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Yaquina
Bay'
YaquinaBay
River
and
andRiver
Material
Dredged
Material
Dredqed
Plan
Disposal
DiSposalPlan
Lincoln
County, Oregon
Oregon
LincolnCounty,
July,
1977
July,1977
Wilsey && Ham
Ham
Wilsey
.''"
#l.lXI
fi'"}'
1S'TT
f
T
RM!4
OT1 cu
fi,O4 *imo
I'i
1;1;..i,l.i'
"*n'
'i?6
part
i n part
r e p o r t was
- w a financed
sf i n a n c e din
The
t h i s report
p r e p a r a t i o nof
o f this
T
h epreparation
the
the
under
Gr
ant
Development
through
a
Program
Development
Grant
under
P
ro
gr
am
th ro l g h 'a
adm jnister ed
1972,administered
of 1972,
Act of
Coastal
Act
Management
Z o n eManagement
C o a sti l Zone
of the
the
Management
Zone
by
the
Office
of
Coastal
Zone
Management
Coastal
by the 0ffice
",'.
j on. .,..
L.l,*
Adm
n'
j
istr
at
Atm
ospher
ic
National
Oceanic
and
Atmospheric
Administration
c and
N i ti o n a t Oce ani
"
O q7 i't
i,,i
^" i.
It
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HII
El
El
TABLT
TABLE OF
OFCONTENTS
CONTENTS
Section
SectionII
I NTRODUCTI
INTRODUCTION
ON
1
S e c t i o nIIII
Section
DRTDGING
DREDGING
METHODS
&& CONSTRAINTS
METHODS
CONSTRAINTS
3
3
Section
S e c t i o nIIII
II
DREDGING
DREDGING
NEEDS
&& OPTIONS
NEEDS
OPTIONS
7
RIVER
SEGMENT
1I
RIVER
SEGMENT
21
RIVER
SEGMENT
22
RIVER
SEGM ENT
43
43
RIVER
SEGMENT
33
RIVER
SEGM ENT
59
59
RIVER
SEGMENT
4
RIVER
SEGM ENT
4
71
RIVTR
RIVER
SEGMENT
S E G M E55N T
81
8t
RIVER
RIVER
SEGMENT
66
SEGM ENT
89
89
RIVER
SEGMENT
77
RIVER
SEGM ENT
99
99
I
7
21
71
.I09
Section
S e c t i o nIIVV
D I S P O S GUIDELINES
A LU I D E L I N E S
DISPOSAL
G
Section
V
SectionV
IMPLEMENTATI
IMPLEMENTATION
ON
t113
't3
Section
S e c t i o nVI
VI
FUTURE
FUTURE
CONSIDERATIONS
CONSIDERATIONS
l119
t9
Section
VII
S e c t i o nV
II
APPENDIX
AGENCY
APPENDIX
&& AGENCY
RESPONSE
RESPONSE
109
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It
T
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Section
SectionII
Introduction
lntroduction
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INTRODUCTION
SECTION
II .- INTRODUCTION
SECTION
The
The Problem
Problem
' im por tanttransportation
pr ovidedimportant
Oregon's
waterways
0 r e g on 'scoastal
co a sta l w
a te rw a y have
shaveprovided
link ages
tr anspor tation linkages
ssince
i n c e tthe
h e first
f i r s t human
almost
h u m a habitation
n a b i t a t i o nof
P a c i f i c Northwest.
h
o f the
t h e Pacific
N o r t h w e s t . IIn
n a
lmost
pr opor tion to
a l l cases,
all
off the
waterways
has
in dir
direct
c a se s, the
th e use
u se o
has expanded
to
th e water
ways
expanded
ect proportion
t h e increased
i ncre a se deconomic
the
e co n o miactivity
ca ctivity in
in the
the towns
townsalong
alongthe
and
the coastal
coasta'bays
lbaysand
g ro w thin
rivers.
r i v e r s. T
This
i n navigational
demand has
use of
of
h i s growth
n a vigational demand
has rresulted
esulted in
in the
the use
l a r g e r barges
b a rg e sa
an
larger
and
which
often require
deeper water
water depths
depths than
than c
can
n d ships
sh i p s w
r equir e deeper
h ich often
be
accommodated
by
be a
c co mmo d a te
b ydthe
th e natural
baychannels.
channe' ls. In
to
n a tur al river
r iver and
andbay
In order
or der to
( the rremoval
al s
allow
access
vessels,
dredging
of bottom
materials
allow a
cce ssfor
fo r these
th e se ve
edging(the
em ovalof
bottommateri
ssels, dr
from
f r o m below
be l o wthe
th e water
in many
manyof
w a te r surface)
su rfa ce)has
hasoccurred
occur r edin
of Oregon's
Or egon' waterways.
swater way s .
both
By
and deepening
deepening the rriver
channel, both
By removing
r e mo vi n gbottom
b o tto msediments
iver channel,
se d i me ntsand
and
recreational
vessels can
can gain
gain access
access to the ocean,
ocean, upr
upriver
iv er
ccommercial
o m m e rci aa
l n d re
cre a ti o n al vessels
ports a
ports
and
riverside
docks,
moorages
and mar
marinas,
thus enhancing
enhancing the
the
n d ri
ve rsi d e d
o cks, moor
ages
and
inas,thus
' land
useability
and
the adjacent
adjacentland areas.
u
s e a bi l i ty of
o f both
b o th the
th e waterway
andthe
ar eas.
w a ter way
is
oceanis
The
T h e stream
tra n sp o rt of
o f sediments
fr om the
the upland
uplandareas
to the
the ocean
s tre a mtransport
se dim entsfrom
ar eas to
p
art o
g
e
o
l
o
gic
pr
ocesses
part
off th
the
natural
geologic
processes
are
occurring
along
Oregon's
n
a
tu
ra
l
that
ar
e
a'
long
0r
egon's
e
occur r ing
coast.
c o a s t . As
downstr eam,
a
A s these
th e se sediments
se d i me n tsare
ar e transported
tr anspor teddownstream,
a significant
significant
p o r t i o n of
b a y s nand
and
portion
within
moving
t h e mare
a r e deposited
d e p o s i t e dw
o v i n gbays,
o f them
i t h i n river
r i v e r shoals,
s h o a ' l s ,slow
s l o wm
ocean
entrance
channels.
Therefore,
the
depths
of
many
of
the
navigation
o c e a ne n tra n cech a n n e l s.T her efor e,the depths m any the navigat i on
n a t u r a l deposition,
and
routes
a r e constantly
c o n s t a n t l ylessened
a s aa result
r e s u l t of
o f natural
d e p o s i t i o n ,and
r o u t e s are
l e s s e n e das
d r e d g i n gmu
st occur
o ccu r at
a t regular
dredging
must
maintain
these
re g ular intervals
inter vals in order
or der to m
aintain these
navigational
n a v i g a ti o n a ldepths.
d e p th s.
p a r a 1 1 e those
Navigational
tl r e n d s in
i n Yaquina
c l o s e l y parallel
t1h o s e
N a v i g a t i o n atrends
Y a q u i n aBay
B a yand
a n d River
R i v e r closely
As
the
area
has
become
an
fo r the
outlined
o u t l i ne d for
th e Oregon
C o astas
as aa whole.
whole. As the ar ea has become
an
Ore g o nCoast
eas i ng
center
for
commercial
and rrecreation,
increasing
iimportant
m p o r ta n tce
n te r fo
r iindustry,
er cialfishing and
ecr eation, incr
n d u str y, comm
p l a ce don
Within the
demands
system . l^lithin
the bay
bay and
and
d e m a n dhave
hsa vebeen
b e e nplaced
the navigation
navigationsystem.
o n the
p u b l i c and
p r i v a t e investments
n a v i g a t i o n a limprovements
river,
r i v e r , both
a n d private
i n v e s t m e n tin
isn navigational
improvements
b o t h public
people
goodsand
have
made
movement
of goods
the m
ovement
and people
h a v ebeen
b e e nma
d ein
i n order
o rd e r to facilitate
facilitate the
public navigation
between
upriver
areas
and
ocean. M
Major
im pr ovem ents
ajor public
navigationimprovements
b e t w ee nu
p ri ve r a
re a s a
n d the
the ocean.
outh,aa
have
construction
an entr
entrance
mouth,
i n cl u d e d the
ancechannel
channelat the
the m
h a v eincluded
th e co
n stru ctionof an
h a n n e l ,e
through
McLean
and
ann upriver
extending
b a s i n near
nearM
c l e a nPoint
n da
u p r i v e r cchannel,
x t e n d i n gthrough
tturning
u r n i n g basin
Point a
p u b l i c port
p o r t districts
have
Toledo.
i n both
b o t h Newport
N e w p o rand
T o l e d ohave
T o l e d o . The
T h epublic
d i s t r i c t s in
at n dToledo
moorage
and the
is
cumently
o ra g efacilities
fa ci l 'i ti es and
the Port
Por t of Newport
Newpor is
t currently
cconstructed
o n s t ru cte dmo
i n the
t h e lower
lower
implementing
off a large
marina
r e c r e a t i o n a lm
a r i n ain
i m p l e m e n t i ncconstruction
go n s t r u c t i o no
l a r g e recreational
p, r i v a t e businesses
p u b l i c investments,
hs a v e
b u s i n e s s ehave
addition
t o these
i n v e s t m e n t sprivate
bay.
b a y . In
In a
d d i t i o n to
t h e s e public
b a r g eloading
loading
also
navigational
i tnsc l u d i n g the
t h e barge
a v i g a t i o n a fimprovements
i m p r o v e m e nincluding
a
' l s occonstructed
o n s t r u c t e dn
pr ivate
operated
Terminals,
and the
the variety
of private
b y Newport
var iety of
ffacility
a c i l i ty o
p e ra te dby
N e w p orTer
t m inals,and
t h e river.
rjver.
commercial
a r e scattered
s c a t t e r e dalong
a l o n gthe
aln drecreational
r e c r e a t i o n a lmarinas
m a r i n a swhich
w h i c hare
c o m m e r c i aand
The
a n dthe
t h e anticipated
a n t i c i p a t e dconstruction
construction
c o n t i n u e duse
o f these
f a c ' i l i t j e s , and
T h econtinued
u s e of
t h e s efacilities,
b a y and
and
of
d r e d g i n gof
o f the
t h e bay
n a v i g a t i o nfacilities,
f a c i l i t ' i e s , requires
r e q u i r e scontinued
c o n t i n u e ddredging
o f new
n e wnavigation
river
r i v e r to
t o allow
a l l o w vessel
v e s s e laccess.
access.
jt is
is
Before
dr edgedfrom
fr om the
the bay
bay and
and river,
r iver , it
ca n be
be dredged
B e f o r ebottom
b o tto msediments
se d i me n tscan
placed.
necessary
thosematerials
m ater ialscan
beplaced.
n e c e ssa ryto
to locate
l o ca te areas
a re a supon
canbe
uponwhich
whichthose
p l a c e don
H i s t o r i c a l l y , Yaquina
Y a q u i n aBay
d r e d g e dmaterial
m a t e r i a l have
Historically,
B a yand
a n d River
R i v e r dredged
b e e nplaced
h a v ebeen
on
I
I
I
I
I
I
1
I
I
I
I
1
I
I
location
the location
on the
dependingon
sites depending
disposal sites
land disposal
and land
combination of
of ocean
oceanand
a combination
sediments
the
of
composition
of
to be
be dredged
dredged and
and the
the composition of the sediments to
to
of the materials to
and
YaquinaBay
the mouth
mouth.of
In
general,
sediments
between
of Yaquina
be removed.
removed. In general, sedimentsbetweenthe
be
.Bayand
disposal'
McLean
the ocean
ocean for
for deep
deep water
water disposal,
to the
iransported to
beentransported
hav6 been
Point have
McleanPoint
placed
placed
been
have
the
river
of
while
materials
dredged
from
the
remainder
of
the
river
have
been
remainder
whiia materials dredgedfrom'the
entrance
and
bay.
the
Dredged
materials
from
the
bay
and
entrance
from
areas. Dredgedmaterials
the upriver
uprivir areas.
on
in the
on land
land in
lower
lower
in
the
areas
land
newland areas in the
channel
were also
major new
to construct
construct-major
alsb used
used to
channelwere
and
bay inctuaing
including Mclean
McLean Point and
and much
much of-the
of the 0regon
Oregon State
State University
University and
UiV
property at
Beach.
SouthBeach.
at South
Port
Newportproperty
Port of Newport
constraints
Due to
to a range
range of
of environmental,
environmental, engineering
engineering and
and topographic
topographic constraints
Due
placed are
are
yaquiia
be.
mal'
materials
dredgedmaterials may be placed
uponwhich
within
which dredged
Bay, sites upon
witt'tn Yaquina Bay,
bayan
d
the
bay
and
the
within
to continue
continuewithin
ye t, if
is to
in
i f navigation
havigationis
su p p l yl yet,
l i m i te ci supply;
i n limited
activities
edgi!g_activities
sufficient
sites
must
be identified
so that
that dr
dredging
identified so
st berriver,
i v e r , su
ffi ci b n i -si
te i mu
m ainfor mainis responsible
r esponsiblefor
of Engineers
Engineer sis
th e Corps
Cor psof
A l th o u g hthe
m a ycontinue.
c on ti n u e . Although
may
they
channel,
they
channel,
tenance
of the entranie
entrance channe'|,
channel, turning
turning basin
basin and
and river
river
teiranceof
local
local
the
after the
dredgingonly
only after
will
dredging
performthe
maintenance
the scheduled
scheduledmaintenance
will perform
material
for dredged
iites for
necessarysites
port
districts have
obtained the
dredged material
the necessary
port bistricts
have obtained
adequate
locate adequate
also locate
mustalso
p o rts of
Toledo
Toledomust
and
N e wporand
t
o f Newport
T h eports
idisposal.
i s p o s a l . The
existi ng
their existing
fr om their
edgedfrom
p i a ce me no
tf m
that ar
ater ials that
sites
of
materials
aree dr
dredged
fo r the
th e placement
s i t b s for
the
pr oiects. In
por t projects.
addition, the
In addition,
a nynew
newport
a s any
moorage
w e l l as
a re a s, as
a s well
m
o o r a g areas,
e
along
sites along
bar g_e
industr ial barge
andindustrial
private
marinas
and
sites
p r i v i i e businesses
mar inls
b u si n 6 sse operating
so p e ra ti ngdr
edged
dredged
the
of the
disposal of
for disposal
sites for
the
must
a l so-locate
locate sites
i t also
ri ve r mu
a n d river
l f r e bay
O ayand
facilities.
of those
thosefacilities.
g e n e ra te dby
maintenance
materials
of
th e maintenance
b y the
m
a t e r i l l s generated
judged suitable for
for
be judged
to be
area to
in-water area
land or
or in-water
In
order for
for either
either aa land
In order
environof.envir
onmeetaa wide
wi!e range
it must
mustmeet
the
materials,
ter ials, it
d re d g e dma
o f dredged
d i sp o sa l of
t h e disposal
lqlg- gof
in difficulty in
of the
the difficulty
Because
cr iter ia. Because
mental,
engineering
co st criteria.
i n d cost
m e n t i t,'e
n g i n e e ri n gand
disposal
mater ial disposal
dr edged
acceptabledredged
material
cri ter ian acceptable
i h e se criteria,
o f these
isatisfying
a t i s t yi n g -aall
l l of
and
Bay and
sites ire-considered
are considered to be
resource. Along
Along Yaquina
Yaquina Bay
be a scarce
scarce resource.
sites
land
flat
land
f'
lat
of
am
ount
lim
ited
the
River
this
is
particularly
true
due
to
the
limited
amount
of
p
a
rti
cu
l
a
rl
y
due
to
tr
ue
i
s
th
i
s
River
i ty
of the potential.scarc
potential scarcity
ecognition of
th e shoreline.
sh o i eline. In rrecognition
to the
aOj i ce n t'to
iareas
r e i s adjacent
(
thr
ough
(through
0r
egon
of
the
State
sites,
of
suitable
dredged
material
disposal
sites,
the
State
of
Oregon
disposal
ma
te
ri
al
d
re
d
g
e
d
i
u
i
ta
6
l
e
of
planning
( thr oughits
its comprehensive
com pr ehensivepl anni ng
g o a l i ) and
County(through
its
a n a Lincoln
L i n coln County
c oa sta l goals)
i t s coastal
be
will be
whichwill
areaswhich
to identify
identify areas
process)
this
repolt to
this report
p"oceisl have
comirissioned
frav6commissioned
In
addition
years.
In
addition
20
next
the
adequate
to
meet
the
disposal
needs
for
for
the
next
20
years.
needs
disposal
the
meet
to
iAequat6
and
and
envir onmental
eet the
the
selection
off si
sites
which m
meet
the established
established environmental
te i which
l e cti o n o
tto
o d
n e se
also
p
l
q
n
.
m
u
s
t
.
a
l
s
o
d
i
s
p
o
s
a
l
m
a
t
e
r
i
a
l
engineering
criteria,
this
dredged
material
disposal
plan
must
d
r
e
d
g
e
d
t
h
i
s
e n g i n e e r i n gc r i t e r i a ,
as
sites
as
the
gover
ning
of
use
p
rocedur
es
the
outline
the
policies
and
procedures
governing
the
use
of
the
p
o
l
i
ci
e
s-a
n
d
o u l t t n e th 6
plan implementation.
p ro g ram
implementation.
for plan
well
for
to outline
o u tl i n e aa program
a s to
w
e l l as
have
bee n
havebeen
Resour ces
CoastalResources
for Coastal
Statewide
Guidelinesfor
a ndGuidelines
Go a l sand
P l a n n i n gGoals
St a t e w i d ePlanning
Commission
and
and
Comm ission
Developm ent
and Development
Conser vation
adopted
and
L a n dConservation
0 r6 g o nLand
b y the
th e Oregon
i A o p i .a by
(
G
o
a #16)
l# 1 6 )
G
o
a
l
The
Estuarine
Resources
Goal
(Goal
R
e
s
o
u
r
c
e
s
E
s
t
u
a
r
i
n
e
T
h
e
1
,
1
9
7
7
.
became
effective
January
1,
1977.
J
i
n
r
u
w
b e c a meef f e c t i u .
programs
management
programs
management
preparecomprehensive
comprehensive
govbrnments
requires that local
prepare
local governments
requires
economic
econom
ic
envir
onmenta'
I,
unique
the
aimed
at
protecting
and
maintaining
the
unique
environmental,
p
ro
te
cti
n
g
ma
intaining
i
n
d
a i n i e da t
In
addition,
I
n
a
d
d
i
t
i
o
n'
wetlands.
w
e
t
l
a
n
d
s
.
a
s
s
o
c
i
a
t
e
d
i
n
d
e
s
t
u
a
r
y
and
social
values
of
each
estuary
and
associated
e
a
c
h
o
f
v
a
l
u
e
s
andsociai
government
and
gover
nment
and
"Local
goal
states:
"Local
Implementation
Requirement
#5
of
the
goal
states:
the
#5
R
e
q
u
i
re
me
nt
i *p f e * .n i a ti o n
includi
including
com pr ehensive_pr
ogr am
s., ng
devejopcomprehensive
shall
state
develop
programs,
fe d e ra 'lagencies
'a g e n ci eshall
s
a n d federal
s t h t e and
of
dredged
d
r
e
d
g
e materials."
dm a t e r i a l s - "
s
t
o
c
k
p
i
l
i
n
g
o
f
a
h
d
a
i
s
p
o
i
a
l
t
o
r
specific
sites
and
procedures
for
disposal
and
stockpiling
u
n
a
p
r
o
i
e
J
r
"
.
i
s
i
t
e
s
ip..itic
been
River
has
been
River
.has
Bay
and
p'
lan
for
.Yaquina
This
dredged
material
disposal
plan
for
Yaquina
Bay
and
d
i
sp
osal
t i r i s dre a g e dma te ri a l
its comprehensive
com prehens i v e
r evise its
to revise
effor ts to
p o rti o n of
County' sefforts
prepared
L i ncolh County's
p i e p a re das
o f Lincoln
i s aa portion
pr
ovisions
provisions
plan
the
under
m
anagement
p
re
p
a
re
plan
and
to
prepare
an
estuarine
management
plan
under
the
e
stuar
ine
a
n
i l t a h an a to
contained
i n Goal
G o a l#16.
#16.
c o n t a i n e din
t
I
t
I
l1
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I
II
I....
I
Li
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Section
SectionIIll
Dredging
DredgingMethods
Methods
and Constraints
and
Constraints
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CONSTRAINTS
ME
ANDCONSTRAINTS
SECTION
II
METHODS
AND
D R E D GIN
G THODS
II -. DREDGING
SE C T ION
Dredging
Technology
D r e d g i n gT
e ch n o l o g y
H i s t o r i c a l l y , the
Historically,
t h e use
d r e d g i n gequipment
u s e of
o f dredging
e q u i p m e nhas
ht a s been
b e e nrequired
r e q u i r e din
i n Yaquina
Yaquina
Ba yand
Bay
entrance,
channel,
river
a n d River
R i ve r to
to remove
re mo vesediment
sedim entfrom
fr om the
the bay
bay entr ance, channe' |,r iver
sshoal
h o al a
re a s, aand
n d oother
reas such
areas,
areas
such as
as ship
ship or bar
barge
berths
and boat
boat
th e r a
ge ber
ths and
b
a s i n s . The
basins.
T h em
e t h o d used
su s e din
i n bay
b a y and
methods
1950
include
use
a n d river
r i v e r since
1
9
5
0
since
i n c l u d e u s e of
hopper
o f hopper
(
c
1
a
m
s
h
e
1
1
)
d r e d g e s pipeline
,p i p e l i n e dredges
dredges,
and
bucket
(clamshell)
equipment.
d r e d g e sa n d b u c k e t
equipment
S e l e c t i o nof
o f such
s u c hequipment
e q u i p m e ndepends
Selection
dt e p e n d upon
u
s p o neconomics,
e c o n o m i c swhich
w, h i c hin
i n turn
t u r n is
is
d e t e r m i n e by
d
q u a n t i t i e s and
b y the
t h e quantities
determined
characteristics
of
the
dredged
material,
a n d c h a r a c t e r i s t i c so f t h e d r e d g e dm
aterial,
c h a n n e restrictions,
lr e s t r i c t i o n s , w
plr o t e c t i o n , shape
e a t h e r ,environmental
e n v i r o n m e n t aprotection,
channel
weather,
s h a p eof
o f the
the
d
r
e
d
g
i
n
g
s i t e and
a n dthe
dredging site
t h e availability
a v a i l a b i l i t y and
a n dlocation
l o c a t i o nof
d i s p o s aareas.
la r e a s . Each
o f disposal
Each
type o
production
type
off dredge
d r e d g ehas
h a s characteristic
c h a r a c t e r i s t ' i cefficiencies
e f f i c i e n c i e s of
o f operation,
o p e r a t i o n ,production
and
a n d cost
c o s t under
u n d e rspecific
situat'ions.
s p e cfi i c situations.
I n tthe
In
development
he d
e ve l o p me nof
b o th short-range
shor t- r angeand
disposal
otf both
andlong-range
long- r angedredged
dr edgeddisposal
p l a n s , costs
p r o d u c t i v i t y and
plans,
dredging
are
c o s t s of
o f d r e d g i n ga r e very
d e p e n d e nupon
v e r y dependent
utp o nproductivity
a n ddisposal
disposal
p re p a ra ti o n . Further
site
s i t e preparation.
developm ent
F u rth e r development
or
in
or advances
in dredging
advances
dr edgingtechnology
techno l ogy
p l a n selection
c o u ' l dalso
could
a l s o have
h a v esignificant
onn plan
s i g n i f i c a n t iimpact
m p a c to
However,
s e l e c t i o nand
a n dcost.
c o s t . However,
ccurrent
u r r e n t dredging
d r e d g i n gmethods
m e t h o dand
a
s n d anticipated
a n t i c i p a t e dmethods
i n this
this
m e t h o didentified
s' i d e n t ' i f i e din
r e p o r t for
report
fo r use
u se in
i n the
n e xt 15-20
l5- 20 year
yearss must
th e next
mustbe
basedon
technol ogy .
be based
on current
cur r ent technology.
p re se n te dthroughout
C o s t s presented
Costs
th ro u g h o utthe
the discussion
djscussionare
ar e for relative
r elative comparison
compar ison
p r e l i m i n a r yengineering
a n dare
a r e not
n o t intended
i n t e n d e dto
b epreliminary
and
t o be
e n g ' i n e e r j nestimates
egs t i m a t efor
sf o r actual
actual
w o r k . Reasonable
R e a so n a b lassumptions
work.
aessu mp tions
as
as to
to costs
costs are
ar e defined
definedunder
the section
section
underthe
on
o n Unit
U n i t Cost
C o s tCriteria.
Criteria.
M o s tdredging
d r e d g i n gwork
Most
w o r kin
i n Yaquina
Y a q u i n aBay
i s accomplished
a c c o m p l i s h eby
bdy one
t h r e e methods:
B a yis
o f three
methods:
o n eof
p i p e fi n edredging.
cclamshell
l a m s h e l Ior
o r bucket
b u c k e tdredging,
d r e d g i n g hopper
,h o p p edredging
rd r e d g i n gor
o r pipeline
dredg'ing.
M a i n t e n a n cdredging
der e d g i n gin
g e n e r a l ' l ycompleted
i n the
t h e lower
Maintenance
l o w e rbay
b a yis
i s generally
completed
p i p e l i n e dredges
b y hopper
by
h o p p e ro
orr bucket
b u c k e td
dredge,
r e d g e ,w
while
h y d r a u ' l i cpipeline
u s e din
h i l e hydraulic
d r e d g e sare
a r e used
in
tthe
h e upper
ri ve r channel.
Any of the
methods m
may
used
u p p e rriver
thr ee methods
ch a n n e l . Any
the three
aybe
be commonly
com m only
us ed
particular
ffor
or n
new
depending
e wcconstruction
o n s t r u c t i o nd
e p e n d i n upon
g p o nthe
u
t h e constraints
c o n s t r a i n t sof
o f the
t h e particular
' is completed
p
r o j ect. Most
p ri vate marina
project.
Mo stof
dr edgingis
th e private
and industrial
com pl eted
o f the
mar inaand
industr ial dredging
b y bucket
by
b ucke tdredges.
d re d g e s.
( C l a m s h e l lDredge
)D r e d g e
Bucket
u c k e t(Clamshell)
r B
T h ebucket
b u c k e tdredge
d r e d g eis
The
i s well
w e l l suited
s u i t e d to
t o working
w o r k i n gin
' i nconfined
c o n f i n e dareas,
a n dis
a r e a s ,and
i s therethereffore
ore u
used
most
off the
marinas
s e din
in m
o s to
t h e small
s m a l l boat
boatm
a r i n a sand
n a r r o wchannels
a l o n gYaquina
Yaquina
a n d narrow
c h a n n e l salong
B
a yand
quality
Bay
a n dRiver.
R i v e r . Bucket
d r e d g e soperate
B u c k e tdredges
e f f i c i e n t l y and
o p e r a t eefficiently
a n d minimize
m i n i m j z ewater
w a t e r quality
p
r o b l e msa
long a
d redgedmater
problems
ass long
ass the
materials
to
th e dredged
to heavy
heav y
ials are
ar e firm
fjr m and
and of medium
medium
g r a i n size.
q u a n t i t i e s , and
grain
s i z e . They
T h e yare
a r e most
m o s teconomical
e c o n o m i c awhen
wl h e ndredging
d r e d g i n gsmall
s m a 1 quantities,
1
and
qu a n ti ti e s exceed
yar ds, other
gener a'l 1y
w h e nquantities
when
are
e xce e dseveral
se v er al thousand
thousandcubic
m ethods
ar e generally
cubic yards,
other methods
more
m
o r eeconomical.
eco n o mi ca l .
placedon
W h e nusing
usi n g bucket
b u cke tdredges,
d re d g e s,dredged
When
dr edgedmaterial
mater ial can
e' ither be
dum p
can either
be placed
on dump
b a r g e so
irectly o
barges
orr d
directly
onto
t r u c k s , if
i f the
t h e dredge
d r e d g eis
i s operating
to
n t o trucks,
o p e r a t i n gclose
c l o s e to
sshore.
h o r e . Both
B o t hof
o f these
t h e s etechniques
t e c h n i q u e constitute
sc o n s t f t u t e'rehandling"
t h e material,
material,
" r e h a n d l i n g of
"o f the
b
ut d
l l o w ttransportation
r a n s p o r t a t i o no
but
doo a
allow
off the
materials
d r e d g e dm
t h e dredged
a t e r i a l sto
t o disposal
d i s p o s a lsites
s'ites
s o m edistance
d i s t a n c efrom
some
f r o mthe
t h e dredging
d r e d g i n glocation.
location.
avel or
e n er ally utilized
Bucket
dredges
are
also
generally
utilized for
for digging
digging in
gravel
Bu
c k e tdre
d g e sa
in gr
re a
l so g
The available
available sizes
for
debr is. The
sizes for
rock,
fo r the
th e removal
re mo va of
lo f stumps
stumpsand
anddebris.
r o c k , and
a n d for
yards.
bucket
dredges range
bucket dredges
from capacities
18 cubic
range from
capacities of
of 22 to
to 18
cubic yards.
Hopper Dredge
Dredge
r Hopper
d re d g eis
A
vessel
A hopper
h o p p e rdredge
i s aa self-contained
se l f-co ntainedocean-going
ocean- going
that is
is designed
designed
vessel that
hydraulic dredging
dredgingand
for both
for
the transport
transport of
both hydraulic
and the
of the
the dredged
dredgedmaterial
material
area.
tto
o a dumping
d u mp i n g
re d g i n gis
Dredging
while
a re a . D
is accomplished
accom plished
vesselis
while the
the vessel
is in
in
placedon
m o t i o nand
an d dredged
d re d g e dmaterials
ma te ri a l s are
motion
ar e placed
the hopper
hopperdredge
the
on the
dr edgeuntil
until the
(genhoppersare
hoppers
are filled
filled and
the dredge
dredgeis
is moved
to another
and the
movedto
anotherwater
area(genwaterarea
erally
e r a l ' l y in
i n the
t h e open
o p e nocean)
o c e a n )for
f o r disposal.
d i s p o s a l . Dredging
D r e d g i n gis
i s accomplished
td
hrough
a c c o m p l i s h ethrough
p i p e s which
bottom
ssuction
u c t i o n pipes
a re lowered
l o w er edto
Hopper
w h i chare
to "vacuum"
bottommaterials.
m ater ials. Hopper
"vacuum"
dredgescan
can operate
dredges
operate where
whererough
roughwater
water would
would make
makeother
other methods
methodsof dreddredg
i n g impractical.
ging
impractical.
im ar ily for
In
Yaquina
Bay,
dredges
are
used pr
primarily
maintenance
dredging
I n Ya
q u i n aB
a y, hopper
h o p p e rd
re d gesar
e used
dr
edg i ng
for m
aintenance
b a r and
of
to
Point.
o f the
t h e bar
a n dinner
The sandy
i n n e r channel
ch a n n eupstream
lupstr eam
to McLean
M clean
Point. The
sandymaterial
m ateri al
d r e d g e din
i n those
th o se locations
dredged
l o ca ti o n s is
i s hauled
hauleddirectly
dir ectly to
to an
an offshore
offshor e open
openocean
ocean
disposal
d i s p o s a lsite.
si te . D
Due
u eto w
weather
and bar
conditions, hopper
dredging
e a therand
bar conditions,
hopperdr
is
edgingis
g e n e r a l l y scheduled
d u ri n g the
sch e d u l e d
m onthsof
generally
during
the months
of April
Apr il through
thr oughSeptember.
September .
Pipeline
i p e l i n e Dredge
Dredge
r P
p i p el i n e dredging
pum pwhich
T h e pipeline
d re d g i n gmethod
me th o dconsists
lar ge centrifugal
The
consists of aa large
centr ifugal pump
which
pipeline
is
mounted
onn a
is m
o u nte do
a specially
d e signedbarge.
bar ge. The
The lower
end of the
sp e ci a l l y designed
lower end
the pipeline
is
with
revolving
cutterhead
materials
i s eequipped
vo l vi n g cutter
q u ip p e dw
i th a re
bottomm
headthat breaks
br eaksup
up the
the bottom
ateri al s
pipe. The
so they
so
they can
can be
be drawn
drawninto
into the
The cutterhead
the suction
suction pipe.
is lowered
cutterhead is
lowered
bottomon
on a large
extends forward
to the bottom
large hinged
hinged ladder
ladder that extends
forward from
from the
the
front,
front, or bow,
The cutterhead
cutterhead depth
bow, of the
barge. The
depth can
by
the barge.
be controlled by
can be
c a b l e s attached
cables
atta ch e dto
th e ladders.
l a d d er s. The
The pipeline,
pipeline, which
which extends
to the
fr om the
extendsfrom
the
e d g eof
th e barge
b a rg eto
th e shore
edge
o f the
to the
sh or eor
or to
in- water disposal,
disposa' |,
to an
an area
ar ea of
of in-water
p o n to o n s.
ffloats
l o a t s on
o n pontoons.
p i p e l i n e dredge
p o s i t i o n during
T h epipeline
d r e d g eis
i s held
h e l d in
The
i n position
d u r i n g dredging
d r e d g i n gby
b y anchors,
anchors,
pudsar
l i n e s, and
a n dspuds.
(Spuds
are
long heavy
heavy shafts
shafts that ar
are
hung fr
from
sswing
w i n glines,
sp u d s. (S
e long
om
e hung
m a s t snear
masts
n e a r each
e a chcorner
co rn e r of
o f the
th e stern
dr edges
ster n of the
the dredge).
dr edge) . Pipeline
Pipeline dredges
g e n e r a l l yare
a r e identified
i d e n t i f i e d by
d i a m e t e rof
are
b y the
t h e diameter
o f the
t h e discharge
d i s c h a r g eline
' l i n eand
a n dgenerally
are
pipeline
a v a i l a b l efrom
available
f r o m88 to
3 0 inch
The
advantages
of
t o 30
i n c h sizes.
sizes. T
h e cchief
d v a n t a g eo
sf pipeline
hief a
d r e d g euse
dredge
useinclude:
i n cl u d e : 1)
l ) mo
movement
material
vement
lar ge volumes
of large
shor t
volum esof m
ater ial in a short
p
eriodo
pipeline, a
i m e , 22)
) e
a s eo
period
off ttime,
ease
off transport
off tthe
and
t r a n s p o r to
h e pipeline,
3 ) simultaneous
simultaneous
n d 3)
dredging
d r e d g i n gand
a n ddisposal
d i sp o sa loperations.
o p e ra tions. M
ajor limitations
Major
limitations to the
the use
use of
of
p i p e l i n e dredges
pipeline
d r e d g e sare
a r e as
a s follows:
f o l l o w s : 1)
l) d
i s p o s a lareas
disposal
must
be
relatively
a r e a sm u s t b e r e l a t i v e l y
pipeline
c l o s e to
t h e dredging
d r e d g i n goperations
close
t o the
o p e r a t i o n ssince
s i n c e costs
e s c a l a t erapidly
a s pipeline
c o s t s escalate
r a p i d l y as
llength
e n g t h is
i s increased
p i p e l i n e dredges
i n c r e a s e do
i s p o s a la
orr d
disposal
area
elevated,
reae
l e v a t e d ,2)
2 ) pipeline
d r e d g e sare
are
u n a b l eto
to operate
o p e ra tein
unable
i n open
o p e nor
o r rough
r oughwater
logs, large
lar ge
water areas,
3) buried
bur ied logs,
ar eas, 3)
pr esentserious
b
o u l d e rsa
nd d
i sca rd e dw
boulders
and
discarded
wastes,
a stes, such
such as
as cable,
cable, present
obstacles
ser ious obstacles
pipeli ne
t o the
t h e operation
o p e ra ti o nof
to
the
impeller;
and
4)
the
anchoring
th
e
i
mp
eller
;
of
and
andpipeline
the anchor ingcables
cablesand
p
r
e
se
n
t
c
a
n
can present a
a temporary
te mp o ra ryobstruction
to navigation
o b struction to
navigationin
in confined
confinedchannels.
channels .
In -Wa te rDisposal
I In-Water
D i sp o sa l
p u m pto
Pi
p e l i n e dredges
d re d g e snormally
n o rma l l ypump
Pipeline
to confined
confinedland
Recently,
landdisposal
disposalsites.
sites. Recen
tl y ,
h
o w e v er,a
tte n ti o n h
pipeline dredges
a s been
b e e ndir
however,
attention
has
directed
ected toward
the use
towar dthe
use of pipeline
dr edges
f o r in-water
i n - wa te r disposal,
d i sp o sa l , where
w h e rematerial
m ater ial is
for
from
is removed
fr om one
r emoved
section of
the
onesection
of the
p l a ce din
por tion of the
b a y river
r i v e r and
a n d placed
i n another
a n o therportion
bay
bay or
the bay
that is
also
or river
r iver that
is also
placedin
under
u n d e rwater.
ti me s materials
wa te r. Often
0 fte n times
mater ials are
ar e placed
in shoreline
shor elineareas
ar easor
other
or other
I
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sh oalingoccurs
w h e renatural
n a tu ra l shoaling
reaches
r e ach e swhere
occur sor
or where
wher euseful
usefultideland,
tideland,
Imarshland
s i g n i f i c a n t biological
b i o ' l o g i c a habitat
lh a b i t a tcan
m a r s h l a n or
o
d r other
o t h e r significant
c a nbe
b ecreated.
created.
p o s s i b l ein
d i s p o s a lmay
m a ybe
b e possible
i n upper
In-water
I n - w a t e rdisposal
u p p e rYaquina
Y a q u i n Bay
aB a yand
a n dwithin
within
R i v e rup
Yaquina
River
Yaquina
t o river
r i v e n mile
l l . Specific
S p e c i f i c constraints
u p to
m i l e11.
c o n s t r a i n t sto
i t s use
use
t o its
iinclude:
n c l u d e : 1)
1 ) avoidance
d e v e l o p a b loyster
e y s t e rrearing
a v o i d a n c of
eo f existing
e x i s t i n g or
o r developable
o
rearing
a r e a s , 2)
2 ) limiting
l i m i t i n g use
t o disposal
areas,
which
u s e to
d i s p o s a lof
o f sediments
sed'imenw
t sh i c hcan
c a n settle
settle
r a p i d l y , 3)
3 ) timing
rapidly,
which
with
t i m i n g dredging
d r e d g i n gto
t o seasons
seasonw
s h i c hlimit
l i m i t interference
i n t e r f e r e n c ew
ith
fish m
fish
migration,
i g r a t i o n , and
4 ) selection
s e l e c t i o n of
a n d 4)
o f sites
s i t e s based
b a s e don
a q u a t i chabitat
habitat
o n aquatic
needs
n e ed sand
a n driver
ri ve r hydrology.
h yd ro l o gy.
IUnit
U n i t Cost
C o s tCriteria
Criteria
pr oject is
l , l h e nland
land d
i sp o sa l o
d redgedm
When
disposal
off dredged
materials
ater ials from
Feder alproject
is
fr om a Federal
pr epar ethe
r e q u i re d , the
th e sponsor
disposal sites
required,
must prepare
sp o n so rmust
the disposal
sites to contain
the
contain the
p r o t e c tthe
d r e d g e dmaterials
m a t e r i a l sand
dredged
a n dto
t o protect
t h e surrounding
s u r r o u n d i nland
g ' l a nor
w a t e rareas.
areas.
odr water
A l t h o u g hactual
Although
a ctu a l dredging
d re d g i n goperations
oper atjonscan
can vary
due to equipment
equipm ent
var y widely
w' idelydue
h o s t of
availability
a v a i l a b i l i t y and
o f other
f a c t o r s , the
a s s o c i a t e dwith
w i t h site
a n d aa host
o t h e r factors,
t h e costs
c o s t s associated
site
p r e p a ra ti o nand
pr esentedbelow
preparation
d re d g i n goperations
oper ationsare
ar e presented
belowto allow
an
a n d dredging
allow an
economic
e c o n o mi comparison
cco mp a ri soof
n f selected
o
selectedsites.
sites. These
estjm atesare
appr oxi m ate
Theseestimates
ar e approximate
gener ated
pr ojects. All
b a se don
and
on
a n d are
a re based
i n fo rmationgenerated
on other
local projects.
All
o n information
other local
costs
c o s t s are
e s t i m a t e din
1 9 7 7dollars.
a r e estimated
i n 1977
d o l l a r s . The
T h ecost
i t e m s which
w h i c hmust
be
c o s t items
m u s tbe
Iconsidered
c o n s i d e r e dfor
f o r land
l a n d disposal
d i s p o s a lare
follows:
a r e as
a s follows:
r. Land
Land
'is
purchase
p u r p o s eof
so f prepreappraised
event
for
m a r k e value.
tv a l u e . In
v e n t of
o f purchase
f o r purposes
I n tthe
he e
a
p p r a i s e dmarket
p
e
r
dgi s p o s a 'sites,
serving
and
per
acre
is
s e r v i n ga
n d developing
d e v e l o p ' i ndisposal
sl ' i t e s , aa cost
i
s
c o s t of
o f $1,000
a
c
r
e
$l ,000
assumed.
Where
h e r eleased
l a n d is
a
s s u m e d .W
l e a s e dland
i s reclaimed
r e c l a i m e dor
o r enhanced
e n h a n c ethrough
tdh r o u g hfilling,
filling,
j s assumed.
n o significant
no
s i g n i f i c a n t cost
c o s t is
assumed.
IThe
acquisition
off land,
T h ea
cquisitiono
l a n d , rights-of-way,
r i g h t s - o f - w a y ,or
to
o r easements
e a s e m e n tis
s subject
s u b j e c t to
r Clearing
C l e a r i n gand
a n dStripping
Stripping
p re p a ri n ga site
Cost
off preparing
timber,
timber , brush,
and
Costo
si te by
by removing
r em ov' ing
br ush, structures
str uctur es and
g e n e r a lg
r a d i n gis
p
e
r
g
r
o
s
s
Igeneral
grading
assumed
on
the
basis
of
$1,000
per
gross
acre.
a
s
s
u
m
e
d
t
h
e
b
a
s
i
s
a
c
r
e.
is
on
of $1,000
IIf
rl1
andRelocation
r Surface
S u rfa ceDrainage
D ra i n a g eand
Relocat' ion
djverted
disposal
If d
i s p o s a lsites
h a v eupland
u p ) a n dsurface
s u r f a c ewater
w a t e r drainage,
d r a i n a g e ,it
i t must
m u s tbe
b e diverted
s i t e s have
around
means
b e filled
fi l led by
a
r o u n dthe
th e area
a re a to
to be
by m
eansof
of an
openchannel
channelor
or culvert.
culver t.
an open
p e r ]lineal
i n e a l foot
assumed.
Where
work
W
h e r ethis
this w
i s required,
r e q u i r e d , a cost
c o s t of
o f $20.00
f o o t is
i s assumed.
o r k is
$ 2 0 . 0 0per
D i ke Construction
r Dike
C o n stru cti o n
Confined
d i s p o s a 'sites
i n c l u d econstruction
dt ' i k e susing
using
C o n f i n e ddisposal
sl i t e s include
c o n s t r u c t ' i o of
n
o f containment
c o n t a i n m e ndikes
t h a n 2:1
2:l
on-site
m a t e r i a l s ,if
i f suitable.
s u i t a b l e . Typical
T y p i c a ' dikes,
ld i k e s , with
w i t h not
n o t less
l e s s than
o
n - s i t e materials,
p e r lineal
dikes,
slopes,
tdo cost:
c o s t : $4
l i n e a l foot
f o r 5-foot
S - f o o t high
h i g h dikes,
s l o p e s , are
a r e assumed
a s s u m eto
f o o t for
$ 4 per
p e r lineal
p e r lineal
$12
l i n e a l foot
f o r 10-foot;
l 0 - f o o t ; and
a n d $24
l i n e a l foot
f o o t for
f o r 15-foot
lS-foot
f o o t for
$ 2 4per
$ . | 2per
are
assumed
high
off-site
h i g h dikes.
d ' i k e s . If
m u s tbe
b e brought
b r o u g h in,
ti n , costs
costs a
r e assumed
If o
f f - s i t e material
m a t e r i a l must
to
t o be
be approximately
a p p ro xi ma te l yfive
fi ve times
abovecosts.
times the
the above
costs.
R e t u r nFlow
r Return
F l o wPipeline
P j p e li n e
p e rma n e n tl installed
yi n sta 'lI ed discharge
pi pe]i nes are
I i nes are
used, pipelines
ar e
lWhere
^ l he repermanently
di schar gelines
ar e used,
p l acedunder
assumed
a s su meto
to
d be
b u ri e d , placed
r oadsand
extendedto
to deep
deepwater.
water.
b e buried,
underroads
and extended
p e r lineal
Average
A
v e r a g ecost
c o s t installed
i s estimated
a
l i n e a l foot
f o r 18-inch
l8-'inch
i n s t a l l e d is
e s t ' i m a t eat
d t $30
f o o t for
$ 3 0per
p i p e . Outfall
per foot.
pipe.
are
ar e estimated
0 u tfa l l segments
se g me n ts
estimatedat
at $50
foot.
$50per
.
P i p e l i n eDredging
Dredging
r Pipeline
placem entof
p i p e l ine dredge
dr edgeand
Use
material
and placement
of m
ater ia' lon
on
o f aa 121 2 - to 16-inch
l 6 -i n ch pipeline
U s eof
not over
dredge, or
disposal
located not
over 4,000
4,000 feet
feet from
from the
the dredge,
disposal sites that are
are located
per
over
mean
in an
l 0 feet
fe e t above
a nsea
se a level,
l evel, will
will result
r esult in
an estimated
estimatedcost
cost per
a b o veme
o v e r 10
y
a
rd
For
each
additional
1,000
in
distance
10
F
o
r
additional
feet
l0
cubic
yard
of
$2.00.
e
a
ch
I,000
in
distance
or
cubic
o f $ 2 .0 0 .
per
yar
d.
cubic
feet
in
added
elevation,
the
basic
cost
increases
by
$.50
per
cubic
yard.
i
n
a
d
d
e
d
e
l
e
va
ti
o
n
,
th
e
basic
cost
incr
eases
by
feet
$.50
If
dredgedmaterial
be stockpiled,
stockpiled, and
andtrucked
truckedaway
awayat
at aa
If the dredged
material were
wereto
to be
tr anslater
date,
additional
costs
would
be.
incurred
for
reloading
and
transd
a
te
,
be
incur
r
ed
for
r
eloading
and
later
a d d i ti o n a 'lco sts would
p
o r t i n g the
doubling
the
porting
These
costs
could
result
in
a
doubling
of
the
th e material.
T
h
e
se
costs
could
r
esult
in
a
of
ma te ri a l .
p
e
r
y
a
r
d
.
$2.00
cost
per
cubic
yard.
c
o
s
t
cubic
$2.00
Bucket
and
Hauling
u c k e tDredging
Dredging
a n dHauling
r B
The
dredgeand
haul dredged
materials to
to an
an open
open
The cost
cost to
to bucket
bucket dredge
and barge
bargehaul
dredgedmaterials
per
yar
d
isp o sa l site
b e $2.50
ile 00
ocean
disposal
would
Mile
o u l dbe
cubic yard from
fr om River
River M
o
c e a nd
si te w
$2.50 per cubic
hauling,
upstream
Mi l e 3.
3 . For
F or every
ever y additional
additional three
thr ee miles
of hauling,
u
p s t r e a mto
to River
R i ve r Mile
m iles of
per
yar
d.
the
$.90
per
cubic
yard.
cubic
t h e cost
c o s t would
w o u l dincrease
i n cre a seapproximately
a p p roximately
$.90
Mobilization
o b i il z a t i o n
r M
d r e d g i n gcontract
Each
mobilizing of equipment,
Ea c hdredging
re q u i res mobilizing
equipment,transport
and
co n tra ct requires
tr anspor t and
per
miscellaneous
A cost
was
m i s c e l l an e o uadministrative
sa d mi n i stra ti vecosts.
contr act was
costs. A
cost of $20,000
$20,000per contract
assumed.
a
ssumed.
e
Revegetation
r Revegetation
pr oiects in
in
Review
Reviewof
of recent
recent U.S.
U.S. Army
ArmyCorps
of Engineers
Engineer srevegetation
r evegetationprojects
Corpsof
Coos
at
Ba y indicates
i n d i ca te s that
th a t adequate
r evegetationcan
can be
be accomplished
at aa
C o o sBay
a d e q uaterevegetation
accom plished
per acre.
maximum
cost
m a x i m um
o f $50.00
to $75.00
acr e.
co st of
$ 5 0 .0 0to
$ 7 5.00per
[1
II
I
U
I
U
I
I
I
I
11
I
I
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LI
I
I
I
U
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I
I
I
I
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I
I
II
ILI
I
I.'
t
I
t
I
I
I
I
I
I
I
t
I
It
il
lll
Section
SectionUI
Dredging Needs
Dredgittg^Needs
andOptions
and
Options
C
I
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I-
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i
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River Segments
I J l - #r7\i/t
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g
- - - - - - - - - - - - - - - - - - -
I
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ut
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YaquinaBayDredgedMaterialDisposalPlan
t
I
I
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II
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I
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SECTION
IN
I I -- DREDGING
D R E D G INEEDS
NE
GE DAND
S E C T I OIII
N
ASN DOPTIONS
OPTIONS
om the
Although
materials
dredged
from
mouth of Yaquina
Yaquina River
McLean
A
l t h o u g hthe
th e ma
te ri a l s d
redgedfr
the mouth
River to M
c l ean
disposed
Point
of
P o i n t have
h a v ehistorically
h i s t o r i c a l l y been
b e e ndisposed
o f in
i n an
a n open
disposal
o p e nocean
o c e a ndisposal
re d g edm
site,
most
off the
dredged
materials
from
channel ma'
maintenance
s i t e , mo
st o
th e d
ater ials fr
om the rremaining
emainingchannel
in tenanc e
p ro j e cts have
gener altrends
and
n e wprojects
h a vebeen
b e endisposed
disposedof
land. These
a
n d new
of on
on land.
tr end s
Thesegeneral
are
e x p e c t e dto
t o continue,
c o n t i n u e ,resulting
r e s L r ' l t i nin
gi n aa continuing
c o n t i n u i n gneed
a
r e expected
n e e dfor
f o r additional
additional
land
l a n d disposal
d i s p o s a lsites.
and
use
s i t e s . Channel
n d ccost
o s t factors
f a c t o r s ffavor
a v o r the
the u
se
C h a n n ecconditions
l o n d i t i o n sa
p i p e l i n e dredges;
of
o f pipeline
d r e d g e s therefore,
;t h e r e f o r e , land
l a n d disposal
d i s p o s a lsites
s i t e s must
i n close
close
m u s toccur
o c c u rin
p r o x i m i t yto
proximity
d r e d g eareas.
t o the
t h e dredge
a r e a s . Because
B e c a u sof
o
e f this
t h i s close
c l o s erelationship
relationship
between
dredge
sites
and
disposal lsites,
sites, the bay
bay and
and rriver
have been
been
b e t we e nd
re d g esi
te s a
n d djsposa'
iver have
d i v i d e d into
dredging
divided
i n t o aa series
i ,n d i c a t i n g areas
a r e a sin
s e r i e s of
o f segments,
i n which
w h i c hdredging
s e g m e n t sindicating
p r e s e n t i n gthe
will
n e e dto
t o occur
t h e sites
s ' i t e s which
w h i c hwould
w i l l need
o c c u rand
a n dpresenting
b e suitable
w o u l dbe
suitable
p r e s e n t a t i o nallows
disposal
ffor
or d
i s p o s a lof
allows
o f those
t h o s especific
s p e c i f i c materials.
m a t e r i a l s . This
T h i s presentation
pr ovidesaa
dredging
in concert,
concer t, and
n e e d sand
a n d options
o p ti o ns to be
be viewed
viewedin
and provides
d r e dg i n gneeds
the
mechanism
what
b e utilized
a n dw
h a t the
m e c h a n i sfor
fm
o r establishing
s i t e s should
s h o u l dbe
u t i l i z e d and
e s t a b l i s h i n gwhich
w h ' i c hsites
p r i o r i t i e s for
i ts discussed
discussed
priorities
f o r their
b e . Each
E a c hriver
r i v e r segment
t h e i r use
s h o u l dbe.
s e g m e nis
u s eshould
ast a
nd
separately
description
off tthe
past
and
h a p t e rincluding
i n c l u d i n ga d
e s c r i p t i o no
he p
s e p a r a t e l yin
i n this
t h i s cchapter
future
a n a l y s i sof
t h e individual
individual
f u t u r e expected
d r e d g i n grequirements
asn dan
a n analysis
o f the
e x p e c t e ddredging
r e q u i r e m e n tand
t h e river
river
n e e d . Table
T a b l e1I indicates
i n d i c a t e sthe
sites
s i t e s that
t h a t are
a r e available
a v a i l a b l eto
t o meet
m e e tthat
t h a t need.
del'ineations.
c o r r e s p o n d i nriver
m i l e delineations.
segments
s e g m e n tand
asn d their
t h e i r corresponding
rgi v e r mile
TABLE
1I
TABLE
RIVER
BOUNDARIES
SEGMENT
BOUNDARIES
RIVERSEGMENT
Approximate
R
A p p r o x i m a tRiver
ei v e r
Mile
MiI e Segment
Segment
River
R i ve r Segment
S e g me n t
1
I
RM3.0
Entrance
to RM
3.0
Entr anceto
2
2
RM
t o RM
R M5.7
5.7
R M3.0
3 . 0 to
3
3
RM
5 . 7 to
t o RM
R M7.9
R M5.7
7.9
4
4
RM
R M7.9
t o RM
R M9.8
9.8
7 . 9 to
5
RM
t o RM
R M11.7
ll.7
R M9.8
9 . 8 to
6
RM
R M11.7
l l . 7 to
t o RM
R M12.9
7
RM
t o RM
R M14.3
R M12.9 to
.l2.9
.l2.9
.l4.3
categories:
The
within
its broken
b r o k e ninto
i n t o two
t w o major
m a j o rcategories:
d i s c u s s i o nw
i t h i n each
e a c hriver
r i v e r segment
s e g m e nis
T h ediscussion
discussion
l , l i t h j n the
t h e Dredging
N e e d sdiscussion
Dredging
O
D r e d g i n gNeeds
D r e d g i n gNeeds
a n dDredging
D r e d g ' i nOptions.
g p t ' i o n s . Within
N e e d sand
q u a n t i t i e s of
g e o g r a p h ia
c r e a sin
the
areas
o c c u r , quantities
o f materials
materials
i n which
d r e d g i n gwill
w i l ' l occur,
t h e geographic
w h i c hdredging
identified.
a r eidentified.
to
moved,
o f the
t h e materials
m a t e r i a l sare
be m
o v e dand
a, n dthe
t h e basic
b a s i ccharacteristics
c h a r a c t e r i s t i c sof
t o be
7
p r i v a t e dredging
p u b l i c and
d r e d g i n gactivities
Both
B o t hpublic
a n d private
a c t i v i t i e s are
a r e inventoried,
including
i n v e n t o r i e d ,including
both maintenance
maintenance of
of existing
existing projects
projects and
and proposed
proposed construction
construction of
of new
new
both
tion of
re d g i n gooptions
The
portion
of each
each rriver
segment
discussion
ffacilities.
a c i l i t i e s. T
h e ddredging
p ti o ns por
iver segm
entdiscussion
th a t are
a re available
outlines
meet the
and
o u t l i n e s the
th e sites
a vailable to meet
needsand
si te s that
the identified needs
p r o v i d e sthe
i n fo rmationrelative
provides
th e following
fo l l o w i n g information
r elative to
to each
eachsite:
site:
Description
D e s c r i p t i o nof
o f the
t h e Site:
S i t e : The
T h esite
d e s c r i p t i o nincludes
d a t a on
o n the
the
s i t e description
i n c l u d e sdata
h y s i c a la n dbiological
size,
s i z e , location,
l o c a t i o n , lland
a n d uuse,
n d pphysicaland
s e , aand
b i o l o g i c a lcharacteristics
of
c h a r a c t e r i s t i c sof
each
e a c hsite.
site.
Disposal
D i q p o s aUse
l s eof
o f the
t h e Site:
U
S i t e : This
T h i s section
s e c t i o n includes
i n c l u d e saa discussion
of
d i s c u s s i o nof
pr ovide
b o t h the
both
which provide
t h e engineering
en g i n e e ri n gand
a n d environmental
e n vi ronmentalconsiderations
consider ationswhich
g u i d e l i n e sfor
guidelines
fo r the
th e use
u se of
o f the
th e sites.
sites. For
For each
eachsite,
consider ati ons
site, engineering
engineer ingconsiderations
c o n c e r n i n gsite
p r e p a r a t i o n ,ccost
e s i g nccriteria,
concerning
design
s i t e capacity,
c a p a c i t y ,d
r i t e r i a , ' l land
a n d preparation,
estimates
o s t estimates
p o te n ti a l are
p r esented. In addition,
a n d future
f u t u r e use
and
a re presented.
u se potential
addition, the
environmental
envir
onmental
the
e f f e c t s of
effects
o f site
si te use
u se are
a re also
a l so evaluated.
e v aluated
A summary
A
discussion
the
summary
discussion for
for each
eachriver
needs
river segment
segmentcompares
dredgingneeds
compares
the dredging
with
w i t h the
t h e options
o p t i o n sand
a n doutlines
o u t l i n e s the
t h e available
a v a i l a b l ealternative
a l t e r n a t i v e actions.
actions.
A l t h o u g hthe
th e dredging
d re d g i n gneeds
n e e d sand
a n doptions
Although
optionsare
ar e specific
individual
specific to
to each
eachindividual
s e g m e n tma
, n yo
th e issues
i ssu e s a
re applicable
segment,
many
off the
are
applicable to the
the entire
entir e extent
the
extent of the
p a ra g ra p hsdiscuss
al terms
river. T
he following
fo l l o w i n g paragraphs
river.
The
discuss in
general
in gener
ter ms some
the
someof the
i s s u e sw
b e addressed
a d d r e s s erepeatedly
issues
which
h i c hwill
w i l l be
rde p e a t e d l yin
i n the
t h e site
analysis.
s i t e specific
s p e c i f i canalysis.
Gen.eral
General Dredging
DredgingRequirements
Requirements
q u a n ti ti e s of
gener atedfrom
d re d g e dmaterials
T h equantities
The
of authorized
o f dredged
ma ter ials generated
fr om maintenance
maintenance
author i z ed
d e p t h sfor
f o r the
th e entrance
ch a n n el,turning
depths
navigation
e n tra n cechannel,
tur ning basin,
navigation
basin, and
and lower
lower bay
bay
( in n e r channel)
c h a n n e l(inner
e xce e d,by
channel
needs.
ch a n n e l )exceed,
by far,
far , any
dr y other
needs.
othermaintenance
maintenance
D
r e d g i n gat
at the
th e entrance
e n tra n ceof
o f Yaquina
Y aquinaBay
Dredging
Bayis
is required
r equir edon
basis.
on an
anannual
annualbasis.
The necessary
necessaryfrequency
dredgingand
The
to
be
frequencyof
of dredging
be
and the
the amount
amountof material
to
material
rremoved
e m o v e dis
e p e n d e nu
t p o nthe
dependent
upon
from
ocean cur
current
is d
th e shoaling
shoaling rrate
ate rresulting
esulting fr
om ocean
r ent
p
a t t e r n s . Tidal
patterns.
fr eshwaterstream
T i d a l currents
a n dfreshwater
cu rre n ts and
str eamflow
flow are
ar e additional
additional
year .
yearto
d e t e r m i n a n ts
determinants
in
i n the
th e specific
sp e ci fi c location
l ocation of
fr omyear
of shoals
shoalsfrom
to year.
D
r e d g i n gin
a n the
basin
Dredging
areas
other
than
entrance
channel and
and turning
in a
re a s o
th e r th
the entr
ancechannel
tur ning basin
p ri ma ri l y on
d e p e n d sprimarily
depends
of shipping,
th e demands
d e mands
o n the
and
shipping, mooring
m oor ingof small
boats and
sm all boats
p
a
st
year
s,
patter
ns
berth
b
e r t h capacity.
the
th
e
past
eight
years,
shoaling
patterns
in
the
c a p a ci ty. Over
eight
in
the
0 ve r
shoaling
q u i t e stable,
Y a q u i n aRiver
R i v e r appear
Yaquina
a p p e a rto
t o be
b e quite
in
s t a b l e , with
w i t h little
l i t t l e or
n o change
o r no
c h a n g ein
m o s tof
most
o f the
t he channel
ch a n n e from
lfro mMcLean
Mcl e anPoint
Since
1969,
the
authorized
Point to
to Toledo.
the
author
i z ed
Toledo. Since 1969,
c h a n n e lfrom
f ro m Oneatta
P
o
i
n
t
channel
Point
to
Toledo
has
not
been
maintained.
Shoaling
0 n e a tta
to Toledohas not beenmaintained. Shoa' ling
h a s increased
i n c r ea se dthe
redgingneeded
has
off d
dredging
needed to maintain
maintain a ten
th e backlog
b a ckl o go
foot
ten foot
channel
c h a n n e depth.
ld e p th . In
so meareas,
a re a s, depths
depthshave
feet.
to
eight
feet.
In some
havedecreased
decr eased
to eight
.|974
pr
ism
Review
off hydrographic
data
and
computed
prism
volumes
in 1973
and 1974
R e v i e wo
d
a
ta
a
nd
h yd ro
g
ra
p
h
i
c
computed
volumes
1973and
.|9 7 7
compared
c o m p a r ewith
wi
d th 1977 information
i n fo rma ti o nshow
showvery
ver y little
little difference
differ ence in
r ecent
in recent
a tte rn s, a
patterns,
and
noo a
apparent
of
increase
or
decrease
sshoaling
h o a l i n gp
nd n
p p ar entrate
r ate of incr ease
is evident.
evident.
decr easeis
T h u s , it
i t has
h a s been
b e e nconcluded
Thus,
that
upon
rehabilitation
of
the
channel
co n cl u d e dth at uponr ehabilitation
to
the channelto
tthe
he a
ot d
u t h o ri ze dte
n fo
e p th , futur
authorized
ten
foot
depth,
future
as significant,
e shoaling
shoaling should
significant,
should not
not be
be as
and the
the frequency
frequencyof
of maintenance
maintenance
dredgingmay
and
dredging
10 to
maybe
be only
to
only once
onceevery
every 10
ears.
15
1
5 yyears.
8
II
I
I
II
I
tI
tI
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II
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t
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t
t
I
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t=
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tr,
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t.c,
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d.x.&d.(oro(o
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Yaquina River
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E
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J-Lr-L
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co
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1976
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1971
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.=
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United States Army Corps of Engineers, Portland District
rJ
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St:Ecccccccccgc
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=E===========
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=(u(u(u(I,(uqJ(u(uoJcJ(lJ(uoJ
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t
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HISTORICAL DREDGING DATA FOR YAQUINA BAY
AND YAQUINA RIVER TO BASIN
t
254,543
>l
'|Jl
'Fl
TABLE 2
I
I
I
Lc)
o
c)
ct
co
Nl
(O
<f,
r+
Cr)
cl)
C!
rr)(oo@cor\c\lc\rcf)<r@o)
I
6l
969,366
L)l
I
I
T
t
I
>l
Fiscal Year
- - - - - - - - - - - - - - - - - - -
I
qJ
(J
L
an
I
I
T
I
I
I
d re d g i n gdata
d a ta for
fo r Yaquina
YaquinaBay
2.
Historical
H i s t o r i ca l dredging
Bay and
and River
ar e shown
in Table
River are
shownin
Table 2.
by river
The
of
mile
which has
o f sediments
r iver m
ile which
the
T h e accumulation
a c cu mu l a ti o n
se d i me n tsby
has occurred
occur r edsince
since the
m
o s trecent
d re d g i n gaction
i s shown
most
in
r e c e n t dredging
a cti o n is
shown
in Table
Table3.
3. From
Fr omRiver
River Mile
Mile 3.0
3.0
( McL e a P
n
tto
o 6
6.0
Point
Oneatta
veryy little
dredging
. 0 (McLean
o i n t to 0
n e atta Point) ver
little dr
edgingis
is rrequired
equir ed
tto
o m
a i n ta i n aa ddepth
maintain
off 1
188 fe
feet
and no
no dr
dredging
for maintenanc
maintenance e
e p th o
et and
edgingis
is rrequired
equir ed for
fo o t channel.
of
o f aa 10
l 0 foot
ch a n n e l .Above
River Mile
A b o veRiver
Mile 6.0
6.0 approximately
appr oximately420,000
cubic
420,000cubic
yards
provide aa 10
require removal
removalto
to provide
yards would
would require
with
two
feet
l0 foot
foot channel
channel
with
two
feet 0
.|00,000 .|20,00
of
d re d g i n g . Thereafter
o f overdepth
o v e r d e p thdredging.
that
T h e reafterit
it is
is assumed
that 100,000 to
to 120,000
assumed
ard s would
year s.
c u b i c yyards
cubic
every
w o u l daccumulate
a ccu mu l a te
ever y10
l0 years.
TABLE
TABLE33
ACCUMULATED SEDIMENT
FOR
ACCUMULATED
BAY
RIVER,
SEDIMENT
FORYAQUINA
YAQUINA
ANDYAQUINA
YAQUINA
RIVER
BAYAND
RIVER, RIVER
(Asm
MILE
M
I L E0.5
0 . 5 tto
o 14.1
l 4 . l (As
e a s u r ein
measured
idn Spring,
S p r i n g ,1977)
1977)
River
R iv e r Mile
M i 'l e
0.5
1.0
0 . 5 to
t o 1.0
1.0
I . 0 to
t o 2.0
2.0
2 . 0 to
2.0
t o 3.0
3.0
3.0
3 . 0 to
t o 4.0
4 .0
4.0
4
. 0 to
t o 5.0
5.0
5 . 0 to
5.0
t o 6.0
6.0
6.0
6 . 0 to
t o 7.0
7.0
7.0
7 . 0 to
t o 8.0
8.0
8.0
8 . 0 to
t o 9.0
9.0
10.0
9.0
9 . 0 to
t o 10.0
1
10.0
0 . 0 to
ll.0
t o 11.0
11.0
1
l . 0 to
12.0
t o 12.0
13.0
12.0
1
2 . 0 to
t o 13.0
13.0
1
3 . 0 to
14.0
t o 14.0
Authorized
Authorize.dDepth
Depth((Ft.)
Ft. )
(CubicYards)
Yards)
Sediment
Se{qent Volume
Volume(Cubic
30
30
30
30
30
30
l18
8
t188
18
IB
10
l0
10
l0
10
l0
10
l0
10
t0
10
l0
10
l0
10
t0
2,850
2,850
6,880
6,gg0
108,300
10 8 , 3 0 0
0
0
0
0
0
0
21,400
2l ,4oo
4,300
4,300
2,400
.l2,400
16,100
. |6,.l
0 , 700
00
10,700
12,100
I 2,.|00
8,000
8,000
38,400
38,400
TOTALS
TOTALS
Source:
Source:
231
2 3 ],,430
430
United
U
n i te d States
S ta te s Army
Cor psof
A rmyCorps
of Engineers,
Engineer s,Portland
Por tland District
Distr ict
H i s t o r i ca l dredging
Historical
records,
d re d g i n gre
other than
for the
co rd s, other
than for
the Corps
Cor psof
of Engineers
Engineer projects,
spr oie c ts ,
p
e
r
m
i
t
s
are
l i m i t e d . Since
S i n c e 1971,
1 9 7 1 ,Section
S e c t i o n10
l 0 permits required
b y Federal
F e d e r a llaw
l a w have
have
a r e limited.
r e q u i r e dby
pr ojects are
gener a' lly
numbered
n u m b e re11
ldl are
a re are
a re listed
l i ste d in
4.
These projects
i n Table
Table 4.
These
ar e generally
r e l a t e d to
to moorages,
mo o ra g e s,
i n d u strial docking
dockingfacilities
related
industrial
facilities or
log dumps.
dum ps. The
The
or log
q u a n t i t i e s of
quantities
to
o f materials
ma te ri a l s dredged
d re d gedare
ar e low
low in
in comparison
maincom par ison
to channel
channelmainttenance.
e n a n c e . Much
Mu chof
beenhauled
to upland
disposalsites
sites
o f this
th i s material
ma te r ial has
has been
hauledto
uplanddisposal
for
f o r deposition.
d e p o si ti o n .
t0
10
t
I
I
I
I
I
I
II
tI
,l
I
I
I1
I
I
I
U
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
t
I
I
I
I
I
I
I
I
I
TABLE
4
TABLE
4
IPERMITS
FOR
DREDGING IN
BAY
P E R MITF
SORDREDGING
IN YAQUINA
YAQUINA
BAYAND
ANDRIVER
RIVER
River
R iv er
IMile
Ml_'le
1.2
t.2
1.5
1
.5
1.6
1.6
1.8
1
. |..88
1.8
2.5
2.5
5.2
5,2
5.2
5.2
8.3
8
. |.03. 5
10.6
12.1
12.1
Permit
Permi
t
Date
Date
1974
1974
1972
1972
1975
1975
1974
1974
1975
I 975
1973
1973
Pur pose
Purpose
Applicant
Appl
i cant
Fill
Fiil
U.S.
U . S . Coast
C o a s tGuard
Guard
S e aMuseums,
Sea
M u s e u mInc.
sI n, c .
Port of
Port
of Newport
Newport
Port
Port of Newport
Newport
Oregon
0 r e g o nState
S t a t eUniv.
Unjv.
N.W.
N . l , JNatural
. a t u r a lGas
G a sCo.
Co.
N
Cassell
Cassel
I Brothers
Br other s
River
River Bend
Be ndMoorage
M oor age
Oregon
C o.
0r
egonOyster
Oy s terCo.
Georgia
G
e o r g i aPacific
P a c i f i c Co.
Co.
Lincoln
L' incoln City
C ity
Dredging
Dr edg
i ng
Fiil
Fill
Dredging
Dr edging
Dredging
Dr edging
Dredging
Dr edging
Dr edg' ing
Dredging
Dredging
Dr edg
i ng
1971
I 97.|
1975
I 975
1972
1972
1975
I 975
1973
1973
Fill
Fiil
Dredging
Dr edg
i ng
Dredging
Dr edg
i' ng
ISource:
S o u r c e : United
U n i t e dStates
S t a t e sArmy
A r m yCorps
C o r p sof
o f Engineers,
P
E n g i n e e r sPortland
, o r t l a n dDistrict
Distrjct
q u a n i t i t e s of
T h equanitites
The
o f dredged
d r e d g e dmaterials
m a t e r i a l slisted
l i s t e d within
f o l l o w i n g river
w i t h i n the
t h e following
river
s
e
g
m
e
n
d
t
i
scu
ssi
o
n
s
yea r
a
re
segment discussions
are
estimated
on
an
annual
basis
and
for
ten
year
estir
nated
on
an
annual
for
basjs
and
ten
.|999.
p e r i o d sthrough
q
u
a
n
i
t
i
t
e
s
1999.
through
T h e s equanitites were
These
w e r ecalculated
f r o mhistorical
historical
c a l c u l a t e dfrom
periods
p ro j ected needs
d
r e dg i n grecords
pr oposedprojects.
pr ojec ts .
re co rd s and
a n d projected
dredging
needsof identifiable
identifiable proposed
p
u
r
p
o
s
e
D
r
e
d
g
i
n
g
s o l e l y for
f o r the
Dredging solely
t h e purpose of
f i l l i n g is
o f filling
n o t represented
i s not
r e p r e s e n t e in
di n these
these
estimates.
estimates.
D r e d g e Material
d a t e r i a lCharacteristics
Dredged
M
Characteristics
B o t to mse
d i me n tssu
b i e ct to
IBottom
sediments
subject
to dr
dredging
and disposal
disposal can
can be
edgingand
be categorized
categor izedas
as
b
e
i
n
g
e i t h e r ocean
being either
o c e a nsand
s a n dor
o r upland
u p l a n dsediment,
s e d i m e n tnamely
n
, a m e lsilty
ys i l t y sand.
s a n d . Older
0lder
m a t e r i a l s , both
materials,
b o t h in
i n the
t h e bay
b a y and
a n driver
t e n d to
t o be
r i v e r tend
b e more
a n dof
m o r esilty
s i l t y and
o f lighter
fighter
d
e n si ty. H
( with the
density.
o w e ve r,recently
re ce n tly deposited
depositedsediments
However,
sediments(with
the exception
exceptionof
D e p o eS
l o u g hin
o l e d o )appear
Depoe
Slough
in T
Toledo)
a p p e a rto
b e heavier
t o be
h e a v i e rand
a n d contain
c o n t a i nmore
m o r esand.
sand.
T h eArmy
physical and
ArmyCorps
C o rp sof
The
physical
o f Engineers
E n g i n eer shas
has conducted
conducted
andchemical
chem icalanalysis
anal y s 'i s
o f Yaquina
Y a q u i n aBay
B a ysediments
s e d i m e n tat
s t aa limited
of
a
l j m i t e d number
n u m b eof
t h e bay
or f sites
b a yand
and
s i t e s within
w i t h i n the
( fen1 performed
rriver.
i v e r. In
per fo r m ed
In a
th e Environmental
addition,
Protection
d d i ti o n , the
Envjr onm ental
Pr otectionAgency
Agency(EPA)
sseveral
e v e r a ltests
t e s t s at
a t five
f i v e locations
l o c a t i o n sin
i n 1969.
1 9 6 9 . The
T h eresults
r e s u l t s of
o f these
t h e s etwo
t w o test
test
s i t u a t i o n s form
Isituations
f o r m the
t h e basis
b a s i s for
f o r the
t h e following
f o l l o w i n qdiscussion.
discussion.
h y s i c a lCharacteristics
Physical
o P
Characteristics
Bo t to msediments
pr oject are
pr edominant'sandy
ly
IBottom
se d i me n tsthroughout
th ro u g h outthe
the project
ar e of
of predominantly
sandy
m
a t e r i a l , ranging
r a n g i n gfrom
f r o m nearly
material,
n e a r l y all
a l l sand
s a n din
' i nthe
t h e lower
l o w e rbay
b a yto
t o silty
s i l t y sand
in
s a n din
( p r e d o m i n a n t lhighly
t h e river
u a fi t y m
the
r i v e r at
P o o rq
quality
material
a t Toledo.
T o l e d o . Poor
a t e r i a l (predominantly
hyi g h l y organic
organ'ic
s i l t s and
a n d clay)
c l a y ) exist
e x i s t near
n e a r the
silts
in' i n
o f Depoe
D e p o Slough
eS ' l o u gand
t h e mouth
m o u t hof
h
a n dupstream
upstream
Depoe
p r o p o s edredging.
d r e d g ' i n g . The
Depoe
Slough
S l o u g hto
t h e limit
l i m i t of
t o the
o f proposed
e x i s t i n g Newport
T h eexisting
Newport
p o o rquality
c o m m e r c i aboat
q u a l i t y materials,
commercial
bl o a t basin
b a s i n also
a l s o contains
e v i d e n c i n gaa
c o n t a i n spoor
m a t e r i a l s ,evidencing
p e rce n tof
h i g he r percent
o f organics.
the exception
higher
o rg a n i cs. With
l^liththe
except' ionof
two areas,
ar eas,
of those
thosetwo
p ro p e rti e s of
s e t t li n g properties
good.
o f the
settling
to
th e bottom
bottomsediments
sedimentsare
m oder ate
to good.
ar e moderate
j f adequate
M a t e r i a l densities
d e n s i t i e sindicate
p o s s i b l eif
i n d i c a t e moderately
m o d e r a t e lgood
yg o o dfills
Material
f i l l s are
adequate
a r e possible
d
e w a t e r i n gand
dewatering
a n d compaction
c o m p a c t i oare
anr e obtained.
o b t a i n e d .Table
T a b l e55 lists
l i s t s the
t h e measured
measured
p r o p e r t i e salong
a l o n g various
physical
v a r i o u sriver
r i v e r miles
m i l e s within
t h e bay
b a yand
a n driver.
w i t h i n the
river.
P h y s i c a lproperties
il
I11
1.347
o
-
o
N
@
cq
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or
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406
N
o'r
r\
.
=
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3
O
I
T
I
I
I
5
1706
(I)l-F
1493
Density
In Place
(9 Ms/L)
)>o^l
+) lJI
.r L
ro:.1
t,.l
ogo.=l
oqotl
.08 mm
(Silt & Clay)
TABLE 5
PHYSICAL CHARACTERISTICS OF
YAQUINA BAY & RIVER BOTTOM SEDIMENTS
an
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a
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JqO
United States Army Corps of Engineers, Portland District
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24
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I
I
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I
I
I
I
I
T
I
I
I
P
I.
Chemical
Characteristics
r C
h e mi caC
l h a ra cte ristics
show
Sampling
in Table
Table 6
6 show
S a m pl i n gand
b ottomsediments
as listed
listed in
a n d analysis
a n a l ysi s of
o f bottom
sedim entsas
Samples
p ro b l e msfor
pollutant release
pl es
uponresuspension.
r esuspension. Sam
very
v e r y minimal
mi n i ma lproblems
fo r pollutant
r eleaseupon
polluted and
will
andwill
be polluted
from
appear
ttaken
a k e n fro
DepoeSlough
S' lough
appearto
to be
m the
th e vicinity
o f Depoe
vi ci n i ty of
Some e
g re a te r care
require
disposal. Som
d redging,and
andconfined
confinedland
landdisposal.
r e q u i r e greater
i n dredging,
ca re in
land
if land
depr essdissolved
dissolvedoxygen
oxygenif
material
m a t e r i a l in
maydepress
i n various
va ri o u s river
ri ve r sections
sectionsmay
this reason,
r eas on,
For this
d i s p o sa l sites
the materials.
m ater ials. For
disposal
contain
n o t adequately
containthe
si te s do
d o not
a d e q uate' ly
possible above
pr ovidedwher
above
two
be
wherever
t w o cell
d i sp o sa l systems*should
c e l l disposal
be provided
everpossible
syste ms*should
River
R i v e rMile
M i I e 6.
6.
Ir Toxicity
T o xi ci ty of
o f Dredged
D re d g eMaterial
dM ater ial
of
r e s u l t of
a s aa result
The
materials
a q u a t i chabitat
h a b ' i t a tas
T
h e release
r e l e a s eof
o f toxic
a t e r j a l sinto
i n t o an
a n aquatic
toxic m
ecod r e d g i n ga
causeserious
ser ious ecodredging
and
disposal
materials
n d the
th e d
ials can
can cause
i sp o sa i of
o f dredged
dr edgedmater
par t by
by
in part
system
damage.
The
can be
be identified
identified in
s y s t e md
a ma g eT
. h e extent
e xte n t of
o f the
the hazard
hazar dcan
per for m ed
Tests
performed
p e r f o rmi n gelutriate
dr
edged.
Tests
be
performing
tests
on
the
materials
to
be
dredged.
e l u tri a te te sts on the m ater ials to
showed
ar
ea
bas'
in
by
Corps
of
Engineers
on
samples
from
the
turning
basin
area
showed
b y the
fr
om
tur
n'
ing
on
the
t h e C o rp so f E n g i n e e rs sam ples
m etal
heavymetal
the heavy
e
x t r e m e l ylow
showsthe
extremely
heavymetals.
metals. Table
Tab' le77 shows
l o w releases
re l e a se sof
o f heavy
R
i
v
e
a n dRiver.r .
Y a q u i nBay
aB a yand
ccharacteristics
h a r a c t e r i s t i c sfor
i n Yaquina
f o r aa sample
s a m p l eof
o f locations
l o c a t i o n sin
t
I
t
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
TABLE
77
TABLE
YAQUINA
RIVER
HEAVY
FOR
BAY
RIVER
ME
L H A R A C T ERISTICS
YAQUINA
BAY&& YAQUINA
H E A VMETAL
Y T ACHARACTERISTICS
FORYAQUINA
C
(T1S
9 7 6Data)
BOTTOM
B
O T T OSEDIMENTS
SM
E D I M E N(1976
Data)
River
River
Mile
M
ile
I
t
I
1.0
1.0
1.5
1.5
2.2
2.2
6.4
6.4
7.6
7.6
9.5
9.5
10.8
t 0.8
12.7
12.7
r3 . 7
13.7
Cadmium
Cadmium
-
olos
6.65
4.80
4.80
4.62
4.62
5.12
5.12
7.01
7.0.|
5.45
5.45
17.65
17.65
3.80
3.80
Parameter,
m
Par
am etermg/kg
, g/kg
Lead
Zinc
L
ead
T
inc
-
g
.2B
9.28
12.97
1
2.97
13.20
1
3.20
8.84
B .8 4
14.02
1 4" 0 2
i11.39
l .39
26.74
26.74
14.10
14..|0
-
gz.so
92.50
178.20
178.20
55.00
55.00
29.10
2
9.10
262.90
262.90
222.80
2
22.80
374.80
374.80
209.90
209.90
Mercury
Mercury
0.22
0.22
0.120
0..l20
0.024
0.024
0.035
0 .0 3 5
0.065
0
.0 6 5
0.123
0
.123
0.203
0
.203
0.128
0
..|28
0.060
0
.0 6 0
ISource:
S o u r c e : United
P
U n i t e dStates
S t a t e s Army
ArmyCorps
Corpsof
o f Engineers,
D is t r i c t
E n g i n e e r sPortland
, o r t la n dDistrict
h e a v metal
ym e t a conUpon
b a ywater,
w a t e r ,soluble
lconU p o nresuspension
r e s u s p e n s i oof
s e d i m e n tin
si n bay
s o l u b l eheavy
onf sediments
p e r c e nof
to f the
centrations
c e n t r a t i o n swere
l e s s than
t h a n0.1
0 . . |percent
t h eundisturbed
u n d ' i s t u r bsediment
esde d i m econnct o n w e r eless
ompared
bay,
averaged
0.2
. 2 ^mg/kg
g / k g ccompared
centration
c e n t r a t i o nby
b y weight.
w e i g h t . In
I n tthe
he b
a y , ssoluble
o l u b l e zzinc
inc a
v e r a g e d0
with
mg/kg
weight
boat
2 0 0 mg
boat basin
bas' insediments.
sed' im ents .
/kgdry
d ry w
in the
the commercial
comm er cial
w
i t h over
o ve r 200
e i ght in
believed
The
blo a t basin
T
h e source
z i n c in
i n the
t h e commercial
c o m m e r c i aboat
b a s i n sediments
s e d i m e n tis
si s believed
s o u r c eof
o f zinc
Zinc
p a i n t s used
i n c is
is
to
t o be
b e the
m a r i n epaints
u s e don
t h e commercial
c o m m e r c i fishing
af jl s h j n g boats.
boats. T
t h e marine
o n the
' i n aa reducible
p h a s e . By
p r e d o m i n a ntrace
a predominant
t rt a c e metal
r e d u c i b l ephase.
maintaining
m e t a lin
Bym
a i n t a i n i n ghigh
high
dissolved
d
i s s o l v e do
oxygen
within
material
disd r e d g i n gand
d r e d g e dm
a t e r i a l disx y g e nlevels
levels w
j t h i n the
t h e dredging
a n d dredged
presence
p o s a l sites,
g r e a t l yminimized.
posal
z i n c concentrations
b egreatly
m i n i m i z e d . The
T h epresence
s i t e s , zinc
c o n c e n t r a t i o ncan
cs a nbe
o
nor malto
Coas t
off reduced
water
r e d u ce diron
i ro n in
high w
to Oregon
Or egonCoast
i n high
a ter content
content sediments,
sediments,normal
q u a l i t y since
formed
t r i b u t a r i e s , aids
tributaries,
a i d s in
s i n c e iron
i r o n oxides,
o x i d e s , formed
i n improving
i m p r o v i n gwater
w a t e r quality
u
p o nsuspension,
their
upon
metals
inhibiting
s u s p e n s i o ntie
i n, h i b i t i n g their
t,i e up
u p trace
trace m
e t a l sand
a n d orthophosphate,
orthophosphate
p h a se .
r e l e a s eto
th e water
release
to the
w a te rphase.
*
p r i m a r yand
secondary
A
a n daa secondary
i n which
b o t h aa primary
i s one
w h j c hboth
d i s p o s a lsystem
s y s t e mis
o n ein
A two
t w o cell
c e l 1 disposal
a t the
tth a t settles
s e t t l e s at
the
cell
ot f sediment
teh e amount
a m o u nof
s e d i m e nthat
u t i l i z e d to
t o maximize
m a x ' i m i zthe
c e l l are
a r e utilized
p
r
i
m
a
r
y
p
u
m
p
e
d
The
dredged
material
is
first
pumped
into
the
primary
cell
c
e
l
l
and
and
t
h
e
into
ssite.
i t e . T h e d r e d g e dm a t e r i a l i s f i r s t
j n t o the
gencye l l . This
T h i s system
s y s t e mis' i sgens e c o n d a rcell.
t h e secondary
tthen
h e n directed
d i r e c t e d over
o v e r aa weir
w e i r into
j
s
f i n e sediments
sedjments
erally
c h a r a c t e r i z e by
db y fine
d i s p o s a lmaterial
m a t e r i a l is characterized
e r a l l y used
t h e disposal
u s e dwhen
w h e nthe
or
cl o n t a m i n a t i o n .
o r chemical
c h e m i c acontamination.
t13?
Gl
(o
st
<f,
o=o-l
C)
c\l
tr)
(\l
+)
4.1
4.0
7.0
(\l
54.8
23.9
42.9
5
6(\rca
<f
222.4
aaug
F
=
V)O
d
COD
(gm/kg)
(Results of Elutriate Testing)
bH9
o.=
o
o
ocDorC\toooo+
21.2
L
z
18.0
TABLE 6
CHEMICAL CHARACTERISTICS OF
YAQUINA BAY & RIVER BOTTOM SEDIMENTS
tt
F
United States Army Corps of Engineers, Portland District
United States Environmental Protection Agency
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64
(o!
*r.r
35
-tOCl
1.0
&3
LO
;
p
Total
-<
<)2,
Or
o .n a-l
Solids
(Percent)
lrl
Nl
13.9
g=!
(Jl
'-l
(u+)
(ua)
2.5
:
,t-r .e
rd r
-OOl
River
Mile
Jod
opl
-UtCl
.r!
Ol
3.9
i.,
3.2
F-H
(Jd
6c
CPercent)
.:'.
Volatile
Solids
F ccl
lrl L)
L
=
o
a
- - - - - - - - - - - - - - - - - - -
(\l
(\l
4.4
cD
16.2
Nl
2.2
cO
CO
1.3
tr)
CA
2.3
(\l
3.5
.
rr)
3.2
5.2
(\l
|
!
--
(Percent)
Organic
Material
F^l
() (dpl
.r.r
Cl
cl(ul
(o(I,(JI
ll
o)P
!(o(uI
I
I
I
I
I
I
I
I
I
I
t
I
I
I
I
I
I
I
I
I
H
t
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
T
I
I
t
I
I
' lead
pH conditions
A c i d .pH
co n d i ti o n s in
Acid
land
i n the
th e dewatered
dewater ed
land disposal
disposal sites
s' ites may
maylead to
to some
so m e
lleaching
e a c h i n gof
o f heavy
h e a v ymetals.
, m e t a l s .The
T h ehigh
h i g h buffering
p r o p e r t i e sand
b u f f e r i n g properties
a n dorganic
organic
c o n t e n tof
o f the
t h e saline
content
s a l i n e soils
s o i l s would
w o u l dminimize
m i n i m ' i zthis
e
t h i s effect.
e f f e c t . Under
U n d e runsaturated
unsaturated
f l o w conditions,
c o n d i t i o n s ,leaching
l e a c h i n grates
flow
r a t e s are
a r e also
a l s o anticipated
a n t i c i p a t e dtto
o be
b e very
v e r y low.
1ow.
Site S
ISite
Selection
Criteria
e l q c t i o nCriteria
proposed
p r e v i o u s l y rspecific
d i s p o s a lof
Ass discussed
for
s i t e s proposed
f o r the
t h e disposal
of
s p e c i f i c sites
A
d i s c u s s e dpreviously,
bas' isof
dredged
materials
were
e valuatedon
on the
the basis
of aa combination
of enend r e d g e dma
te ri a l s w
e re evaluated
combinationof
g i n e e r i n gand
gineering
criteria.
E n g i n e e r i ncriteria
w e r eutilized
utilized
a n denvironmental
environmenta
clr i t e r i a . Engineering
cg r i t e r i a were
Ito
was
and
h e ssites
easible a
n d that
t h a t cost
considerations
t o iinsure
n s u r e tthat
h a t uuse
s e ooff tthe
ites w
a sffeasible
c o s t considerations
were
many
envir onmental
considerations
r e a so n a b l e . In ma
n yinstances,
instances,environmental
were
w e r ereasonable.
consider ationswere
the
overriding
off a
f a c t o r i in
n the
e ' l i m i n a t i o no
a site
a, l t h o u g hthe
the o
v e r r i d i n g factor
t h e elimination
s i t e because,
b e c a u s ealthough
the
site
may
a yhave
h a v ebeen
b e e nengineeringly
e n g i n e e r i n g l feasible,
yf e a s i b l e , disposal
d i s p o s a of
lo f dredged
d r e d g ematerial
dm a t e r i a l
site m
following
would
w o u l dhave
h a v ecaused
c a u s e dloss
l o s s of
n a t u r a lhabitat
T h efollowing
o f significant
s i g n i f i c a n t natural
h a b i t a tareas.
a r e a s . The
p a r a g r a p ho
su t l i n e the
paragraphs
outline
major
were
the m
a j o r criteria
c r i t e r i a that
that w
e r eused
i n the
t h e evaluation
evaluation
u s e din
p r o p o s edredged
d r e d g e material
and
t h e proposed
a
n d selection
s e l e c t i o nof
o f the
dm a t e r i a ldisposal
d ' i s p o s asites.
sl i t e s .
Ir Environmental
Criteria
E n vi ro n me n ta
Cl ri te ria
p r i m a r i ' l yconcerned
Environmental
are
with
maintaining
Environmenta
ccriteria
rl i t e r i a a
tgh e
r e primarily
c o n c e r n ew
d ith m
a ' i n t a i n ' i nthe
integrity
off the
and
integrity o
t h e natural
eco-system
a n y changes
changes
e s t u a r i n eeco-system
a n d limiting
l i m i t i n g any
n a t u r a l estuarine
which
Maintenance of wetland
w h i c hwould
a ffe ct that
ar eas
w o u l dadversely
a d ve rse l yaffect
that system.
system . Maintenance
wetlandareas
including
mudflats,
marshes
and
marsh
arsh
i n c l u d i n g intertidal
intertidal m
u d f l a t s ,tide
l a n d s , salt
other m
t i d e lands,
salt m
arshea
s n d other
p r i m a r ycconcern,
l a n d sw
areas
lands
was
and
disposal
off m
materials
a sa primary
o n c e r n ,a
n d the
the d
i s p o s a lo
i n such
s u c hareas
a t e r i a l sin
p ro h ib 'i te d. The
was
The ef
effect
disposal
and the
w a sessentially
fect of di
the resulting
r esu't'l ing
sposa' land
e sse n ti a l y prohibited.
water
w a t e r runoff
r u n o f f on
f i s h and
sites
o n all
a n dwildlife
h a b i t a t was
e v a l u a t e d and
,a n dsites
a l l fish
w i l d l ' i f e habitat
w a sevaluated,
from
which
w h i c hwould
w o u l dhave
h a v erecorded
r e c o r d e dsignificant
d e g r a d a t i o were
n
e l i m i n a t e dfrom
s i g n i f i c a n t degradation
w e r eeliminated
q u a l ' i t yeffects
ffurther
u r t h e r consideration.
water
c o n s i d e r a t i o n . IIn
the w
a t e r quality
e f f e c t s resulting
resulting
n aaddition,
d d i t i o n , the
ffrom
r o m site
a l s o evaluated.
s i t e use
u s e were
w e r ealso
evaluated.
p o t e n t i a l land
Other
c o n c e r n sincluded
effect
O t h e rconcerns
i n c l u d e dpotential
l a n d use
u s eeffects,
e f f e c t s , including
i n c l u d i n gthe
t h e effect
p r i m efarmlands
p o t e n t i a l recreation
of
d i s p o s a lon
o n prime
f a r m l a n d sand
o f disposal
a n dexisting
e x i s t i n g or
o r potential
r e c r e a t i o nsites.
sites.
.
r Engineering
Criterja
E n g i n e e r i nCriteria
g
Engineering
f e a s i b i l i t y and
c o s t efficiency
e f f i c ' i e n c yare
a r e closely
t i e d and
a n dwere,
were,
E n g i n e e r i n feasibility
g
a n dcost
c l o s e l y tied
j o i n t l y . Since
probably
therefore,
t h e r e f o r e , evaluated
e v a l u a t e djointly.
S i n c ethe
t h e upriver
u p r i v e r areas
m o s tprobably
a r e a swill
w i l l most
' i p e l i n eddredge,
r e d g e ,iit
t w
be
use
pipeline
was
b e dredged
d r e d g e dby
by u
s e .of
of a p
a seessential
s s e n t i a l tthatand
h a t , a n dsites
sites
p i p e fi n edredge.
be
b e identified
i d e n t i f i e d within
t h e operational
o f aa pipeline
d r e d g e . This
This
w i t h i n the
o p e r a t i o n arange
lr a n g eof
f a c t o r alone
t o the
factor
meant
e a n tthat
h a t sites
b y necessity,
n e c e s s i t y ,occur
a d j a c e n tto
the
s i t e s would,
w o u l d ,by
o c c u radjacent
a l o n em
h y s ' i c a features
river.
addition,
physical
were
r i v e r . In
In a
d d i t i o n , tthe
he p
f1e a t u r e s of
o f each
e r eevaluated
evaluated
e a c hsite
site w
pr epar at' ionwas
determine
whether
was feasible,
many y
iin
n oorder
r de r to d
e te rmi n ew
h e thersite
sjie preparation
feasjble, and
and man
p
r
e
p
a
r
a
t
i
o
n
sites
were
sites w
e l i m i n a t e ddue
r e t u r n on
o n site
expenditures.
e r eeliminated
d u e to
t o aa low
l o w return
s i t e preparation expenditures.
Some
a l t h o u g hacceptable
e n v i r o n m e n t astandpoint,
were
S o m esites,
s i t e s , although
a c c e p t a b l efrom
f r o m an
a n environmental
slt a n d p o i n t ,were
pr epar ationcosts.
too
warrant
t o o small
s ma l l to
to w
a rra n t the
th e necessary
n ecessar ysite
site preparation
costs.
p o te n ti a l dredged
eva' luated
Each
off the
Ea c ho
th e potential
d' isposalsites
wer eevaluated
d re dgedmaterial
m ater jal disposal
sjtes were
' i n the
portions
presented
against
in
a
g a i n s tthe
t h e above
a b o v ecriteria.
c r i t e r i a . The
l a t t e r portions
T h esites
s j t e s presented
t h e latter
g
e
n
e
r
a
l
l
y
crjteria
of
this
chapter
generally
were
able
to
meet
this
complex
set
of
criteria
m
e
e
t
t
h
i
s
s
e
t
o
f
of this chapter
complex
w e r ea b l e t o
agenc i es
and
were
co n si d e re dacceptable
a cce p tablefor use
by the
the Federal
Feder aland
and State
State agencies
a
n d we
re considered
use by
permits.
Iresponsible
f o r the
t h e issuance
i s s u a n c eof
f j l l permits.
r e s p o n s i b l efor
o f fill
fl
t5
I15
I
I
I
I
I
T
I
P
H
Site
Si
t e Preparation
Pr e pa ra ti o n
presentedherein
previouslJ been
Althoughsome
someof
of the
the sites
sites presented
Although
herein have
havepreviously
beenused
used
l a ce me no
tf d
ffor
o r tthe
he p
re d g e dmater
ials, many
placement
of
dredged
materials,
many of the
the disposal
disposal sites have
have
p re vi o u sl y, and
n o t been
u se dpreviously,
not
b e e nused
ther efor e would
pr epar ation
a n d therefore
wouldrequire
r 6quir e site
site preparation
p
r i o r tto
p l a ce me nof
o the
th e placement
prior
disposal
ot f the
th e disposal
mater ials. General
Gener alconsiderations
consider ations
'levelingmaterials.
p re p a ra ti o ninclude:
f o r site
s i t e preparation
i n cl u d e : leveling to
for
to insure
insur e uniform
unifor mapplication
application for
for
m
a x i m udewatering,
dme w a te ri n g ,clearing
maximum
cl e a ri n g to
to remove
r em oveexisting
existing vegetation,
vegetation, dike
dike construction
constr uc ti on
iin
n oorder
r d e r tto
o cconfine
o n f i n e tthe
materials,
off w
weirs
h e ddredged
r e d g e dm
a t e r i a l s ninstallation
installation o
e i r s and
and
s p i ' l l w a y s ,surface
s u r f a c ed
r a i n a g erelocation,
spillways,
drainage
utility
and
relocation, u
t i l i t y location
location a
n d return
flow
r e t u r n flow
or
o r outfall
o u t f a l l construction.
co n stru cti o n . Several
S e ver alof the
above items
are
the above
items ar
e considered
consider ed
permanentand
place to enable
temporaryn
temporary, but
may be
and remain
enable future
but may
be permanent
remain in
in place
reuse
r e u s eof
o f the
t h e site.
site.
The
f i g u r e s included
i n c l u d e dwithin
d i s c u s s i o nillustrate
w i t h i n this
t h i s discussion
T h efigures
i l l u s t r a t e typical
t y p i c a l details
details
ffor
or e
m b a n kmep
nro
t te cti o n a
embankment
protection
and
retur n spiliway
n d return
spillway design
design and
and construction.
constr uction.
D
i k e sm
a yb
n stru cte dto
per im eter , interior
Dikes
may
bee co
constructed
as either perimeter,
to serve
se rve as
inter ior or
t r a i n i n g dikes.
d i ke s. Perimeter
P e ri me te rdikes
gr eatest care
training
d i ke s require
r equir e the
the greatest
car e in
in construction
constr uction
p r o v i d elong
t o provide
l o n g term
t e r m stability
to
a n d to
s t a b i l i t y and
a v o i d accidental
t o avoid
a c c i d e n t a lbreaks
b r e a k sor
o r spills
spi1ls
during
d u r i n g use.
u s e . Interior
In te ri o r d
i ke s a
re used
dikes
are
used when
when mor
moreethan
one cell
than one
is required
cell is
r equir ed
p r o v i d e adequate
t o provide
a d e q u a tesettling.
to
constructed
se ttl i n g . Training
Tr aining dikes
dikes are
ar e sometimes
sometimes
constr ucted
f r o m the
t h e film
f i l m ma
te ri a l to
pr eventshort
from
material
to direct
d i re ct inflow
inflow and
and to
to prevent
shor t circuiting
cir cuiting
o f the
t h e disposal
of
d i s p o s a lmaterial
m
. a t e r i a land
a n drunoff.
runoff.
C e r t a i n regulatory
r e g u 'l a to ryagencies
a g e n ci e shave
gener alguidelines
guidelinesfor
h a v edeveloped
deve' loped
Certain
general
for the
the
c o n s t r u c ti o nof
o f continued
co n ti n u e ddisposal
d i sp osal sites
construction
insureethe
sites to
to .insur
the retention
r etention of
of
p ro te cti o n of
s o l i d s and
th e protection
qua' lity. These
solids
guidelines establish
a n d the
o f water
w aterquality.
Theseguidelines
estab' lish
s t a n d a r d sfor
f o r crest
c r e s t heights
h e i g h t sof
standards
standing
water
levels,
o f weirs,
w e i r s , minimum
minimum
w
a
t
e
r
l
e
vels,
standing
a
voidance
o f over
o v e r filling,
f i l l i n g , location
l o q a t i o n of
o f outfalls
avoidance
of
o u t f a l l s and
r e t e n t i o n time
for
a n d retention
t i m e for
settling.
settling. T
h e sefactors
fa cto rs mu
pr epar ation
These
must
st also
also be
be considered
consider edin
in the
the preparation
( c h a p t e r44 ffurther
o f specific
of
s p e c i f i c sites.
s i t e s . (Chapter
u i d e l i n e sffor
u r t h e r ddiscusses
i s c u s s e sg
guidelines
o r the
the
d i s p o s a lof
disposal
d r e d g e materials.)
dm a t e r i a l s . )
o f dredged
Si t e Reuse
R e u sePotential
Site
P o te n ti a l
k e y determinant
the
A
disposal
of dr
dredged
A key
d e t e rmi n a n tin
is the
the use
useof
of the
i n the
th e d
m ater ialsis
i sp o sal of
edgedmaterials
lland
a n d subsequent
s u b s e q u e nto
t the
to
th e disposal
d i sp o salof
of the
the material.
on
m ater ial. Depending
Depending
on its
its reuse
r euse
p o t e n t i a l , dredged
d r e d g e dmaterials
m a t e r i a l smay
e i t h e r aa highly
potential,
m a ybe
b e either
h i g h l y desirable
d e s i r a b l eor
o r undesirable
undesirable
commodity.
c o m m o d i ty.The
p a ra gr aphs
T h efollowing
pr ovideaa general
fo l l o w i n g paragraphs
gener aldescription
provide
the
descr iptionof
of the
p o t en ti a l of
r e u s epotential
reuse
o f Yaquina
Y a q u i n aBay
B a yand
andRiver
Riversediments.
sediments.
Agricultural
r. A
g r i cu 'l tu ra l Use
U se
Si n c e Yaquina
Ya qu i n aRiver
R i ve r sediments
se d i me n tsconsist
Since
consist of
of silty
silty sand
sandand
andcontain
containapproximately
appr oximatel y
p e r c e n t organic
5 percent
ma te ri a l , they
o rg a n i c material,
th ey should
5
shouldbe
be moderately
m oder atelysuitable
suitable for
for the
the
c u l t i v a t i o n of
cultivation
o f agricultural
a g r i c u l t u r a l crops.
crops. A
l t h o u g hthe
t h e level
Although
l e v e l of
is
o f organics
o r g a n i c sis
c o m p a r a t i ve 'llow
lyo w and
a n d would
comparatively
the
w o u l drequire
re quir e soil
soil enhancement,
enhancem ent,
the major
majorconcern
concer n
order
t o remove
r e m o vthis
et h i s
h i g hsalt
. s a l t content.
c o n t e n t . In
In o
i t ' s high
r d e r to
with
w i t h sediment
s e d i m e nuse
ut s eis
i s it's
w
a
t
e
r
fro
m
th
e
salt
water
from
the
sediments,
the
dewatered
sediments
must
be
subjected
salt
se d i me n ts,the dewater edsedimentsmust be subjected
t o extensive
e x t e n s i veirrigation
i rri g a ti o n with
w i th freshwater
freshwateruntil
to
until the
the salts
ar e leached
salts are
leachedout.
out.
pr oblemis
O
n esolution
s o l u t i o n to
to the
th e salt
One
sa l t content
co n te nt problem
is to
to remove
r em ovethe
the existing
existing top
top
p ri o r to
s o i l from
f r o m the
th e site
si te prior
disposal of the
soil
to the
th e disposal
dr edgedmaterials
the dredged
m ater ials and
and
s t o c k p i l e it
stockpile
until
the
i t u n t i l t h e filling
f i l l i n g has
h a s been
b e e ncompleted.
c o m p l e t e d . Once
t h e disposal
disposal
0 n c ethe
m a t e r i a l is
i s sufficiently
su ffi ci e n tl y dewatered,
d e w a ter edo
the top
material
the
top soil
r eplacedover
the
soil can
canbe
be replaced
over the
pr ocedur ecan
dredged
d
r e d g e dmaterial.
m ate ri a l . This
T h i s application
a p p 'l i cationprocedure
$3,500
can cost
cost approximately
appr oximately
$3,500
per a
c r e wh
per
acre
when
and
e nup
u p to 22 feet
fe e t of
o f top
top soil
soi' l is
is removed
r em oved
r eplaced. In
andreplaced.
In areas
ar eas
c
h
a
r
a
c
t
e
r
i
ze
d
h
i
g
h
b y high freshwater
fre sh w a terrainfall,
r ainfall, natural
characterized by
leachingmay
natur al leaching
m aybe
be sufficiently
sufficientl y
rrapid
a p i d tto
o a
l l e v i a t e the
alleviate
t h e need
n e e dfor
f o r this
t h i s expenditure.
expenditure.
t166
t
I
I
I
I
I
I
I
I
I
I
I
I
I
I
HIGI-iWAY
HiGHWAY
FILL
flLL
6" SAND
FABRIC
FABRIC
S I L T SSCREEN
CREEN
SILT
E X IIS T
. \ - ,//
EX
ST.
CUL
VER
T YX
CU
LVE
RI
E XITST.
STOR
.OR
EX
NEW TEGA1
---FILL---/
.---F I LL --'
-s / \
--
..L_
( 4 , .-2 )
2 NROCK
R O C KDRAIN
D R A I N (4
TYPICALDETAIL
DETAIL
TYPICAL
EMBANKMENT
PROTECTION
EMBANKMENT PROTECTION
H,ALFCULVERT
HALF
CULVERT-\
4' R
CHANNEL
TcHANNEL
--18" PIPE_/
0
REMOVABLE
REMOVABLE J
,
STOP LOGS
STOP
LOGSI
BAGS
SAND BAGS
UP
UP2'
2,
TYPICAL DETAIL
DETAIL
TYPICAL
RETURN SPILLWAY
SPILLWAY
RETURN
'1
171
I
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I
I
p a rti cu l a rl y in
a r e a s, particularly
i n the
Many
M
a n yareas,
the vicinity
vicinity of Boone
BooneIsland
and upriver
Island and
upr iver
poorly drained
from Toledo,
from
Toledo, are characterized
characterized by
drained diked
diked tidelands
by poorly
and
tidelands and
A p p l i ca ti o n of
d re dgedmaterial
wetlands.
w e t l a n ds.Application
o f dredged
mater ial could
r aise the
could raise
the elevation
elevation of
of
I a n d s resulting
t h o s e lands
re su l ti n g in
i mpr oveddr
ainageconditions
those
drainage
conditions and
and thereby
i n improved
ther eby enhancing
enhan c i ng
their
a g ri cu l tu ra l 'lvalue.
t h e i r agricultural
va
S easonalflooding
f' loodingis
also reduced
is also
r educedor
or eliminated.
elim inated.
a nldu e . Seasonal
Su
c ha
g ri cu l tu ra l land enhancement
per m anent
Such
agricultural
must be
weighed against
e n h a ncement
must
be weighed
against the
the permanent
possible creation
ve n tu a l reclaiming
loss
orr e
eventual
wetland habitat
and the
loss o
re cl a i mi n gof wetland
habitat and
the possible
cr eation
f u r t h e r flood
fl o o d hazard
of
o f further
h a za rdfor
adjacentland.
fo r adjacent
land.
r Engineered
E n g i n e e r eFill
Fd i l l
o s t ca
IIn
n m
se s, Y
a q u i n aB
nd River
most
cases,
Yaquina
Bay
River dr
dredged
materials
appear to
to have
have
edgedmater
a y aand
ials appear
g o o dstructural
q ua' lities. However,
reasonably
r e a s o n a b l ygood
stru ctu ra l qualities.
Howeversince
,
dr y
consolidation,
since
consolidation, dry
d
ensity a
n d co
density
and
compaction
mp a cti o ntest
data are
te st data
ar e not
not available,
availab' le, conclusive
conclusiveanalytical
analytical
p r o j e c t io n s cannot
par t,icular l y
projections
ca n n o tbe
b e made.
ma d e . The
The ability
ability to
to dewater
dewatersediments,
sedim ents,particularly
t h o s e upriver
u p ri ve r of
those
o f the
th e turning
tu rn i n g basin,
basin, is
is also
also an
an important
impor tantconsideration
consider ation
ar s to
i t ca
s i n c e it
since
cann take
years
materials
ta ke several
se ve ra l ye
to adequately
adequatelydry
dr y fills
fills of silty
silty mater
ial s
t o 55 feet
4
4 to
fe e t in
time
for
consolidation
and
compaction.
i n depth
d e p th and
a d ditional
a n d additional
tim
e
for
and
com
pact
i on.
conso'
lidation
'lower
dredgedmaterial
Sandydredged
material from
from the
the lower bay
Sandy
bay will
will begin
begin compaction
compactionalmost
almost
p l a ce me n t.
immediately
i m m e d i a te l yupon
u p o nplacement.
M e c h a ni cameans
l a n sof
me
and compaction
Mechanical
can
o f filling
fi l l i n g and
com paction
be used
usedto
to shorten
shor tenthis
this
can be
p e r i o d , resulting,
ttime
i m e period,
r e s u l t i n g , however,
h o w e v e rin
i,n increased
i n c r e a s e costs.
dc o s t s .
poor
material from
Dredged material
from the
DepoeSlough
in Toledo
be of
Dredged
the Depoe
S'lougharea
area in
maybe
of poor
Toledomay
q u a l i t y for
quality
structural
fo r even
e ve nmoderate
mo d e ra te
structur al loads.
sediments
loads. Accumulated
Accumulated
fr om
sedim entsfrom
placedin
e w p o rtco
tthe
he N
mme rci aboat
basin should
Newport
commercial
be
placed
disposal
bl o a t basin
should only
be
in
only
disposal
' loads
he relight
ssites
ites w
l i g h t to
to mo
str uctur al loads may
where
moderate
may be
d e ratestructural
be imposed,
imposed,unless
unless
f u r t h e r soils
further
i n v e s t i g a t i o n sindicate
i n d i c a t eotherwise.
Examples
of
acceptable
otherwise. E
s o i l s investigations
x a m p l eo
sf a
cceptable
par kingareas
f o r those
u s e s for
uses
parking
th o se materials
ma te ri a l s include
i n clude open
openstorage,
stor age, unimproved
ar eas
unimpr oved
g
o
o
d
a n d sub-base
sub-base
f i l l for
f o r areas
and
fill
with
good
a r e a swhich
w h i c hcan
c a n later
' l a t e r be
b e surcharged
w
i
t
h
surcharged
q u a l i t y materials.
quality
materials.
l ' l i l d l i f e Habitat
r Wildlife
H a b i t a tCreation
Creation
d e ve l o p me nof
T h e development
mar shlands
The
and
otf artificial
a rti fi ci a l marshlands
andother
for m sof
of aquatic
aqua.tic
other forms
h
a b i t a t fo
r shellfish,
fow1 or
ha s
habitat
for
water
sh e l l fi sh , w
a te r fowl
or important
impor tantfood
chain vegetation
vegetationhas
food chain
g a i n e dconsiderable
year s. The
gained
co n si d e ra b 'linterest
ei n te re st in
in recent
r ecentyears.
Cor psof
Engineer s
The Corps
of Engineers
Waterways
has conducted
demonstrations,
Waterways
Experiment
demonstrations,
ExperimentStation
Station has
conductednumerous
numerous
p r o d u c in gsome
producing
include:
Som eof the
the approaches
inc' lude:
so mestriking
stri ki n g results.
re su lts. Some
appr oaches
- - cconstruction
p l a n t e dwith
d i s p o s a lislands
-o n s t r u c t i o nof
i s l a n d s planted
d r y land
land
o f disposal
w i t h dry
ass w
wildlife
nesting
or
feeding,
vvegetation
e g e t a t i o na
i l d l i f e cover
c o v e r for
n
e
s
t
i
n
g
o
r
f
e
e
d
ing,
for
- - creation
-c r e a t i o n of
o f intertidal
i n t e r t i d a l marshlands,
m a r s h l a n d, s
-- creation
pr eviouslybelow
cre a ti o n of
fr omareas
-intero f mudflats
mu d fl atsfrom
ar easpreviously
below
inter tidal
t i d a l levels.
l e v e ls .
t
T
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to evaluate
evaluate some
some of
of these
these new
new techniques
for
techniques
for
e bbeneficial
I t ccould
ou l d bbe
e n e fi ci a l to
.|50
.|976
specific
application
Yaquina
Bay.
Through
Section
off the
a q u i n aB
ay.T
t h e 1976
specific a
in Y
h r o u g hS
e c t i o n150 o
p p l i c a t i o n in
R e so u rceDevelopment
s e ve l o p ment
has authority
author ity
Water
Act,
W a t e rResources
D
Act, the
Cor psof
of Engineers
the Corps
Engineer shas
r estor ation of m
the
development,
marshlands
associated
u n d th
e ve l o p me n t,
ccreation
r eation or restoration
ar shlands
assoc i ated
tto
o ffund
ed
with
off this
authority
w i t h maintenance
m a i n t e n a n cactivities.
this a
u t h o r i t y should
b e further
further
aec t i v i t i e s . Use
U s eo
s h o u l dbe
explored
ass it
t o specific
s p e c i f i c sites
s ' i t e s under
u n d e rconsideration
c o n s i d e r a t i o nin
i n this
this
e
x p l o r e da
i t rrelates
e l a t e s to
Idocument.
document.
f o l l o w i n g sections
The
T h efollowing
d r e d g i n gneeds
for
o u t l i n e the
t h e dredging
n e e d sand
a n doptions
o p t i o n sfor
s e c t i o n soutline
each
e a c hriver
ri ve r segment
fro
the mouth
m outhof
of Yaquina
YaquinaRiver
River upriver
upr iver through
thr ough
se g me nfrom
t m the
gu' ideli nes
pr el im inar y guidelines
Toledo.
T o 1 e d o . Specific
and
S p e cif i c disposal
d i sp o sal sites
ar e mapped
m apped
and preliminary
si tes are
ffor
o r their
t h e i r use
u s eare
a r e described.
described.
El
[H
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19
- - - - - - - - - - - - - - -
RiverSegment1
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YaquinaBayDredgBdMaterialDisposalPlan
I
DisposatSlte
f,
SlrcalirqgArea
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Wilocy&Ham
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II
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(ENTRANCE
CHANNEL
TO
POINT
RIVER
MILE
RIVER
McLEAN
POINT
RIVER
MILE3)
3)
RIVER
SEGMENT
1I (ENTRANCE
SEGMENT
CHANNEL
TOMcLEAN
I
I
Dredging
DredgingNeeds
Leeds
Ir
II
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Maintenance
of
Maintenance
ExistingProjects
Projects
of Existing
of
federal maintenance
maintenance
of
According
to
S Army
According
to the
the UU.S.
ArmyCorps
Corpsof
of Engineers,
Engineers,federal
the authorized
authorized entrance
entrance channel,
channel, inner
channel upstream
upstream to
to McLean
McLean Point,
Point,
the
inner channel
is estimated
and the
turning basin
at McLean
McLean Point,
estimated to
to generate
generate
and
the turning
Point, is
basin located
locatedat
yards
approximately 13
million cubic
cubic yards of
of dredged
dredged materials
materials over
over the
the next
next
approximately
l3 million
years.
disposed
Historically,
this
material
has
been
disposed
in
an
off shore
20
years
in an off
shore
20
Historically, this materialhas been
the Environmental
Environmental
ocean disposal
for
disposalsite
for use
useby
bythe
ocean
whichis
is approved
approved
site which
Protection
ProtectionAgency
Agency.
the Port
by the
Port of
of
The
commercial
whichis
is operated
operatedby
TheNewport
Newport
corrercial boat
boat basin,
basin, which
year
20
will
require
maintenance
dredging
twice
over
the
next
20
year
over
the
next
dredging
twice
Newport,
Newport, will require maintenance
yards
period.
quantities
period Dredging
quantities are
are estimated
estimated at
at about
about 125,000
125,000
cubic yards
cubic
Dredging
for each
each maintenance
maintenance effort,
effort, for
for a
a total
total of
of 250,000
250,000 cubic
cubic yards
yards of
of
for
bottomsediments,
thesebottom
sediments,
material
of
material. Due
Dueto
composition
of these
to the
the chemical
chemicalcomposition
canbe
be
disposal
whererunoff
runoff can
disposalshould
land site
site where
shouldoccur
containedland
occuron
on aa contained
Iclosely
closely regulated.
regulated
permit to
27,000cubic
of
cubic yards
Newport Terminals
Terminals currently
currently has
a permit
dredge 27,000
yards of
to dredge
Newport
has a
Assuming that
this
that this
material
materialannually
bargeloading
loadingarea.
area. Assuming
annuallyfrom
fromits
its barge
planningperiod,
period, they
volume were
were to
would
they would
to continue
the planning
vo1ume
continuethroughout
throughoutthe
yardsof
generate
The facility
generate a
cubic
facility
a total
total of
of material
material. The
540,000
cubicyards
of 540,000
permit
to dispose
disposeof
of
manager
indicated
haveapplied
appliedfor
for aa permit to
manager
indicatedthat
that they
they have
by
currently used
usedby
disposalsite
site currently
those
materials in
off shore
thosematerials
the off
shoreocean
oceandisposal
in the
permit
the
will
that the permit will
they expect
expectthat
andthey
the
S Army
the UU.S.
ArmyCorps
of Engineers,
Corpsof
Engineers,and
receive
approvals
the necessary
receivethe
necessary
approvals.
generate
is expected
expectedto
to generate
The Embarcadero
Marina
The
east of
Port Dock
Embarcadero
Marinaeast
of Port
Dock77 is
planning
year
20 year planning
approximately
8,000
yards of
material during
during the
the 20
of material
approximately
8,000cubic
cubic yards
period.
period.
Constructionof
NewProjects
Projects
r Construction
of New
plansto
proceeding
600slip
slip.
The Port
is
with plans
to construct
constructaa 600
with
The
Port of Newport
Newport
is proceeding
Construction of the
marina would
would
the marina
Beach. Construction
small
small boat
boat basin
basinalong
SouthBeach.
alongSouth
yardsof
material.
365,000cubic
cubic yards
of material.
require
365,000
removalof
require the
the removal
of approximately
approximately
pipelinedredging
dredgingis
is the
the most
most
Due
shallowbottom
bottomconfiguration,
configuration,pipeline
to the
the shallow
Dueto
necessary
for the
the necessary
hasapplied
appliedfor
Port has
ThePort
cost
effective dredging
dredgingmethod.
method. The
cost effective
land.
pennitsto
28 acres
of adjacent
adiacentland.
permits
acresof
on 28
disposeof
the materials
materialson
to dispose
of the
to total
total
expected
Marinais
is expected
Maintenance
dredging
to
BeachMarina
SouthBeach
Maintenance
dredgingfor
for the
the South
planning
year planning
proiected20
yearsover
20 year
the projected
20,000
yards every
over the
five years
20,000cubic
cubic yards
everyfive
period.
period.
proiecteddredging
for River
RiverSegment
Table
the
11
needsfor
Segment
dredgingneeds
survnarizes
the projected
Table88 summarizes
year plan
plan time
20 year
frame.
during
during the
the 20
time frame
21
II
I1
TABLE
TABLE88
SEGMINT
RIVER
1
NEEDS
RIVERSEGMENT
I DREDGING
DREDGING
NEEDS
Land Disposal
Land
Disposal
Quantity
ty
Quanti
Project
Project
l1 .
Entrance
E n t r a n cechannel-turning
ch a n n e l -tu rn i n g
basin
b asi n maintenance
ma i n te n a n ce
2
2.
Commercial
Cornnercialboat
boat basin
basin
maintenance
maintenance
3
3.
Newport
NewportTerminals
Terminals
maintenance
maintenance
4
4.
5
5.
6
6.
13,000,000
cy
13,000,000
cy
250,000
250,000cy
cy
540,000 cy
540,000
cy
South
SouthBeach
BeachMarina
Marina
construction
c o n stru ctio n
365,000
cy
365,000
cy
South
SouthBeach
BeachMarina
Marina
maintenance
mai ntenance
80,000
80,000cy
cy
Embarcadero
Marina
Embarcadero
Marina
maintenance
maintenance
8,000 cy
8,000
cy
TOTAL
DREDGING
NEEDS
TOTAL
DREDGING
NEEDS
Ocean
Disposal
Disposal
Ocean
Quantity
Quantity
703,000
703,000cy
cy
13,540,000
1 3 , 5 4 0 , 0 0cy
c0y
Ocean
0
ce a nDisposal
D i sp o sa l
Dredged
materials
from channel
channel maintenance
maintenance have
historically
been
Dredged
ma
te ri a l s resulting
re su l ti n g from
havehistor
ically been
d
i s p o s edin
disposed
approved
ocean disposal
disposal site
site that is
located dir
directly
ectly
i n the
th e EPA
E P Aa
p p ro ve docean
is located
feet of
and
off shore
off
shore of
YaquinaBay.
Bay. The
The site
site is
is in
in approximately
60 feet
of water
water and
of Yaquina
approximately60
past records
past
yards of material have
disposed
700,000cubic
have been
beendisposed
records indicate that 700,000
cubic yards
material
annually
a n n u a l l yat
T h i s results
r esults in
in about
of dredged
dr edged
nateri al
a t that
th a t site
si te . This
aboutfour
four feet
feet of
year . According
being
b e i n g evenly
e ve n l y deposited
d e p o si te dover
the entire
entir e site
site each
Accor dingto
U.S.
o ve r the
eachyear.
to U.S.
Army
Army Corps
minimal long
changes in
Corpsof Engineers
Engineersrecords,
records, only minimal
in bottom
bottom
long term
tenn changes
t o p o g r ap h yhave
h a veresulted
that
topography
fro m disposal
disposalof
This suggests
suggeststhat
re su l te d from
the materials
of the
mater ials. This
m o s tof
most
o f the
th e materials
the disdisma te ri a l s deposited
d e p o si tedat the
out of
of the
the site
site are
ar e transported
tr anspor tedout
p o s a l area
place for
posal
R ec ent
a r e a . The
re s ting place
is unknown
unknown.Recent
T h eultimate
u l ti ma te resting
for this material
mater ial is
studies have
haveshown
disposal
studies
shownthat
that faunal
faunal disturbance
disturbanceof
in aa disposal
of the
the benthos
benthosin
a
r e a results
r e su l ts in
Ess enti al l y ,
area
alteration
community
structure
i n the
th e a
l te ra ti o n of the
the benthic
benthic com
m unity
str uctur e. Essentially,
the benthic
periodic change
benthic community
results
the
becomes
dependent upon
change which
which results
cornmunity
dependent
becomes
uponthe periodic
f r o m the
t h e disposal
from
d i sp o sa lof
ma ter ial. If
o f the
th e material
to
If the
the disposal
disposal materials
m ater ials are
ar e similar
sim ilar to
t h e site
s i t e bottom
b o tto mmaterials,
the
ma te ri a l s, then
th en only
only minimal
impactsoccur.
Thi s
m inima'long-term
longl
ter mimpacts
occur . This
a p p e a r sto
to be
b e the
th e case
th e current
appears
ca seat
cum ent ocean
a t the
oceandisposal
disposalsite.
site.
presently used
Thereis
is no
There
no indication
indication that
the presently
renderedunuseable
unuseable
that the
be rendered
usedsite
site will
will be
d u r i n g the
a r planning
p l a n n i n gperiod
per iod. Indeed,
during
year
t he 20
2 0 ye
Indeed,since
since the
benthic community
has
the benthic
cor ununi ty
has
already been
beenaltered
altered from
from its
its natural
natural state,
already
may be
continue use
state, it
it may
best to continue
be best
use of
of
t h a t site,
s i t e , rather
ra th e r than
that
th a n to
alter
communities.
to unnecessarily
u n necessar ily
alter additional
additional ocean
oceanconr nuni ti es .
22
2?
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Disposal
D i s p o s a Options
l0 p t i o n s
r
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Ir
Land
D i sp o sa l
L a n dDisposal
gener ally acceptable
T h esites
si te s listed
l i ste d in
i n Table
T a b l e 99 are
The
ar e generally
acceptablefor
for the
the disposal
disposa l of
d
r e d ge dma
dredged
materials
1.
te ri a 'l swithin
w i th i n River
River Segment
Segment
l. Each
Eachsite
discussedindividually
is discussed
ind i v i dual l y
site is
pages.
in
i n the
the following
fol'l owing pages.
ITABLE
TABLE99
- DISPOSAL
RIVER
SEGMENT
1I R
IV E R
S EGMENT
OPTIONS
DISPOSAL
OPTIONS
ISite
S i te No
No.
Approximate
Appr oxiTateCapacity
Capacity
I1
50,000
50,000
2
2
50,000
50,000
3
3
150,000
1
50,000
4
4
150,000
1
50,000
5
5
35,000
35,000
.|,000,000
6
6
1,000,000
TOTAL
TOTALCAPACITY
CAPACITY
i23
23
.|,435,000
1,435,000
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!:l::{::{::l::t:$
Dirponl
DispOSal
sltr
site
Per
lpher aldiking
diklng
Peripheral
I I " ..
diking
Inter ior dlking
Interior
111111111Natural
Natural barrier
barrier
[tt|lfl
I Outfall
0utfal I
point
Dtr Discharge
Dlscharge
point
-
pipe
'. Outfall
0utfall pipe
P Primary
Pr imar yfill
fill area
ar ea
P
s
fill area
area
Secondary
S Secondary
fill
0verflow
l Overflow
A
drainage
Surfacedrainage
Surface
R IIW
RHW
jr I
\ l1L___
L
ii'
2M.
CEMT
S.
o
t
N.
$
L
I
t
rils
rHS
(
o
\\
(l
:
-J
F
6
I.-
Plan
DisposalPlan
MaterialDisposal
Yaquina
Material
BayDredged
Dredged
YaquinaBay
Figure
Figure 11
4OO
Scale
1:400
Scatcl..r
24
?4
Wilsey&
Ham
Wilccy& Ham
t
*
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S I T E1I
SITE
I
( I l l u s t r a t e d on
(Illustrated
F i g u r e1)
o n Figure
l)
Site
S i t e Description
Description
L o c a t i o n :A
1y5 0 ' ssouth
outh o
Location:
Approximately
off the
p p r o x i m a t e l150'
p o n dand
t h e South
S o u t hBeach
B e a c hlog
1 o g pond
and
west
w
e st of
o f road.
ro a d .
Size:
Size:
3 5 0 ' xx 700'
350'
700'
yar ds, @@55 feet
Capacity
C a p a ci ty:50,000
5 0 ,0 0 0cubic
cu b i c yards,
feet depth,
depth, uncompacted
uncom pacted.
P h y s i c a lCharacteristics:
Physical
Characteristics:
T
h i s is
This
i s aa flat,
f l a t , active
a c t i v e dune
d u n eland,
land,
( l a n d cclearing
h a v i n ge
x p e r i e n c e recent
i s t u r b a n c e(land
having
experienced
disturbance
rde c e n t d
l e a r i n g and
and
l e v e ' l i n gby
b y removal
leveling
r e m o v aof
materia'l). T
The
ol f material).
h esoils
a r e dune
d u n eland
s o i l s are
land
material.
ma te ri a l . S
e a sonalfresh
fr esh water
Seasonal
water exists
exists on
on the
the south
southborder.
bor de r .
i s suspected
This
T h i s is
su sp e ctedto
to be
be surface
sur facerun-off,
r un- off, as
the source
as the
sour ce
c o u l dnot
could
n o t be
b e identified.
identified.
B
i o l o g i c a l Characteristics:
Biological
C h a r a c t e r i s t i c s : The
T h evegetation
v e g e t a t i o nis
i s comprised
c o m p r i s e of
d f tree
tree.
o
gr ass and
l u p i n e , beach
b e a chgrass
lupine,
bor deris
andshorepine.
shor epine. The
Thesouth
south border
is made
m ade
upp o
off a
and
u
a thick
th i ck riparian
ripar ian community
fr eshwatermarsh.
cor nmunity
andaa freshwater
m ar sh. Small
Sm al l
p o s s i b l yraccoon.
mamals
m a r u n ainclude
il n
s c l u d emice,
m i c e ,shrews,
s h r e w sand
,a n dpossibly
r a c c o o n . Various
Various
g r a s s vegetation,
bird
b i r d species
would
o u l duse
lupine-beach
grass
s p e c i e sw
u s e the
t h e lupine-beach
v e g e t a t i o n ,as
as
well
w e l l as
a s the
t h e riparian
r i p a r i a n thickets.
thickets.
Zoning:
Zoning:
Planned
marine
P
l a n n e dm
arine
C o mp re h e n siPlan:
vel a n : Planned
Comprehensive
marine
P
P l a n nedm
and recreation
r ecr eation
ar ineand
Ownership:
Private
ownership
Dodd and
and Kenneth
Stafferson
O w n e rsh i p : P
ri va te o
w n er ship-- Kenneth
KennethDodd
KennethStaffer
son
Engineering
E n gi n e e ri n gConsiderations
C o n si d e ra ti or lg
Method
M e t h o dof
o f Dredging:
D re d g i n g : Pipeline
P i p eline dredge
dr edge
prevent
Design
D e s i g nCriteria:
materials
C r i t e r i a : Dike
D i k e using
u s i n g on-site
a t e r i a l sas
on-site m
a s required
r e q u i r e dto
t o prevent
fl o o d i n g of
flooding
adjacent
land
and
maintain
approximately
100
foot
s etbac k s
o f a d j a ce n t land and m aintain appr oximately100 foot setbacks
p o nd. Retur
from
Returnnflow
may be
fro m edge
l o g pond.
flow may
dischar gedthrough
e d g eof
o f log
be discharged
thr oughaa
pni p e l i n e w
common
with
co
mmopipeline
boat
i th disposal
disposa' lSite 22 into
into deep
deepwater
water near
near the
the boat
basin.
b a si n . Discharge
D i sch a rg ewould
w ouldnot
not affect
either marsh
mar shor
or tideflat
tidef' lat areas.
ar e as .
affect either
Site
S
i t e Preparation:
P r e p a r a t i o n : Some
leveling
Some
m u s toccur.
M i n o rutility
u t i l i t y relocation,
relocation,
l e v e l i n g must
o c c u r . Minor
p o w e rlines
power
l i n e s and
a n d buried
b u ri ed telephone
cab1emay
maybe
berequired.
r equir ed. An
An
telephonecable
undercrossing
u n d e rcro ssi n gcasing
be
ca si n g for
for the
the South
SouthBeach
Beachaccess
accessroad
r oad will
will be
n e ce ssa ry.
necessary.
ard
$00 .77/cubic
Unit
Site
Unit S
i t e Preparation
P r e p a r a t i o nCost
Cost: $
7 7 l c u b i cyyard
potential for
Future
F u t u reUse
havepotential
U seConstraints:
C o n stra i n ts: None.
M ayhave
for stockpiling
stockpiling
None. May
off clean
o
as fill
cl e a n sand
sa n dfor
fo r later
l a ter removal
r em ovalas
fill material.
m ater ial.
25
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Environmental
Environmental Considerations:
Considerations
:
Disposal materials are expected
expected to
to come
come from
from the
Effects
Effects of
Disposal: Disposal
of Disposal:
pr obablyhave
South
ma ri n aand
a n d would
havelow
low toxic
toxic levels,
So u thBeach
wouldprobably
levels,
B e a chmarina
pr esentbiological
th e area
a re a would
r eestablishits
ttherefore,
h e re fo re , the
w o uldreestablish
its present
bio' logical
( 5- 7 years)
year s) period
per iodof
r ipar ian
condition
c o n d i ti o n within
w i th i n aa short
sh o r t (5-7
of time.
tim e. The
Theriparian
pr otected,as
vegetation
v e g e ta ti o nto
to the
th e south
so u thshould
shouldbe
be protected,
as the
the annual
annual
inhabitants
i n ha b i ta n ts are
a re concentrated
co n ce n tr atedwithin
within that
ar ea. Surface
fr eshthat area.
Sur facefreshp a sse sthrough
par t of the
and
water
w ate r also
a l so passes
th ro u ghthe
the southern
souther npart
the site,
site, and
p ro te cte dalong
Generalal
should
s h o u l dbe
the riparian
b e protected
a l o ng with
with the
r ipar ian vegetation.
vegetation. Gener
e f fe cts on
be short
loss.
effects
o n the
th e site
si te would
w o uldbe
shor t term,
ter m , without
without significant
significant loss
p l a ce me nof
r estr ict
The
h i g h l y toxic materials
mater ials on
T he placement
ot f highly
on the
the site
site would
wouldrestrict
future
iits
t s fu
tu re biological
b i o l o g i ca l development.
Re-vegetation
and reestablishment
d evelopment.Rer eestablishm ent
vegetationand
g ro u p swould
o f faunal
fa u n a l groups
cases.
of
r etar ded, and
r estr icted in
w o u l dbe
be retarded,
and restricted
in some
som ecases
placedon
to xi c ma
If
materials
I f highly
h i g h l y toxic
te ri als were
natur al
wer eplaced
the site,
site, future
on the
futur e natural
habitat
h
ab i ta t use
w o u l dbe
b e severely
r estr icted.
u se would
se ver el.yrestricted.
Other
O t h e rConsiderations:
Considerations:
p ro p e rty owners
plans
The
T h e current
c u r r e n t property
haveindicated
indicated that
futur e plans
o w n e rshave
that their
their future
p re c'l u d e
for
f o r the
its
material
th e site
si te preclude
i ts use
useas
as aa dredged
dr edged
disposal
m ater ialdisposal
t h e other
R i v e rSegment
ssite.
i t e , Since
S i n c ethe
o t h e r available
a v a i l a b l esites
s i t e s within
S e g m e1nI t
w i t h i n River
the
have
sufficient
capacity
meet
disposal needs
over the
h
a ve su
ffi ci e n t ca
p a ci ty to m
eetthe disposal
needsover
a rs, th
pr ior ity for
n
e xt 2
i s site
has been
for use
use.
next
200 ye
years,
this
given a low
si te has
beengiven
low priority
p' landesignations
this
The
plan
designationsfor
for this
T he current
cu rre n t zoning
zo n i n gand
a n d comprehensive
com pr ehensive
p l a n n e dmarine
placem ent
disposal
The placement
of
are
ssite
i te a
re planned
ma ri n eand
r ecr eation. The
of disposal
andrecreation.
pr ecludeeither
material
th e site
not preclude
either use,
but would
would
m ate ri a l on
si te would
w ouldnot
use, but
o n the
o stp o n e m ent
postponement
use until
materials
of that
that use
the fill
fi' ll m
ater ials
rresult
e su l t in
in a p
until the
h
ad sufficiently
had
su ffi ci e n tl y compacted
co mp acted.
tI
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( I l l u s t r a t e don
S
I T E22 (Illustrated
SITE
F i g u r e2)
2)
o n Figure
Site
Si t e Description
D e scri p ti o n
pr oposedSouth
Location:
L o ca ti o n : Approximately
southeast
A p p ro xi ma te l 800'
800'
y
southeastof
of proposed
SouthBeach
BeachBoat
Boat Basin
Bas i n
Size:
Size:
5 0 0 ' xx 400'
500'
400'
y ar ds, @@10
Capacity
5 0 ,0 0 0cubic
C a pa ci ty: 50,000
cu b i c yards,
l0 feet,
feet, uncompacted
uncom pacted
Physical
P h y s i c a lCharacteristics:
C h a r a c t e r i s t i c s : The
T h eSoil
S o i l Conservation
C o n s e r v a t i oService
Sn e r v i c ehas
has
d e si g n a te dthe
designated
th e area
duneland. The
ar ea an
an active
active duneland.
Thetopography
topogr aphy
p r o g r e s s i n gto
c o n s i s t sof
consists
o f aa series
s e r i e s of
o f low-lying
1 o w - l y i n gknolls,
k n o ' l ' l s ,progressing
t o aa
s i g n i f i c a n t "hill"
significant
t h e south
b o r d e rof
o n the
s o u t hborder
o f the
t h e site.
There
s i t e . There
" h i l l " on
a re no
n o freshwater
fre sh w atercreeks
are
cr eeksor
or saltwater
saltwaterchannels
channelson
the site.
onthe
site .
pondborders
A
Ann abandoned
a b a n d o n elog
ldo g pond
bor der sthe
the easterly
easter ly edge.
edge.
Biological
B i o l o g i c a l Characteristics:
Characteristics: A
f l o r a l community
A floral
c o m m u n i tconsisting
cyo n s i s t i n gof
of
shorepine,
willow,
s h o r e p i n e tree
,t r e e lupine,
lupine, w
i l l o w , European
E u r o p e abeachgrass
bne a c h g r a sand
asn d
p e a v i n eexists
p e r c h i n gbirds
(sparrows,
peavine
e x i s t s on
o n the
t h e site.
s i t e . Small
S m a l lperching
b i r d s (sparrows,
cchickadees,
h i c k a d e e sw
, a r b l e r s ,etc.)
u s e the
warblers,
e t c . ) use
t h e vegetation
v e g e t a t j o nfor
f o r food
food
a
n d shelter,
s h e l t e r , but
and
b u t are
n o t limited
l i m i t e d to
t o this
t h i s ecotype.
a r e not
e c o t y p e . Small
Small
ma mmausing
l ssi n g the
mammals
u
the area
ar ea may
mayinclude
include shrews,
m iceand
shr ews,moles,
m oles,mice
and
bats.
bats.
Zoning:
Z
o n i n g : Planned
P l a n n e dmarine
marine
Comprehensive
C o mp re h e n siPlan:
vel a n : Planned
P
andrecreation
P l a nnedmarine
mar ineand
r ecr eation
Ownership:
0 w n e rsh i p : Public
P u b l i c -- Port
P o rt of Newport
Newpor t
Engineering
E n g i n e e r i n Considerations:
g
C o n s i d e r a t i o n: s
Method
of
Method
o f Dredging
D r e d g i n and
ga n dFilling:
Filling:
Design
D
e s i g nCriteria:
Criteria:
Pipeline
dredge
P i p e fi n e dredge
Refer
l.
R e f e rto
t o Site
S i t e 1.
.|00'setback
pond
Provide
5 0 ' -- 100' setback near
P r o v i d e50'
n e a r log
l o g pond
Site
S i t e Preparation:
P re p a ra ti o n : Refer
R e fe r to
to Site
Site 1I
yard
Unit
Cost:
U n i t Site
S i t e Preparation
Preparation
C o s t : $0.75/cubic
$ 0 . 7 5 l c u b i cyard
Future
F u t u r eUse
U s eConstraints:
C o n s t r a i n t s : None
None
Environmental
Envi
ronmentalConsiderations:
Considerations:
p o ' l l u t e ddisposal
Effects
d i s p o s a lmaterials
E f f e c t s of
o f Disposal:
D i s p o s a l : The
T h eless
l e s s polluted
m a t e r i a l swould
w o u l dhave
h a v eonly
only
gr ass- lupinevegetation
a
a temporary
te mp o ra ryeffect
the area.
The beach
beachgrass-lupine
e ffe ct on
o n the
ar ea. The
vegetati on
ccommunity
o m m u n i tw
yo u l dreestablish
y e a r s time,
would
r e e s t a b l i s hitself
i t s e ' l f in
i n five
f i v e to
t o eight
e i g h t years
t i m e , if
if
gr oupswould
not
n
o t sooner.
so o n e r. Faunal
F a u n a lgroups
oveout
would m
move
of
the
area
during
out of the ar ea dur ing the
the
27
27
Dlsposal site
slte
l':l':{::lllt1Disposal
P e rl p h e ra ldiking
Peripheral
d i ki n g
r r r r Interior
---I n t e r i o rdiking
diking
IMIIUIHU Natural
Natural barrier
barrier
Uillil
I Outfall
Ou tfa l l
point
D
tr Discharge
Dischargepoint
ou,
.za,
."- Outfall
0utfall pipe
PiPe
P
P ri ma ryfill
P Primary
fi l l area
a re a
S
Secondary
S Secondary
fill
fill area
area
A
A Overflow
0verflow
--- Surface
Surfacedrainage
drainage
J
/
III
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3
--4
t
'G
t.
2'
3
\[f lN
YaquinaBay
Yaquina
Bay DredgedMaterial
Dredged Material Disposal
DisposalPlan
PIan
Figure 2
Figure
Scale 1..:4OO
1 :400
Scelc
28
?8
W.lsey&
Ham
Wilsey&Ham
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eriod, a
period,
and
would
not
until
began
ffilling
illing p
n dw
o u l dn
o t rreestablish
e e s t a b l i s hu
n t i l rrevegetation
e v e g e t a t i o nb
egan.
possibly be
Some
mammals
could
S o mespecies
sp e ci e sof
amm als
o f small
sma ll m
could possibly
bur ied during
be buried
dur ing the
the
disposal
d i s p o s a lstage.
s t a g e . Such
S u c hlosses
l o s s e swould
w o u l dnot
n o t be
b e considered
c o n s i d e r esignificant.
ds i g n i f i c a n t .
The
e a st side
T h e east
o f the
th e site
site should
be established,
established,through
si d e of
shouldbe
thr oughrevegetation
r evegetati on
p ra cti ce s , as
pr otect the
a n d diking
d i ki n g practices,
and
as aa buffer
buffer zone
zoneto
to protect
the nearby
near bylog
1og
p o n d s. The
p o n d sact
ponds.
T h e ponds
a ct as
as resting
r esting and
and feeding
feeding areas
ar eas for various
var ious
pondsis
sh o re b i rd sand
shorebirds
Rehabilitation of
a n dwaterfowl.
w a te rfowl. Rehabilitation
of these
these log
log ponds
is
portion
currently being
currently
as
a
being undertaken
undertakenby
by the
the Port
Port of Newport,
Newport,as a portion
pr oject.
of
o f the
th e South
S o u thBeach
B e a chmarine
m ar ineproject.
p o l l u t e d disposal
p l a c e don
T h em
o r epolluted
The
more
d i s p o s a lm
materials
a t e r i a l scould
c o u l d be
b e placed
o n the
t h e site
site
par
king
iif
f th
e si
te w
e si gnateda futur
e parking ar
the
site
was
future
area
trailer
a s ddesignated
ea or tr
ailer site,
site,
orr some
development.
o
so mesimilar
si mi l a r human
h u man
development.Polluted
Polluted materials
m ater ials could
couldretard
r etar d
re ve g e ta ti o nattempts,
revegetation
a tte mp ts,and
andthis
this would
wouldlimit
limit the
the future
futur e biological
biologic al
plannedfor
d
e ve l o p me nof
development
otf the
th e site.
site. The
The site
site is
is currently
cumently planned
for use
use
i n co
n j u n cti o nw
disposal of
in
conjunction
with
materials
i th disposal
of m
ater ials for
for the
the construction
constr uction
off the
o
th e South
S o u thBeach
B e a chmarina.
m ar ina.
IOther
OtherC
Considerations
o n si d e ra ti o n s:
plan
T
The
h e cu
current
rre n t co
comprehensive
and
mp re h e n si vplan
e
designationsfor this
and zoning
zoningdesignations
this site
p
l
a
n
n
e
d
a
l l o w planned marine
allow
Disposal of
ma ri n eand
andrecreation
r ecr eationuse.
use. Disposal
dr edged
of dredged
p r e c l u d esuch
m a t e r i a l son
materials
o n this
t h i s site
w o u l dnot
n o t preclude
u s e , and
s i t e would
s u c huse,
a n din
i n fact
fact
pr epar ationwhich
w o u l dallow
a l l o w for
would
the
fo r site
enhance
si te preparation
whichcould
could enhance
the future
futur e
u s e a b i l i t y of
useability
l a n d is
o f the
t h e site.
s i t e . The
T h e land
i s currently
the
c u r r e n t l y owned
o w n e by
db y the
P o rt of
o f Newport
Port
a n d it
i t is
is expected
expectedthat
that its
its use
will be
N e w p o rtand
use will
be complementary
comp' le m entar y
pr oject and
p' lanned
to the
th e South
S o u thBeach
to
marina
recreation
B e a chmar
inaproject
and other
other planned
r ecr eation
improvements.
improvements.
29
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( I l l u s t r a t e d on
S I T E33 (Illustrated
2)
SITE
o n Figure
F i g u r e2)
Site
S i t e Description
D e scri p ti o n
Location
L o c a t i o n : Just
Ju st South
S o u thof
0 re -Aqua,South
o f Ore-Aqua,
SouthBeach
Beach
'1050'x
Size
S i z e : 1050' x 500'
500'
'1 5 0 ,0 0 0
ya rd s
Capacity
C a p a c i t y: 150,000 cubic
cu b i c yards
Physical
Ph ysi ca lCharacteristics
This site
C h a ra cte ri sti cs: This
extendsfrom
site extends
fr om the
the beach
beachfront
fr ont
area
west
a re a on
th e w
si de to
to rolling,
o n the
e st side
r olling, active
active duneland
dunelandon
on the
the
east
e a st side
d u nesare
si d e . The
T h e dunes
ar e temporarily
tem por ar ilystabilized
by vegetation
vegetation .
stabilized by
No
water
N ow
a te r influence
i n fl u e n ce is
i s evidenced
evidencedin
in the
the area
ar ea. The
The area
ar ea contains
contains
p re vi o u sdredged
previous
d re d g e dmaterial
mater ial.
Biological
Bi
o lo g i ca l Characteristics
C h a ra cte ri sti cs: The
ofthe
The vegetation
the
vegetationis
is comprised
com pr isedof
grass-tree lupine
European
Europeanbeach
beachgrass-tree
lupine community.
mamals
cornnunity. Small
Small marmals
would
w o u l dinclude
i n cl u d e mice.
mi ce . Perching
Per chingbirds
bir ds use
ar ea for
for feeding
feeding
use the
the area
purposes,and
and resting
resting purposes,
and shorebirds
and
shorebirdsuse
beachfront
front
use the
the beach
p u rposes.
area
a re a for
fo r feeding
fe e d i n gpurposes
Zoning
Z
o n i n g : Marine
M a r i n e-- Planned
Planned
L
a n dUse
Land
U s eDesignation
D e si g n a ti o n : Planned
P l a n n edmarine
mar ineand
and recreation
r ecr eation
Ownership
O w n e r s hi p : Public
P u b l i c -- Port
P o rt of
o f Newport
Newpor t
En
g i n e e ri
Engineering
n g Considerations:
C o n si d e ra ti o n: s
M e t h o dof
Method
o f Dredging
D r e d g i n gand
a n dFilling
Filling:
Design
D e s i g nCriteria
Criteria:
Pipeline
P i p e l i n e dredge
dredge
Refer
R e f e rto
S i t e 1I
t o Site
Site
S i t e Preparation
Pr e p a ra ti o n : Refer
R e fe r to
to Site
S ite 1I
yard
Unit
U n i t Site
S i t e Preparation
P r e p a r a t i o nCost
C o s t : $0
$ 0 .24/cubic
2 4 l c u b i cyard
Future
Use
None
F
utureU
C o n stra i n ts: N
seConstraints
one
Environmental
E n v i r o n me n taConsiderations
Cl o n si d e ra ti o n: s
E f f e c t s of
Effects
o f Disposal
D i sp o sa l : This
T h i s area
a rea would
wouldexperience
exper ienceshort-tern
effects if
if
shor t- ter meffects
p l acedon
d r e dg ema
dredge
materials
te ri a l s were
w e replaced
on it
it. Natural
could
r evegetationcould
Natur al revegetation
p l a ce within
year s, with
t a k e place
take
of
fi ve to
to seven
sevenyears,
w i th i n five
with reestablishment
of
r eestablishment
g ro u p soccurring
t h e faunal
fa u n a l groups
the
o ccu rring concurrently
concur r ently.
30
30
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edgedm
ater ials placed
It
expected
that
dredged
materials
placed on
on this
this site
site
a t the dr
It is
xp e cte dth
is e
m ar ina
Beachmarina
the South
SouthBeach
of the
constr uctionof
would
fro m the
the construction
w
o u l dresult
re su l t from
project.
generatedfrom
of the
the marina
marina
from the
the maintenance
maintenance of
Materials generated
project. Materials
future
p l a c e don
u n l i k e l y that
t h a t future
I t is
i s unlikely
s i t e . it
o n this
t h i s site.
c o u l d also
b e placed
could
a l s o be
pollu ted
be polluted
m ar inawill
will be
SouthBeach
Beachmarina
fr om the
the South
maintenance
materials
ma
te ri a ls from
ma
i n te n a n ce
poseany
disposa'l
not pose
any disposal
shouldnot
they should
with
ther efor e they
w
i th heavy
me ta l s, therefore
h e a vymetals,
probl
em.
problem,
O
t h e r Considerations:
C o n si d e ra ti o n s:
Other
p' lanand
for this
this site
site
designationsfor
zoningdesignations
and zoning
The
plan
cu rre n t comprehensive
T h e current
co mp re h e n sive
dr edged
of
p l a n n e dmarine
Disposa'of
l dredged
use. Disposal
r ecr eationuse.
andrecreation
allow
ma ri n eand
a l l o w planned
pr ecludesuch
in fact
fact
andin
use, and
not preclude
suchuse,
materials
wouldnot
o n this
th i s site
si te would
ma te ri a l s on
the future
futur e
pr epar ationwhich
enhance
could enhance
whichcould
would
the
fo r site
a l l o w for
si te preparation
w o u l dallow
( a l t h o u g hpostponing
p o s t p o n i n gthe
o f use
use
t i m e of
t h e time
useability
off the
t h e site
s i t e (although
u
seability o
Theland
hadoccurred.)
land is
is
occur r ed.) The
om pactionhad
n d ccompaction
until
and
u
n ti l settling
se ttl i n g a
expectedthat
that
it is
is expected
and it
Newportand
Port of
of Newport
currently owned
owned by
by the
the Port
curyently
complex
ar inacomplex
Beachm
the South
SouthBeach
toy the
its
will
marina
b e complementary
co mplem entarto
i ts use
u se w
i l l be
plannedrecreation
improvements.
recreation improvements.
and other
and
other planned
t
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( I l l u s t r a t e d on
S I T E44 (Illustrated
SITE
o n Figure
F i g u r e2)
2)
1
Site
S i t e Description
Description:
Location:
L o c a t i o n : Imediately
In me d i a te least
ye a stand
a n dsoutheast
southeastof
of the
the Marine
M ar ineScience
ScienceCenter,
Center ,
South
S
o u thBeach
B e a ch .
Size
S
ize: 6
0 0 ' xx 900'
900'
600'
ya rd s
Capacity
C a p a c i t y : 150,000
1 5 0 ,0 0 0cubic
cu b i c yards
pr edominantly
Physical
P
h y si ca lCharacteristics:
The site
site is
is predominantly
C h a ra cte ri sti cs: The
flat
flat and
andlies
lies
fe e t above
only
mean
o n l y aa few
fe w feet
a b o v em
eanhigher
higher high
is an
an old
high water
water . It
It is
old
year sago.
fi
fill
'l l site
which
si te w
h i ch was
usedextensively
ten years
w a sused
extensivelyover
over ten
ago. The
The
m ater i al
eastern
e a ste rnborder
b o rd e rof
o f the
th e site
site faces
facesIdaho
andfill
fill material
ldahoTide
TideFlats
Flats and
b ehindthe
fr eshwa ter
would
w o u l dbe
b e contained
co n ta i n e dbehind
the high
high water
line. No
No freshwater
waterwash
washline.
fl o w occurs
o ccu rswithin
w i th i n the
the site
flow
site boundaries.
boundar ies
lupinen
t r e e lupine,
Biological
B i o l o g i c a l Characteristics
T h evegetation
v e g e t a t i o nconsists
c o n s i s t sof
o f tree
C h a r a c t e r i s t i c s : The
p e a vi n e ,aand
ass conununities,
wer eestaestapeavine,
European
beach gr
grass
comunities, which
u ro p e an
beach
nd E
whichwere
p r e v i o u sfilling.
Small
mamals,
a s mice
mice
blished
b
l i s h e d after
a f t e r the
t h e previous
filling.
S m a l lm
a n r n a lsuch
ss,u c has
per chingbirds,
bir ds n
and
a n d rabbits,
ra b b i ts, may
ma yuse
u se the
the area
extensively. Small
ar ea extensively
Smallperching
esting an
such
ass th
the
and war
warbiers,
use such
areas
for rresting
andd
su ch a
e sparrows
sp a rro w sand
bler s, use
such ar
eas for
feeding
fe
e d i n g . The
l a rg e r shrubs
bor der act
act
T h e larger
shr ubsthat
that exist
exist on
on the
the eastern
easter nborder
as important
important buffers
in the
the Idaho
Idaho
as
buffers for
for water
that feed
loaf in
water birds that
feed or loaf
Tide
Ti de Flats.
F'lats .
Zoning
Z
o n i n g : Marine
M a r i n e-- Planned
P l a n n e A-i
dA - l
Comprehensive
P
C o m p r e h e n siPlan
vel a n :
Planned
marine
P
l a n n e dmar
ineand
and recreation
r ecr eation
Ownership
P u b l i c--Ore g oState
n
S ta te University
O w n e r s h ip :Public--Oregon
Univer sity
Marine
Ma ri n eScience
S cienceCenter
Center
Engineering
E n g i n e e r in gCharacteristics
C h a ra cte risti cs :
Method
Pipeline
Dr edge
M e t h o dof
o f Dredging
D re d g i n g : P
i p e l i n e Dredge
e dged
Design
Dikes
using
on-site
materials
as rrequired
contain dr
dredged
D e s i g nCriteria:
si n g onsite m
ater ials as
C r i te ri a : D
i ke s u
equir ed to contain
pr eventspillage
materials
m a t e ri a l s until
to prevent
within
u n ti l dewatered
d e w a te re and
dandto
spillage of
of materials
m ater ials within
100
Returnnflow
be diverted
diver ted
1 0 0 feet
f e e t of
im pr ovem ents.Retur
flow should
o f tidelands
ti d e l a n d s and
a n dimprovements.
shouldbe
north
north to
channel.
to the
the deep
deepwater
water channel
g ro u n dleveling
Site
leveling m
must
be accomplished
Si t e Preparation
P r e pa ra ti o n : Some
ust be
accom plished..
S o meground
yca r d s
Unit
P r e p a r a t i o nCost
C o s t : $0
U n i t Site
S i t e Preparation
$ 0 .30/cubic
3 O / c u b iyards
Future
Use
F
u t u r eU
None
s eConstraints
C o n stra i n ts: None
32
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Environmental
Environmental
Considerations
Considerations
Effects
This
ann o
old
area
which
established
E f f e c t s of
o f Disposal
Disposal: T
is a
l d ffill
ill a
h i s site
s i t e is
reaw
h i c hhas
hase
stablished
past ten
years. The
community
over
a lupine-beachgrass
lupine-beachgrass
community
over the
the past
ten years.
The area
area is
is
o o de
good
example
off w
what
can be
be expected
expected to happen
happen on
on old fill
fill land
landss
a g
xa mp l eo
h at can
p r o c e s s e s . If
i f left
if
were
l e f t to
I f the
t h e site
f i 1 l e d again
t o natural
n a t u r a l processes.
site w
e r efilled
a g a i nwith
with
r e l a t i v e l y cclean
it w
relatively
dredged
materials,
would
leand
r e d g e dm
a t e r i a l s , it
o u ' l drreestablish
e e s t a b l i s ha ssimilar
imilar
vegetation
vegetation comrnuni
ty.
conrnuni
ty.
Thee e
east
and
south
site should
should be
be developed
developed into bu
buffer
Th
a st a
n d so
u th sides
si des of the site
ffer
p ro te ction belts
zo n e sto
to act
for the
zones
a ct as
a s protection
belts for
the Idaho
IdahoTide
Tide Flats.
F' lats. The
Thetide
ti de
f'l a ts are
a re used
flats
u se dextensively
e xte n sivelyby
by shorebirds
shor ebir dsand
andmigrating
m igr atingwaterfowl,
water fowl ,
protected from
Iand
interference.
and therefore
therefore should
from human
human
interference.
should be
be protected
Other
C o n si d e ra ti o n s
0 t h e r Considerations
pl anned
designatesthe
the site
The
Plan
T h e current
Plan designates
site for
for planned
c u rre n t Lincoln
L i n co l n County
C o u n tyComprehensive
Com pr ehensive
disposa' lof dredged
marine
m a r i n eand
a n d recreation
re cre a ti o nuse.
the site
site for
for the
the disposal
dredged
The use
use of the
u se . The
p re cl u dethat use,
postponefuture
m a t e r i a l s would
it would
materials
w o u l dnot
n o t preclude
use, although
wouldpostpone
futu r e
althoughit
had
cconstruction
o n s tru cti o nuntil
n e c essar ycompaction
com paction
hadoccurred.
occur r ed. The
Thesite
site is
is
u n ti l the
th e necessary
currently
c u r r e n tl y under
u n d e rthe
Or egonState
State
th e ownership
o w n e rs hipof the
the State
State of Oregon,
Or egon,Oregon
University.
Placement
of
dredged
materials
on the site
site does
does not confl
conflict
ict
U
n i v ersi ty. P
edgedmater
ials on
l a ce me no
t f dr
p l a n sfor
w i t h their
with
t h e i r future
f u t u r e plans
f o r site
s i t e use.
use.
t
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3
.
-
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SF
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rtn,
2ND
ST
z N D ST
11
1
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SE
3RD 5T
SE
4TN ST
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tit
II
II
____I
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ST
T'1
cv
-
d-
/----
-
:Vt1 :i<
P
l'l
S=-El
':l::tl':l':t':tl
Disposal
D
l sp o sa site
lsi te
eN
pipe
.zL
'' Outfall
outfall pipe
P Primary
P
Pr im ar yfill
fill area
ar ea
$ Secondary
fill
Secondary
fill area
area
S
A Overflow
A
0verflow
--- Surface
Surfacedrainage
drainage
Peripheral
P e ri p h e ra diking
ld i ki n g
r...ttt
diking
Interior
I n t e r i o rdiking
rufmf
IlISIlIHINatural
Natural barrier
barrier
t
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"d
MLT
I
t
Outfall
OutfalI
point
o Discharge
Dischargepoint
tr
Yaquina
Material
DisposalPlan
Plan
BayDredged
Dredged
MaterialDisposal
YaquinaBay
Figure
Figure33
34
34
Scale
400
1":4OO'
Scale1":
Wilsey& Ham
Ham
Wifsey&
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( I l l u s t r a t e d on
S I T E55 (Illustrated
SITE
F i g u r e3)
o n Figure
3)
S i t e Description:
Site
Description:
Location
L
o c ati o n : P
o rt o
N e w p orDocks
t
Port
off Newport
3, 7
Docks
and 9,
7 and
9; Newport
Newpor t
.|200'
Size:
S i z e : 1200' xx 200'
200'
ards, a
Capacity
C a p a c i t y : 35,000
3 5 , 0 0 0cubic
c u b i c yyards,
att a 2
addition
existing
ground
2 . 5'
5' a
round
d d i t i o n to
t o the
the e
xisting g
level.
level.
P h y s i c a lCharacteristics:
Physical
C h a r a c t e r i s t i c s : This
p r e v i o u sfill
T h i s area
a r e a is
i s aa previous
f i l l site,
s i t e , which
which
par king lot
h a s been
b e e nma
i n ta inedas
has
maintained
as a parking
and storage
area
for th
the
lot and
stor age ar
ea for
e
p
o rt docks.
port
d o cks.
Biological
B i o l o g i c a lCharacteristics:
C h a r a c t e r i s t i c s : There
a r e no
T h e r eare
n o biological
b i o l o g ' i c a characteristics
lc h a r a c t e r i s t i c s
p l a n s stay
t o consider,
c o n s i d e r ,if
i f fill
f i l l plans
to
mean
water
s t a y above
a b o v em
h i g h e r high
e a nhigher
high w
ater.
IZoning:
Z o n i n g : Industrial
Industrial
Comprehensive
C o m p r e h e n sPlan:
iPvlea n : Marine
M a r i n eIndustrial
Industrial
Ownership
0
w n ersh i p : Public
P o rt of Newport
P u b 'l i c-- Port
Newpor t
Engineering
E n g i n e e r i n Considerations
g
C o n s i d e r a t i o n: s
IMethod
M e t h o do
off Dredging
D r e d g i n gand
a n dFilling
Filling:
Pipeline
P i p e l i n e Dredge
Dredge
Design
D e s i g nCriteria:
C r i t e r i a : Limited
L i m i t e dfilling
f i l l i n g using
u s i n gonly
o n l y clean,
,s a n d ymaterial
c 1 e a n dense,
,d e n s e sandy
material
m a ybe
fo r future
may
b e beneficial
b e n e fi ci a l for
futur e site
site use
use. The
The existing
would be
existing use
use would
be
te
mp o ra ri l ydisplaced
d i sp l a ce duntil
temporarily
dewater
and
be
compacted.
newfill
fill can
until the
the new
dewater
and
can
be com pac ted.
IReturn
R e tu rnfl
o w should
flow
directed
deep water
water outside
outside the
sh o u l d be
b e dir
ected to deep
the basin
basin.
Site
Si t e Preparation:
Pre p a ra ti o n : Relocation
R e l o cationof
and
of improvements
impr ovem ents
andstored
equipment. Construct
stor edequipment.
C ons tr uc t
p r eventstreet
di ke s sufficient
dikes
su ffi ci e n t to
to prevent
str eet flooding
flooding and
djr ect return
and direct
r etur n flow
flow to
to
pipe. E
s p i l l w a y and
Ispillway
a n doutfall
o u t f a l l pipe.
Extend
x t e n dexternal
e x t e r n a lrip
r i p rap.
rap.
yard
Site
S i t e Unit
U n i t Development
D e v e l o p m eCost:
C
n to s t : $0.60/cubic
$ 0 . 6 0 / c u b i cyard
IDredging
yar
D r e d g i n gCost:
C o st: Approximately
A p p ro xi mately
$2.00/cubic
yardd
$2.O0/cub' ic
F
u t u re U
Future
Use
seConstraints
C o n stra i n ts: None
None
Environmental
En v i ro n me n taConsiderations
Cl o n si d e ra ti ons
:
E f f e c t s of
Effects
o f Disposal
D i s p o s a l : No
N o biological
b i o l o g i c a l effects
e f f e c t s could
c o u l dbe
b e expected
e x p e c t e in
di n this
t h i s site,
site,
proximity.
a
t h e r e are
ass there
a r e no
n o established
e s t a b l i s h e dbiological
b i o l o g i c a l communities
i sn close
c o m m u n i t i ein
c l o s e proximity.
p a r k i n glot
' l o t and
T
h ea
r e a is
i s used
u s e das
a s aa parking
The
area
a n d storage
a n d is
s t o r a g earea
a r e a and
i s denuded
d e n u d eof
od f
vegetation.
Ivegetation
t
I35
35
-
Other
Considerations
Other Considerations
the Lincoln
Lincoln
The
marine
d e si g n a tedfor
for mar
ineindustrial
industr ial use
in the
s i t e is
use in
T h e site
i s currently
cu rre n tl y designated
of the
disposal of
dredged
County
Plan.
Comprehensive
Plan. Use
the site
for the
the disposal
of dredged
CountyComprehensive
Use of
site for
p re cl u d ethat
Par kingis
materials
futur e use.
shor t
m
a t e r i a l s would
w o u l dnot
n o t preclude
use. Parking
is currently
cur r ently in short
th at future
for disposal
disposal activities
activities
supply
a l o n g the
fro n t and
of this
this site
site for
th e bay
b a y front
a n d use
use of
s u p p l y along
p a rki n g use
had occurred
occur ed.
would
and repaving
r e mo veit
until settling
r epavinghad
i t from
fro m parking
u se until
settling and
w
o u l dremove
pr ior ity for
as
for use
use as
Due
given a low
t o these
has been
low priority
D u eto
t h e se circumstances,
ci rcu msta n ce s,Site
S i te 55 has
beengiven
the Port
Port
a future dredged
The site
owned by
dredgedmaterial disposal
disposal site
site. The
is owned
by the
site is
are not
not
of Newport,
disposal and
and other
other uses
uses are
Newport,therefore
therefore conflicts
conflicts between
betweendisposal
expectedto
expected
to occur
occur.
I
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( I l l u s t r a t e d on
S I T E66 (Illustrated
SITE
o n Figure
F i g u r e4)
4)
Site
S i t e Description:
Description:
Location:
McLean Point.
Location: McLean
Point.
Plant;
P l a n t; Newport.
N e w p o rt.
Size:
Size:
SunsetTerminals,
Termina'ls , Caffel
Sunset
LNG
Caffel Lumber
LumberCompany,
Company,
LNG
.|600'
1600' xx 2400'
2400'
( 5 feet,
y a r d s (5
Capacity:
C a p a c i t y : 1,000,000
I , 0 0 0 , 0 0 0cubic
c u b i c yards
f e e t , uncompacted)
uncompacted)
Physical
P h y s i c a lCharacteristics:
C h a r a c t e r i s t i c s : The
T h earea
a r e ais
i s recent
f i l ' l e d land.
r e c e n tfilled
l a n d . The
T h' leosite
sgi t e
i s flat,
f l a t , and
a n d maintained
is
as
maintained
a s aa loading/unloading
l o a d i n g / u n l o a d i nterminal;
tge r m i n a l ;log
pavedaccess
sto ra g earea,
storage
site.
a re a , and
a nd future
futur e development
developm ent
site. AA paved
accessroad
r oad
e
x i s t s along
exists
a l o n gthe
t h e easterly
e a s t e r l yedge.
edge.
Biological
B
i o l o g i c a l Characteristics:
C h a r a c t e r i s t i c s : As
A s long
l o n g as
a s all
f i l l material
a l l fill
m a t e r i a lremains
remains
i s o l a t e d from
f r o m the
isolated
t h e water's
w a t e r ' s edge,
e d g e ,no
n o biological
b i o l o g i c a l characteristics
characteristics
mu stbe
must
b e considered.
co n si d er ed.
Zoning:
Z o n i n g : Marine
M a r i n eIndustrial
Industrial
Comprehensive
C
o m p r e h e n s Plan:
iPv Iea n : Marine
M a r i n eIndustrial
Industrial
Ownership:
Corporate
O w n e rsh i p : C
o rp o ra te-- Sunset
S unsetTerminals
Ter minals
E
n gni e e r i n gConsiderations:
Engineering
C o n s i d e r a t i o n: s
M e t h o dof
Method
and
o f Dredging
Dredging
a n dFilling:
Filling:
Pipeline
P
i p e l i n e Dredge
Dredge
p h a s e don
Design
D e s i g nCriteria:
C r i t e r i a : May
M a ybe
b e phased
multiple
o n use
u s e of
of m
u l t i p ' l ecells
c e l l s with
single
w i t h a single
p
o
n
d
,
p
i
p
e
.
s e c o n d a rpond,
y
secondary
spiliway
s p i l l w a yand
a n doutfall
Provide
o u t f a l l pipe. P
r o v i d ea setback
s e t b a c kalong
along
th e easterly
the
e a ste rl y access
a cce ssroad.
road. Reser
Reserveveinternal
cell for
for disposal
disposal of
of
inter nal cell
commercial
co rrn e rci a boat
lb o a t basin
b a si n sediments.
sediments.
Site
S i t e Preparation;
P r e p a r a t i o n ; Construct
C o n s t r u c containment
tc o n t a i n m e ndikes
dt i k e sfrom
f r o mon-site
o n - s i t e materials.
materials.
D i re ct return
re tu rn flow
fl o w to
to deep
deepwater
Direct
waterchannel
channelwest
westof
of turning
tur ningbasin.
basin.
yard
Site
S i t e Unit
U n i t Development
D e v e l o p m eCost:
C
n to s t : $0.10/cubic
$ 0 . 1 0 / c u b i cyard
yar
Dredging
D r e dg i n gCost:
C o st: A
Approximately
p p ro xi mately
$2.00/cubic
yardd
$2.OO/cubic
Future
F u t u reUse
U seConstraints:
C o n stra i n ts: None
None
E n v ro
i n me n taConsiderations:
l o n si d e ra tions:
Environmental
C
Effects
E f f e c t s of
o f Disposal:
D i s p o s a l : This
T h i s large
l a r g e area
a r e a is
i s devoid
d e v o i dof
o f vegetation.
v e g e t a t i o n . Most
Most
t h e site
of
materials,
o f the
s i t e is
i s used
u s e dfor
f o r log
l o g storage,
s t o r a g e ,transporting
t r a n s p o r t i n gof
o f shipping
s h i p p i n gm
aterials,
37
37
III
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=--- ;?---f
L
a
a
.'J.'JJJJJ.1"1
Disposalsite
Per ipher aldi k i ng
IIII
Interior diking
mmalf Natur al bar r ier
t 0utfal I
tr Dischargepoint
o
r/
;
I
I
.+
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I
/
OutfalI pipe
P Pr imar yfill ar ea
s Secondaryfill area
A Overflow
Surfacedrainage
Yaquina
Bay Dredged
Dredged Material
Material Disposal
DisposalPlan
Plan
YaquinaBay
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Figure 4
Figure
400
Scale 11":4OO'
Scale
38
38
WiIsey&
Ham
Wilsey& Ham
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vegetation
in
ioncommunities
com m unities
in existence.
existenc e.
and
an d open
T h er eare
ar e no
no vegetat'
o p e nstorage.
sto ra g e . There
Any
of
the
area
would
necessarily
be
of
a
highly
mobile
A n y faunal
fa u n a l use
th
e
ar
ea
would
necessar
ily
be
of
a
highly
mobi l e
u se o f
by
character
and
would
most
likely
be
capable
of
avoiding
destruction
ch a ra cte r a n d w o u l dmost likely be capableof avoiding destr uctio n by
Ifill
f i l l material.
material.
Other
Considerations:
0
t h e r Considerations:
pur poses ,
currently
used for
marine
being used
for mar
industr ia' l purposes,
IMuch
M u c hof the
th e site
ineindustrial
si te is
i s cu
me ntly being
p o rti o n of
for log
Pl ac em ent
in use
log storage.
stor age. Placement
and
l a rg e portion
th e area
ar ea in
useis
is utilized
utilized for
a
n d aa large
o f the
to
tempor ar yinconveniences
inconvenienc es
off d
dredged
materials
onn this
could cause
cause temporary
to
r ed g e dma
th i s site
site could
o
te ri a l s o
betw een
and coordination
coor dinationbetween
the
Close cooperation
cooper ationand
t h e current
c u rre n t industrial
i n d u stri a l operations.
o p e r ations. Close
i n order
the
off Newport
Terminals
m anagement
will be
be necessary
necessaryin
or der
t h e Port
P o rt o
S unsetTer
minalsmanagement
will
N e w p o rtand
a n d Sunset
Ito
t o maximize
m a xi mi zethe
the site.
th e efficient
e ffi ci e n t use
useof
of the
site.
of
edgedmateri
al s
that
site for
for the disposal
disposal
of dr
dredged
materials
s eexpected
xp e cte dth
a t uuse
IIt
t iis
se ooff the site
' lease
between
could
accomplished
between
or lease agreements
agr eements
be a
cco mp l i sh ethrough
d ro ugheither
either easement
easement
c o u l d be
th
land is
is currently
cur r e ntl y
The land
the
t h e Port
P o rt of
S unsetTerminals
Ter minalsownership.
owner ship. The
o f Newport
N e w p o rtand
a n dSunset
plan. Use
the
o f the
Useof
designated
plan.
in the
the comprehensive
d
e s i g n a te dfor
fo r marine
usein
compr ehensive
ma ri n eindustrial
i n d u str ial use
no long
long term
ter m impacts
impac ts
haveno
site
disposal
off d
dredged
materials
would have
fo r the
r edgedmater
ials would
th e d
i sp o sa l o
s i t e for
or
inconven i enc es
oper atinginconveniences
upon
could cause
cause short-term
or
th a t use,
i t could
shor t- ter moperating
u p o nthat
h o w e ve r,it
u se ; however,
of dredged
p o s t po n e meof
n ft some
plans. Placement
on
dr edgedmaterials
mater ial s on
Placement
postponement
plans.
d e ve l opm ent
o
so medevelopment
that
futur e facilities
facilities that
of future
the
effect on
on the
the types
types of
t h e site
s ite should
sh o u l d not
n o t have
h a veany
a ny effect
would
th e site.
site.
w o u l dbe
b e constructed
co n stru cte don
o n the
t
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39
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Surmarv&& Recommendations
Summary
Reconrnendations
It is
It
is expected
expected that
that the
the dredged
dredged materials
materials generated
generated within
within the entrance
entrance
c h a n n e land
an d turning
tu rn i n g basin
b a si n w
channel
will
i l l continue
continueto
to be
be disposed
disposedin
in the
the existing
existing
off shore
ocean disposal
off
shore ocean
disposal site
site. Therefore,
approximately703,000
Therefore, approximately
703,000cubic
cubii
y a r d s of
yards
o f material
ma te ri a l will
w i l l require
re q u i reland
landdisposal.
disposal. Of
0f this
this total,
total, 258,000
ZSB,000
cf!!c
cubic yqlds
yards of
of dredging
dredging would
would occur
occur along
along the north
north shore
shore of
the bay,
bay,
of the
ya rd s would
w h i l e 445,000
4 4 5 ,0 0 0cubic
cu b i c yards
w o uldresult
while
r esult from
fr om the
the construction
constr uctionand
andmainm aintenance
tenance of
of the
the South
SouthBeach
BeachMarina.
Marina. The
total estimated
estimatedcapacity
The total
the
capacity of the
(si te s 55 and
n
o r t h shore
s h ore sites
si te s (Sites
a n d 6)
6) is
ds,
north
yards,
is estimated
estim atedat 1,035,000
1,035,00bcubic
cubic yar
pr ojecteddisposal
s u b s t a n ti a l l y above
a b o vethe
th e 258,000
2 5 8 ,0 00projected
substantially
disposalneeds.
needs. The
majority
The m
ajor ity
dredgedmaterials
of dredged
materials would
wouldresult
result from
of
dredging
from the
the maintenance
maintenance
dredgingof
theof the
corunercial
comercial
boat
boatbasin.
basin. It
It is
is recorsnended
recommended that
that these
these materials-be
materials be placed
placed
p re l i mi n a rysediment
o n Site
Si t e 6,
6, since
si n ce preliminary
on
sedim entsamples
sam plesindicate
indicate that
m ater ial
that the
the material
n o t be
w o u l dnot
b e suitable
su i ta b l e for
fo r ocean
would
o ce andisposal
disposal and
andwould
wouldrequire
r equir e aa confined
confined
upland
u
p l a n ddisposal
d i sp o sa l site
si te . Use
U seo
Site 66 will
off Site
will require
r equir e close
close coordination
coor dinationand
and
property owner
cooperationwith
with the
the property
cooperation
inownerto
to ensure
ensurethat
that the
the existing
inexisting
dustrial operations
dustrial
operationsare
are not
not
intemupted. Since
Since the
the capacity
capacity of
.I,0 unduly
0unduly
0 ,000interrupted.
S i t e -66 is
i s approximately
yar ds, and
a p p ro xi ma te l y1,000,000 cubic
Site
cubic yards,
and the
the disposal
disposalneeds
needs
are 125,000
125,000cubic
cubic yards
every ten
ten years,
are
yards every
years, the
the Port
Port of Newport
be
Newportshould
shouldbe
a b l e to
t o coordinate
co o rd i n a teuse
u se of
o f Site
able
of
S i te 66 without
without significant
significant interruption
intem uption of
e x i s t i n g industrial
i n d u stri a l uses,
u se s, or
pr oper tyowner.
i nconvenience
existing
to
o r inconvenience
to the
the property
owner .
The
dredgedmaterials
resulting from
The dredged
materials resulting
dredging
from the
the maintenance
maintenance
dredgingat
at the
the
E m b a r c ad e Marina
ro ri n acould
p l acedon
Ma
co u l d be
b e placed
Embarcadero
6,
or
could
on either
either Site
site 55 or
or 6,- - could be
be
h a u l e dby
b y truck
tru ck to
hauled
to an
u p l a n ddisposal
a n upland
par king
d isposalsite.
site. Because
Because
of
of the
the parking
r e l o c a t i o n that
th a t w
o u l dresult
re su l t from
fr om the
relocation
would
the use
use of
of Site
5, that
Site 5,
has-aalow
low
that site
site has
p r i o r i t y for
quantities of dredged
fo r use,
u se , unless
u n l e ss small
sma l l quantities
priority
could
be
dr edgedmaterials
mater ials could be
p o rti o n of
cconfined
o n f i n e dto
to aa limited
l i mi te d portion
of the
the site.
site.
The capacity
capacity of
of the
the dredged
dredgedmaterial
material disposal
disposal sites
The
sites on
on the
the south
southside
side of
of
the bay
bay is
about 400,000
yards uncompacted
is about
400,000cubic
cubic yards
uncompacted.Estimates
Estimatesindicate
indicate
that
of the
that the
the construction
construction of
the South
generateabout
SouthBeach
BeachMarina
Marinawill
will generate
about
ya rd s of
3 6 5 , 0 0 0cubic
c u b i c yards
365,000
activities
o f dredged
d re d g edmaterials,
mater ials, while
while maintenance
maintenance
activities
ye a rs will
o v e r the
t h e next
ne xt 20
2 0 years
over
w i l l result
re sult in
in the
the disposal
disposa]of
of an
an additional
additional
rd s, at
8 0 , 0 0 0cubic
yar
ds
c u b i c ya
a t the
year s.
th e rate
80,000
yards,
yards
every
ra te of
of 20,000
20,000cubic
cubic
ever yfive
five years.
T h e existing
e x i s t i n g capacity
yar dsis
ca p a ci tyof
o f 365,000
3 6 5 ,000cubic
The
on
an
uncomcubicyards
is measured
measur ed
on an uncom p a c t e dbasis,
b a si s, and
a n d if
i f material
ma te ri a l is
pacted
before
is allowed
allowedto
compact
to compact
befor eadditional
additional
d i s p o s a l occurs,
th e capacity
disposal
occu rs, the
ca p a ci ty of the
the sites
sites would
wouldbe
be increased.
Mainincr eased. M
aintenancedredging
dredgingwould
years after
wouJdnot
not be
be required
tenance
required until
until 55 years
the marina
marina
after the
began
b
e g a noperation.
o p era ti o n . T
h i s time
This
ti me lapse
l a pse would
wouldallow
am pletime
allow ample
tim e for
for compaction
com paction
of the
the construction
construction materials
materi'alsso
of
materials
so that
that maintenance
maintenance
materials could
could be
be
placed on
previous disposal
year interval
on those
those previous
disposal sites.
placed
sites. The
Thefive
five year
interval between
between
e a c hm
a i nte n a n ce
d re d g i n gaction
each
maintenance
dredging
a cti on would
wouldallow
allow for
for continued
continuedsettling
settling and
and
c o m p a c t i o nso
, that
th a t the
so
th e maintenance
ma i n tenance
compaction,
sites
sites could
could be
be reused
r eusedand
their
andtheir
c a p a c i t y increased.
capacity
i n cre a se d .
property owners
The
ownersof
of Site
The property
Site #1
haveindicated
indicated that
#l have
that they
they have
development
havedevelopment
p
l
a
n
f o r that
th a t site
si te which
w h i chare
not compatible
planss for
a re not
com patiblewith
use of
with use
site for
for
of the
the site
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For that
the
t h e disposal
d i sp o sa l of
d re d g e dmaterials.
that reason
Site #1
is desdeso f dredged
mater ials. For
r easonSite
#l is
p ri o ri ty site.
o s s i b l ethat
It iis
possible
s p
t h a t site
ignated
i g n ate das
a s aa low
l o w priority
site. It
t h a t use
u s e of
o f that
site
planningperiod,
year planning
per iod, if
would
during the
20 year
if compaction
wouldnot
not be
be required
the 20
compa c ti on
required during
i n cr easedthe
capacity of
the remaining
of
o f disposal
d i sp o sa l materials
ma te ri a l s increased
the capacity
of some
of the
remaining
someof
sites.
si tes .
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RiverSegment2
I
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j.
\\
11_
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ta
f_lw
I
1IT11LJI
Pfan
DisposalPlan
Yaquina
Material
MaterialDisposal
Bry Dredged
Dredged
YaquinaBay
RiverS"gJXS,I,S
River Segment 2
I
I
Scali r:1760
Disposal
DisposalSite
Site
42
Wilsey &Ham
Ham
UfilseY&
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( R I V E MILE
R
RrvER
S E G M E22N(RIVER
T
RIVER
SEGMENT
M I L E33 .00 TO
T 0 RIVER
R I V E MILE
R
M r L E55 .7)
7)
Dredging
DredgingNeeds
Needs
Ir
Maintenance
of
Ma
i n te n a n ce
o f Existing
E xisting Projects
Pr ojects
C o r p so
Corps
off Engineers
approximately
29,000 cubic
cubic
re co rds indicate
E n g i n e e rsrecords
indicate that
that appr
oxim ately29,000
y a r d s of
o f material
yards
22 during
ma te ri a l will
w i l l require
requir e removal
r emovalalong
along River
River Segment
Segment
dur ing
a r planning
p l a n n i n gperiod.
p e riod. This
2 0 ye
t h e 20
the
year
is believed
believedto
This is
figure,
to be
be aa maximum
m aximum
figur e,
s i n ce historically
h i sto ri ca l l y dredging
d re d ginghas
since
hasnot
not been
beennecessary
necessaralong
yalongthis
this segment.
segment.
o ssible channel
IIn
n ad
d i ti o n to
ivate
addition
to th
the
channel m
maintenance
dredging,
two pr
private
e ppossible
aintenance
dr
edging, two
m o ora g ewithin
s i th i n Segment
possible
moorages
w
S e g me n22t have
following
possible
dishaveindicated
indicated the
the fol' lowing
disposal
posal requir'ements:
requirements:
Sawyers
Sawyers
Riverbend
Moorage
Riverbendt'{oorage
(unlikely)
a r d s (unlikely)
5,000
5 , 0 0 0cubic
c u b i c yyards
y
a
r
d
s
32,000
yards
3 2 , 0 0 0cubic
cubic
Total
Total Private
Private Marina
Marina
yar ds
37,000cubic
37,000
cubic yards
r Construction
Construction of
of New
NewProjects
Projects
p ro j e cts are
N o new
ne wprojects
posNo
2.
a re anticipated
a n ti cipatedwithin
within River
RiverSegment
2. The
The posSegment
ssibility
i b il i ty ooff d
e e p e n i n gth
e author
iver channel
deepening
the
authorized
channel fr
from
izedrriver
l0 feet in
om 10
depth to
to 18
pro18 feet
feet was
exploredby
depth
the
bythe
thestudy
studyteam;
wasexplored
team;however,
however,
theprop
o sa l w
gener
ate
a s fo
u n d to h
a ve insufficient
posal
was
found
have
local
support
to
generate
a
i nsufficient local suppor t
f a v ora b l ecost-benefit
favorable
co st-b e n e fi t relationship.
relationship. 0n
On that
basis,
it
appears
that basis, it appear s
h
ighly u
highly
unlikely
that
authorization
for channel
channel deepening
deepening would
would
n l i ke l y th
at a
u thor ization for
ye
a
r
planning
per
iod.
d
u
ri
n
g
occur
during
the
20
year
planning
period.
o c cu r
th e 2 0
T a bl e 10
l 0 summarizes
th e dredging
Table
su rrn a ri ze sthe
dr edgingneeds
needswhich
whichhave
havebeen
beenidentified
identified
w
i t hi n River
within
Segment
2.
2
.
R i ve r S e q me n t
TABLE
10
TABLE
IO
RIVER
2 -- DREDGING
DREDGING
RIVER SEGMENT
SEGMENT 2
NEEDS
NEEDS
Project
Project
1.
l.
2.
2.
3.
3.
DisDosal
D i s p o s a Ouantitv
lQ u a n t i t y
River
R i ve r Channel
C h a n n eMaintenance
l
Maintenance
Sawyers
SawyersMarina
Marina Maintenance
Maintenance
( u n li k e l y )
(unlikely)
R
i ve rb e n dMa
ri naMaintenance
Riverbend
Marina
M aintenance
TOTAL
NEEDS
TOTALDREDGING
DREDGING
NEEDS
t
1
I
1
I
43
43
29,350
2
9 , 3 5 0cy.
cy.
((5,000
5 , 0 0 0cy)
cy)
32,000
3 2 , 0 0 0cy
cy
66,350
6 6 , 3 5 0cy
cy
t
I
Disposal
DisposalOptions
0ptions
Disposal
r Ocean
0ceanDisposal
portion of
havenot
not historihistoriMaterials
the river
river channel
channelhave
of the
this portion
Materialsfrom
from this
shallow
cally
oceanfor
for disposal
disposalsince
since the
the shallow
to the
the ocean
cally been
beentransported
transportedto
prohibits the
(10 feet) channel
generallyprohibits
dredges
the large
largehopper
hopper
(10
dredges
depthgenerally
channeldepth
could
shallow
dredgescould
shallowdraft
draft bucket
bucketdredges
from accessing
accessing the
However,
the area
area. However,
from
be
used to plice
place channel
channel maintenance
maintenance materials
materials on
on barges
barges which
which could
could
be used
site for
then be
be towed
towed to the
the off
off shore
disposal site
for disposal
disposal of
of the
the
shoredisposal
then
for
material is
generally acceptable
acceptable for
is generally
materials
materials. Composition
of the
the material
Composition
be
ocean disposal,
disposal, however,
testing
of the
the specific
materials to
to be
however,
testing of
specific materials
ocean
prior to
disposal.
disposed would
would be
be required
to disposal
disposed
requiredprior
Disposal
r Land
LandDisposal
are available
within
availablewithin
Table
land disposal
disposalsites
sites which
whichare
Table11
ll lists
lists the
the land
pipeline dredge
dredge.
by pipeline
sites can
can be
be served
servedby
All of
of these
thesesites
River
22. All
River Segment
Segment
TABLE
11
TABLE
II
2 -- DISPOSAL
OPTIONS
RIVER
SEGMENT 2
OPTIONS
DISPOSAL
RIVERSEGMENT
Approximate
Capacity
Capacity
Approximate
Site
No.
S i t e No
7
7
30,000
30,000cy
cy
8
B
7,000
7,000cy
cy
g
9
16,200
1 6 , 2 0 0cy
cy
10
10
6,200
6,200cy
cy
59,400 cy
59,400
cy
TOTAL CAPACITY
TOTAL
CAPACITY
following
Discussions
of
on the
the following
s i t e s are
are contained
containedon
t h e individual
i n d i v i d u a l sites
D i s c u s s i o no
s f the
pages.
pages.
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( I l l u s t r a t e d on
ISITE
S I T E77 (Illustrated
o n Figure
F i g u r e5)
5)
b,
ISite
S i t e Description
Description
Location
Location:
ISize
Size:
Immediately
CoquiI I e Point
Inrmedi
ately southeast
southeastof
of Coquille
Po'int
.|300'
1300' x
250'
x 250'
rds, at
ICapacity
yards,
C a p a ci ty: 30,000
3 0 ,0 0 0cubic
at 5'
5' depth
depthuncompacted
cu b i c ya
uncom pacted.
Physical
P h y s i c a lCharacteristics:
f i l l site,
l e v e l area
C h a r a c t e r i s t i c s : Old
m a i n t a i n e as
da s aa level
area
0 l d fill
s i t e , maintained
along
th e river
fr ont. No
influenceis
a l o n g the
ri ve r front.
No water
water influence
is evidenced.
evidenced.
hasoccurred
Biological
Bi
o l o g i ca 'lCharacteristics:
C h a ra cte ristics: Some
Som enatural
natur al revegetation
r evegetationhas
occurr ed
g ra ssesand
with
shr ubsbeginning
beg' inningto
to establish
establish
w i th aa few
fe w grasses
and small
small shrubs
popu' lations
pr obablyuse
themselves.
Bird
and mamm
mammal al
populations
probably
th e mse l ve s. B
i rd and
usethe
the area
area
i n a transient
in
manner .
tra n si e n t manner
IZoning
Z o n i ng : Marine
Ma ri n ecommercial
co mme rci al
Comprehensive
C
o m pre h e n siPlan
vel a n : Marine
P
Ma ri necommercial
com m er cial
- Roy
Ownership
Private Private
RoySawyer
0wnership:
Sawyer
Engineering
E
n gni e e rin g Considerations:
:
C o n si d e ra ti o ns
IMethod
Pipeline
dredge
direct
disposal or bucket
bucket dredge
dredge
M e t h odof
i p e l ine dr
edgewith dir
ect disposal
o f Dredging:
D re d g 'i n g : P
with
t r u c k hauling
h a u l i n gto
t o site.
site.
w i t h truck
Embankment
by extension
extension of
of rrock
and rrip
ock and
ip
Design
D
e s i g nCriteria:
C ri te ri a : E
mb a n kment
rrehabilitation
ehabilitation by
p r eventerosion.
rap
ra p should
o ccu r to
to prevent
er osion.
sh o u 'l doccur
pr epar ationnecessary
Construct
Site
Si
t e Preparation:
P re p a ra ti o n : Minimal
Mi n i malpreparation
necessarfor
yfor site
site use.
use. Cons
tr uc t
pr eventspillage
berms
ontoadjacent
adiacenttidelands.
b e rmsof
o f on-site
o n -si te material
ma ter ial to
to prevent
tidel ands .
spillage onto
Drainage
along highway
highway would
would be
be m
minor
i mp ro ve mn ts
along
inor .
D ra i n a g eimprovemnts
yca r d .
ISite
$0.30/cubic
Unit
Site U
D e v e l o p m eCost:
C
n to s t : $
n i t Development
0 . 3 O / c u b iyard.
Dredging
Cost:
Variable
D
redging
Cost: V
ariable
o r fill
nd
Unless
dense,
material
used
and
Future
fill a
F u t u r eUse
e n s e ,ssandy
a n d ym
a t e r i a l is
is u
s e dffor
Constraints: U
n l e s sd
U s eConstraints:
go
o dco
only
t
good
compaction
occurs,
shortt ter
term
usage should
should involve
only ligh
light
involve
mp a'lcti
o
n
o
ccu
r
s,
m
usage
shor
o a d 'i n g s
Ifoundation
uses.
fo u n d a ti o nloadings or
o r open
spaceuses.
openspace
Environmental
E n v i ro n me n taConsiderations
Cl o n si d e ra ti ons
:
o e sn
The
existing
material,
and
does
not
ndd
ot
x i s t i n g ffill
ill m
aterial, a
IEffects
off Disposal
Effects o
Disposal: T
h e ssite
i t e is
is e
Grasses
and small
assesand
small shrubbery
shr ubber y
support
stro n g vegetation
ve g etationcommunity
conr munity.Gr
su p p o rtaa strong
45
S
t'
4
7
:,liiii'ii::,iiD i s p o s asl i t e
III'
illlilllll
t
n
^
P e r i p h e r adl i k i n g
Interior diking
Natural barrier
0utfal I
D i sch a rg ep o i n t
O u tfa l l p i p e
P P r i ma ryfi l l a re a
s Secondaryfill area
A
0verflow
Surfacedrainage
YaquinaBayDredgedMaterial
e DisposalPlan
Figure5
Scale1"'4OO
46
lffilEey&Ham
-S
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SI
SI
SI
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gr owths.
occur
havenot
not established
establishedsignificant
significant growths.
o ccu r in
i n the
th e area,
a re a , but
b u t have
hav e
whichhave
The
is lined
lined with
with older
older trees,
tr ees, which
the area
ar ea is
T h e northeast
n o rth e a stborder
b o rd e rof
o f the
tr ees support
su ppor t
dr ainageditch.
ditch. The
Thetrees
established
sm all drainage
e sta b l i sh e dalong
a l o n g the
th e bank
bankof
of aa small
easily revegetate.
r evegetate.
some
fa u n a l life,
l i fe , but
b u t could
s o mefaunal
could easily
Other
O t h e rConsiderations:
C o n si d e ra ti o n s:
proposed
plans have
by the
the owner
owner
Site 7
by
havebeen
beenproposed
but recent
recent plans
unused,but
7 is
is currently
currently unused,
the existing
existing county
co unty
with the
for
marine
comercial
uses
beconsistent
consistentwith
that would
wouldbe
for m
a ri n eco
ru n e rci a
ul se sthat
p l a n . Use
dr edgedmaterials
m ater ial s
disposalof
of dredged
for the
the disposal
site for
U seof
o f the
the site
c o m p r e h e n si ve
preclude
would not preclude
marine corunercial
commercial use, but
but could
could postpone
postpone that
that
future
marine
would
comprehensive.plan.
the
increasethe
to increase
development
unless
methods
wereused
usedto
methodswere
compaction
development
mechanicalcompaction
unless mechanical
r iver
of the
the river
str etch of
alongthis
this stretch
ar ea along
i s the
the only
only area
c o m p a cti o rate.
ra
n te . Site
S i te 77 is
pr oiectedmaintenance
dr edgi ng
m aintenance
the projected
that
dredging
handlethe
to handle
t h a t has
h a s sufficient
su ffi ci e n t capacity
ca p a ci tyto
compaction
needs
needsof
Marina.
of the
the Riverbend
RiverbendMarina.
either the
the
needsof
of either
dr edgingneeds
the maintenance
maintenance
Site
dredging
meetthe
I f Si
i s to
to be
b e used
u se dto
to meet
t e 77 is
20
extendover
overaa 20
river
Marina,
site could
couldextend
useof
of the
the site
r[fi v e r channel
M ar ina,use
ch a n n e lor
o r Riverbend
R i ve rb e n d
pr esentowner
to
wish to
It iis
whether the
y e a r period.
p e ri o d . It
u e sti o nablewhether
ownerwould
wouldwish
the present
year
s qquestionable
r
eached.
been
hasbeen reached.
capacityhas
leave
disposalcapacity
its disposal
l e a v e the
th e site
u n d e ve l o p euntil
udntil its
si te undeveloped
Port of
of Newport,
Newport,
the Port
either the
for either
Due
necessaryfor
it may
maybe
be necessary
Dueto the
factor, it
the time
time factor,
a
longterm
or
p
r
i
v
a
te
acquisition
or
private
marina
operators
to
explore
either
acquisition
or
a
long-term
or
ma ri n ao p e ra to rs explor e either
l e a s e ffor
o r this
t h i s site.
site.
i g n i f i c a n t ssport
port
e c e i v essignificant
The
water
and
areas
adjacent
Site
i t e 7 rreceive
o S
d j a c e n ttto
T
h ew
a t e ra
n d ttideland
i d e l a n da
r e a sa
o
n
t
h
e
m
a
t
e
r
i
a
l
s
Specific
plans
for
disposal
of
dredged
materials
on
the
p
l
a
n
s
d
r
e
d
g
e
d
o
f
for disposal
fishing
f i s h i n g use.
use. Specific
p ro te ct that
site
th a t use.
u se.
s h o u l dprotect
s i t e should
P1
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Peripheraldiking
Interior diking
Natural barrier
Outfall
Discharge
Point
0utfall PiPe
Primaryfill area
fill area
Secondary
0verflow
Surfacedrainage
YaquinaBayDredgedMaterialDisposal
II
Flg#T?
Figure
Scale
48
48
Wilsey&
Haj
wilsey&t"f
II
1
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( I l l u s t r a t e d on
SITE
F i g u r e6)
6)
S I T E88 (Illustrated
o n Figure
Site
S i t e Description
Description
Poi nt.
Location:
South
Ma rg a r et' sMarine
Mar ineWays,
1/? mile
mile north
nor th of
of Oneatta
OneattaPoint.
Location: S
o u thof
o f Margaret's
l' lays,1/2
ISize:
Size:
500'
5 0 0 ' xx 100'
100'
feet depth,
Capacity:
yards at
7,000 cubic
cubic yards
at 55 feet
uncompacted
Capacity: 7,000
depth, uncompacted
p a s t fill
i s aa past
f i l l area,
a r e a , and
Physical
T h i s site
s ' i t e is
a n dis
P h y s i c a lCharacteristics:
C h a r a c t e r i s t i c s : This
is
pond. Though
in the
the
level
l e ve l except
e xce p tfor
fo r aa small
sm allpond.
Thoughwater
water collects
collects in
pond, there
pond,
fresh-water creeks
creeks or streams
running onto
onto
no fresh-water
streamsrunning
there are no
Ithe
t h e site.
site.
the
Thereeis
on the
Biological
is very
little vegetation
vegetationon
C h a ra cte ri s tics: Ther
ver y little
B i o l o g i ca l Characteristics:
mar mal s
Sm allmammals
site,
a s fill
fi l l activity
a ctivity has
hasbeen
beenfairly
fair ly recent.
r ecent. Small
si te , as
and
manner .
the site,
but only
in aa transient
tr ansient manner.
a
n d birds
b i rd s may
ma yuse
u se the
site, but
only in
IZoning
Marine
ri n eCommercial
C o mme rci al
Z o n i n g : Ma
Marine
Comprehensive
P
ri n eCommercial
Comm er cial
C o m p re h e n siPlan
veIa n : Ma
P r i v a t e -- MM . SS . Cassell
Cassell
Ownership
O
w n e r s h i p :Private
Engineering
C o n si d e ra ti o n: s
E n gni ee rin g Considerations:
M e t h odof
Method
D re d g i n gand
a n dFilling:
F i l l i ng:
o f Dredging
Design
D e s i g ncriteria
criteria:
Bucket
haul to
to site.
site.
Bucketdredge
dr edgeand
andtruck
tr uck haul
Similar
S
i m i l a r to
t o Site
S i t e No
N o . 77
Similar
i m i l a r to
t o Site
7.
Site
S
i t e Preparation:
Preparation: S
S i t e No.
N o .7.
No
N o outfall
o u t f a l i is
i s required.
required.
Site
S
i t e Unit
D e v e l o p m eCost
C
n to s t : Negligible
Negligible
U n i t Development
Variable
Dredging
D r e d g i n gCost
C o st: V
a ri a b l e
dense sandy
material
is used
usedto
to complete
complete
sandymater
ial is
Future
C o n stra i n ts: Unless
F u t u r eUse
U seConstraints:
U nlessdense
o o dco
fo r
be for
the
and
good
compaction
occurs,
ter m usage
usageshould
shou' ldbe
si te a
nd g
mpaction
occur
s, short
shor t term
t h e site
open
storage
or
open
space.
storage
open
space.
open
I
Envi
ronmental Considerations
Considerations::
Environmental
t
fil' le d with
w i th
has been
beenrecently
r ecent' lyfilled
that has
is aa small
sm all area
ar ea that
Effects
D i sp o sa l : This
T h i s is
Ef f e c ts of
o f Disposal:
oth
er
Very
little
vegetation
exists
in
the
area,
other
exists
in
the
ar
ea,
dredged
d re d g e dmaterial
ma te ri a l . V e ry little vegetation
g ra sse sand
Faunal
the east
eastborder.
bor der . Faunal
than
th i n line
line of
of trees
on the
t h a n grasses
a n daa thin
tr ees on
p
r
o
b
a
b
l
y
losses
No
significant
wildlife
life
a n dprobably transient.
t r a n s i e n t . N o s i g n i f i c a n t w i l d l i f e losses
l i f e is
i s minimal,
m i n i m a l ,and
could
b e expected
e xp e cte dto
to occur
as aa result
r esult of
of site
site use
use.
co u l d be
occur as
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placementof
future dredge
materials on
After the
the placement
of future
dredgematerials
on the
the site,
site, revegetarevegetaflor al
p o ssi b l e . Given
solid floral
tion
t i o n would
w o u l dbe
b e possible.
Givenaa chance
chanceto
developaa solid
to develop
c o n m u n i ty
comunity
in
i n the
th earea,
a re a ,the
th evarious
var iouswildlife
nicheswould
filled.
wildlife niches
wouldbe
be filled.
However,due
due to
However,
may be
to location
location and
and surrounding
land-uses, the
be
surroundingland-uses,
the site
site nay
better
uses
better suited
for strictly
suited for
strictly human
human
uses.
Other
O t h e r Considerations
C o nsi d e ra ti o n s:
The
lim its its
T h e small
s m a l l capacity
ca p a ci ty of
o f this
th i s site
si te limits
its usefulness
usefulnessto the
disposal of
of
the disposal
generatedby
maintenance dredging
moorages and
material generated
by maintenance
dredging at the
the local moorages
and
marinas
Bucket
would remove
moorage areas
marinas.
Bucketdredges
dredgeswould
removethe
the material from
from the moorage
areas
p l a c e it
and
It is
is possible
possible that the
a n d place
i t on
tru cks for
fo r hauling
h a ulingto
to the
the
o n trucks
the site.
site. It
proposedmarina
generatedredged
proposed
marina development
adjacent
will generate
development
adjacent to Site 8 wil'l
dredgedmaterials,
p l a ce don
and
on this
a n d they
t h e y also
al so could
co u l d be
b e placed
this site
site.
T h ed
i s p o sa 'lof
d re d g e dma
te ri als on
The
disposal
materials
on Site
would not
o f dredged
Site 8 would
not significantly
significantly
the
future
iincrease
n c r e a s eth
e fu
tu re useability
It is
is cur
currently
u se a b i l i ty of the
the site
r ently zoned
for
site. It
zonedfor
proposed
marine comerical
marine
use
construction
conunerical
useand
andthe
theowner
ownerhas
hasproposed
constructionof
of aa marina
marina
pr eclude
onn the
t h e site
o
s i te . Placement
P l a ce me no
tf d
re dgedmater
of
dredged
materials
would not
ials on
the site
not preclude
on the
site would
p o s tponeit
occ ur r ed.
e v e l o p me n t,
that
development,
but
had
that d
b u t could
hadoccurred.
co u l d postpone
it until
until adequate
adequatecompaction
compaction
Lease
easement arrangements
between
owner and
would
Leaseor easement
arrangements
betweenthe site
site owner
and disposal
disposal users
users would
p r e fe ra b l e implementation
be
mechanism
b e the
t h e preferable
Because
of its
i mp l e me n ta tion
mechanism.
Because
its relatively
smal l
r elatively small
p ri or ity for
Site
for use
ccapacity,
apacity, S
i te 8 has
h a s a low
l o w priority
this river
r iver segment
use within this
segment.
50
50
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( I l l u s t r a t e don
F i g u r e7
SITE
7))
S I T E99 (Illustrated
o nFigure
Site
S i t e Description:
Description:
Location:
main
fr om Riverbend
Moorage,
L o c a ti o n : Across
i n road
ro a d from
River bendM
oor age,at
at Oneatta
0neatta Point
Point
A cro ssma
Size:
S i z e : 250'
2 5 0 'xx 250'
250'
ya rds @@77 feet
feet depth,
depth,uncompacted
Capacity:
C a p aci ty: 16,200
1 6 ,2 0 0cubic
cu b i c yards
uncompacted
dr ainagesystem,
Physical
This site
P h ysi ca lCharacteristics:
site is
the base
baseof
of aa drainage
sy s tem ,
C h a ra cte ri stics: This
is the
fr
om
where
the
fresh
water
in-flow
flattens
out
from
steep
ridges.
th
e
fre
sh
inflow
steep
r
idges
.
water
flattens
out
w h e re
s l o p i n g . The
The
i"s fairly
f a i r l y narrow
n a r r o wwith
w i t h slight
The
T
h e"bottom-land"
s l i g h t sloping.
" b o t t o m - l a n dis
soil
t y p e is
i s an
a n Astoria
A s t o r i a silt
l o a m . The
i n - f l o w is
i s aa creek,
creek,
s o i l type
s i l t loam.
T h ewater
w a t e r in-flow
ye a r-round. A
A small
marsh
ar shexists in
in the
and
fl o w s year-round.
fr esh- waterm
t he
a n d flows
sm all fresh-water
middle
m i d d l eof
o f the
t h e site.
site.
Biological
C h a r a c t e r i s t i c s : veqetation
B i o l o g i c a lCharacteristics:
v e q e t a t i o nis
d o m i n a t eby
b
d y aa thick
i s dominated
thick
r ove, with
riparian
grove,
with an
blackber r y, reed
r eed
aller g
an understory
under stor yof
of blackberry,
i i p a ri a n alder
g
r
a
s
s
,
p
e
r
c
h
i
n
g
birds,
b i r d s , such
s u c has
grass, huckleberry,
h u c k l e b e r r yand
a
, n dsalal.
s a l a l . Various
V a r i o u sperching
_as
' i n the
vireos,
n e s t and
t h e area.
a r e a . Moles,
f i n c h e s , nest
a n dfeed
f e e d in
Moles,
w a r b l e r s ,and
a n dfinches,
v i r e o s , warbiers,
shrews,
ra cco o nand
and deer
deer use
usethe
the area
ar eaas
as well.
sh re w s,raccoon
well.
Zoning:
Z o n i ngz A-2
A -2
Single-family
Comprehensive
i n g l e - f a m i l yresidential
residential
C
o m p r e h e n s Plan:
iPv Iea n : S
R i ver bendMarina
M ar ina
Ownership:
P ri va te -- Riverbend
O
w n e rsh i p : Private
Engineering
:
E n g i n e e ri n gConsiderations:
C o n si d e ra ti o ns
Filling:
Method
of
Method
o f Dredging
D r e d g i n and
ga n dFilling:
ttruck
r u c k haul
t o site.
site.
h a u l to
d r e d g ew
Pipeline
dredge
orr bucket
with
r e d g eo
b u c k e tdredge
ith
P i p e l i n ed
feet. Some
sevenfeet.
So m e
May ybe
five
b e filled
fi lled approximately
appr oxim ately
five to
to seven
Design
D
e s i g ncriteria:
cri te ri a : Ma
bor der of
of the
the site.
s i te.
drainage
necessary yalong
along the
i s necessar
the northwest
dra
i n a g ediversion
d i ve rsi o n is
nor thwestborder
pr eventsiltation
of nearby
near bytideland.
tideland.
Runoff
b e controlled
co n trolled to
to prevent
R u n o ff should
siltation of
sh o u l dbe
ipeline d
a r ea.
to deep
deepwater
waterarea.
If a p
pipeline
dredge
re d g eis
i s used,
outfall must
m ustextend
extendto
If
used, outfall
i f used
u s e dby
by
well
l e v e l i n g if
Site
C l e a r i n gis
i s required,
r e q u i r e d , as
as w
e l l as
a s leveling
S
i t e Preparation:
P r e p a r a t i o n : Clearing
p i p e l i n e dredge.
s u f f i c i e n t to
to
material
pipeline
a t e r i a l sufficient
d r e d g e . Construct
C o n s t r u c dikes
td i k e s of
o f on-site
on-site m
p re ve n tspillage
prevent
into drainageway.
dr ainageway.
o n to highway
highwayor
or into
sp i l l a g e onto
yar d
Site
Cto st: $0.60/cubic
S
i t e Unit
U n i t Development
D e ve l o p meCost:
n
$0.60/cubicyard
V a ri a b l e
Dredging
D r e d g i n gCost:
C o st: Variable
S i t e No.
S i m i l a r to
t o Site
N o . 88
Future
F u t u r eUse
C o n s t r a i n t s : Similar
U s eConstraints:
51
51
III
9
/7i7/"
/
(i
I
f}
/7 (
/11
'3&
9
/
7'
10
Ju
'S
,I
Disposal site
/
Outfall pipe
Primary
i
area
S Secondary fill area
£ Overflow
Surface drainage
Yaquina
Bay Dredged
Dredged Material
YaquinaBay
MaterialDisposal
DisposalPlan
Plan
Figure
Figure77
Sca$e
400
1":4OO
Scale 1":
52
52
Wilsey&
Ham
witsey& Ham
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:
IEnvironmental
EnvironmentalConsiderations:
Considerations
gr ove wou'
be cleared
clear ed if
if
The
wouldldbe
existing thick alder
alder grove
h e existing
Effects
Ef f e cts of
o f Disposal:
D i sp o sa l : T
of materials
mater ial s
disposalactivities.
activities. Disposal
Disposalof
the
u se dfor
fo r disposal
w e reused
th e site
si te were
fr esh over
would result
in inundation
of aa small
sm all freshsi te would
r esult in
inundationof
e n ti re site
o ve r the
th e entire
r esulting in
in
marsh
the
mar
shcould
could be
be avoided,
avoided,resulting
H o w e verthe
,
water
ma rsh . However,
wa
te r marsh.
and fauna
fauna
The initial
initial loss
loss Of
bf flora
flor a and
decreased
ca p a c ity. The
d e cre a se site
dsi te capacity.
niches
Faunal species
would relocate
wher eniches
specieswould
r elocate where
would
si g n i fi ca n t. Faunal
wo
u l dbe
b e significant.
per ish at
the outset
were
would perish
at the
outs et
th o u ghsome
someindividuals
individuals would
a va i l a b 'l e , though
we
re available,
th e relocation
attempt.
re l o ca tionattempt.
Ior
d u ri n g the
o r during
the vegetation
vegetation
After
be replanted,
and the
th e area
ar ea could
could be
r eplanted, and
A fte r disposal,
d i sp o sa l , the
year s. The
The
ten years.
community
could
to ten
re e stablishitself
itself in
in seven
sevento
co u l d reestablish
co mmu n i ty
p er m anently;however,
size,
its small
sm all size,
marsh
however due
,due to
to its
b e 'llost
o st permanently;
ma
rshwould
w o u l dbe
r o u p sw
groups
would
ould
l o s s . Faunal
F a u n a lg
this
c o n s i d e r e ada significant
s i g n i f i c a n t loss.
t h i s is
n o t considered
i s not
developed.
reestablish
as
developed.
com m unity
th e mse l ves
as the
the floral
flor al community
re e sta b l i sh themselves
IOther
O t h er Considerations:
C o n si d e ra ti o n s:
in size
size,,
small in
9, although
althoughsmall
The
fre sh w atermarsh
in Site
Site 9,
o f aa freshwater
mar shin
T h eexistence
exi ste n ceof
pr ior ity for
evaulated
for use
use when
this
veryy low
when evaulated
to receive
1owpriority
re ce i ve a ver
ccauses
a u s e sth
i s site
si te to
to
If the site
site were
were to
permit review
agencies. If
by
federal permit
reviewagencies.
by the state and
and federal
p ro b a b l eth
woul
natur al dr
ainageways
be
used,
that
marsh
and natural
drainageways
wouldd
at the
the m
ar shand
bb u
se d , it
i t is
i s probable
p r o t e c t i o nand
diversion.
d r a i n a g ediversion.
a n ddrainage
Irequire
r e q u i r e significant
s i g n i f i c a n t protection
pr othe prouse of
of the
The
thus use
by Riverbend
River bendMarina,
M ar ina,thus
o w n edby
T h esite
si te is
i s currently
cu rre n tl y owned
or
acquisition or
p e r t y for
either acquisition
perty
disposal
doesnot
not require
r equir e either
i sp o sa l needs
n eedsdoes
fo r their
th e i r d
plan designates
the land
land
The
plan
designatesthe
com pr ehensive
h e current
cu ment comprehensive
use
u s e agreements.
a g re e me n ts.T
o s s i b l ethat
i f the
the
possible
t h a t if
I t is
is p
u s e . It
r e s i d e n t i a luse.
for
f o r future
f u t u r e single-family
s i n g l e - f a m i l yresidential
pr oper tyto
to residential
r esidential
Riverbend
to convert
the property
conver tthe
Ma ri n aowners
o w n e rswish
w ish to
R i v e rb e n dMarina
dur ing the
the
be used
usedduring
use,
materials
marina
could be
fro m their
their mar
inacould
d re d g e dma
u s e , dredged
te ri a l s from
be necnec wouldbe
p re p ar ation. Sufficient
tim e would
lead time
Sufficient lead
early
e a r l y stages
o f site
si te preparation.
sta g e sof
pr iortotoconstrucconstr u c essary
and
andsettling
settling prior
for compaction
com paction
to allow
a l l o w for
e s s a ryin
i n order
o rd e r to
tion.
ti on.
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( I l l u s t r a t e d on
S
I T E10
l 0 (Illustrated
SITE
o n Figure
F i g u r e7)
7)
S
i t e Description:
Descriotion:
Site
( 0neattaPoint)
Location:
L o c a t i on : Adjacent
Marina
A d j a ce n tto
to and
a n dsouth
southof
River bend
of Riverbend
Mar ina(Oneatta
Point)
Size:
S
i z e : 240'
2 4 0 ' xx 200'
200'
rd s at
Capacity
C a p a c i ty: 6,200
6 ,2 0 0 cubic
cu b i c ya
at 33.5
yards
5 feet
feet depth,
depth, uncompacted
uncompacted
Physical
P h ysi ca lCharacteristics:
flat area,
The site
C h a ra cte ri sti cs: The
site is
is aa flat
ar ea, currently
cur r ently used
used
as
a s aa dredged
d re d g e dmaterial
ma te r ial disposal
disposalsite.
W aterdrainage
dr ainagefrom
fr om
site. Water
por tion of the
nearby
n e a rb yslopes
sl o p e s is
i s channeled
channeledunderneath
under neatha portion
the site
site
through
th ro u g haa culvert
cu l ve rt system.
The outfall
system. The
outfall is
is clear
the disposal
dispos al
clear of
of the
site
site.
Biological
B i o l o g i c a lCharacteristics:
C h a r a c t e r i s t i c s : Due
D u eto
t o recent
r e c e n t filling
f i l l i n g activity,
there
a c t i v i t y n there
h a s been
b e e nno
has
of
n o reestablishment
re e sta blishment
of the
the biologic
biologic community.
com r nunity.
Zoning:
Zoning: Marine
Marine commercial
conunercial
C o m p r e h e n siPlan
vel a n : Ma
Comprehensive
Marine
comercial
P
ri n ecor
nner cial
Ownership:
0 w n e r s hi p : Private
P ri va te -- Riverbend
R i ve rb endMarina
M ar ina
Engineering
E n gni e eri n gConsiderations
o n s:
C o n si d e ra ti
M e t h o dof
Method
D re d g i n gand
of Dredging
a n dFilling:
F i l l i n g:
Bucket
Bucketdredge
dr edgewith
w' ith truck
haul to
to site.
tr uck haul
site.
pr event
Design
D e s i g nCriteria:
C ri te ri a : Use
b e rmsconstructed
material
U seberms
constr uctedof on-site
ater ial to
to prevent
on- site m
spillage
s p i l l a g e onto
o n t o adjoining
a d j o i n i n gtideland.
t i d e l a n d . Additional
A d d i t i o n a lrip
r i p rap
r a p and
erosion
a n derosion
control
control may
maybe
necessary.
be necessary.
Site
Maintain
Si t e Preparation:
P r e p a ra ti o n : Ma
i n ta i nberms
ber ms
t
I
S i t e Unit
Site
D e v e l o p m eCost:
n to s t : Negligible
U n i t Development
C
Negligible
I
II
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Dredging
D r e d g i n gCost
C o s t : Variable
Variable
Future
F u t u r eUse
U s eConstraints:
C o n s t r a i n t s : Similar
S i m i l a r to
t o Site
S i t e No.
N o . 88
Environmental
E n v i r o nme n taConsiderations
Cl o n si d e ra ti o n: s
E f f e c t s of
Effects
D i s p o s a l : This
T h i s is
i s an
a n existing
e x i s t i n g fill
f i l l site,
no vegetation,
o f Disposal:
site, and
andno
vegetation,
g ra sse s,has
other
o t he r than
th a n grasses,
h a sbeen
beenestablished.
materials
established. Future
Futurematerials
should
not
alter
current
condition, so
no loss
vegetation or
or
s h ou l d n
ot a
l te r the
th e cu
rr ent condition,
so no
loss to
to vegetation
wildlife
w i l d l i f e is
i s expected
expected.
tI
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'
is com
ul d
the
dredged
material
disposal lis
completed,
could
pleted,rrevegetation
evegetationco
ter ial disposa'
IAfter
ed
re d g e dma
Afte r th
p l a ce w
take
with
communities
establishing them
themselves
seven to
to ten
ten
establishing
selvesin
in seven
mmunities
t ake place
i th co
g ro u p swill
ye a rs. Faunal
into the
as habitats
habitats become
becomestaes
e taF a u n a lgroups
will move
moveinto
the area
ar ea as
years.
s e s , it
it
However,
due
and
adjacent
uses,
d j a c e n tland
land u
blished.
h e site
s i t e ' llocation
ocation a
n da
blished. H
o w e v e rd
, u e tto
o tthe
r ecr eation al
may
or
mo refeasible
fe a si b l e to
to use
the site
site for
for commercial
cor nner cial
or recreational
ma ybe
b e more
usethe
purposes.
purposes
IOther
O t h e r Considerations
C o n si d e ra ti o n s
em ov ed
Site
currently
used
for the disposal
disposal of dr
dredged
materials
edgedm
ater ials rremoved
i s cu
se d for
Si t e 10
l 0 is
rre n tl y u
s
during
maintenance
dredging
Riverbend
Marina,
and continuation
continuation of
of thi
this
d
re dgingof River
bendM
ar ina, and
d
u r i n g the
th e ma
i n te n a n ce
p ro p o se duntil
is designated
desi gnated
its capacity
The site is
r eachesits
capacity. The
use
th e site
s ite reaches
u s e is
i s proposed
u n ti l the
plan
for
marine
commercial
use
current
comprehensive
plan and
and wi1l
will b
bee av
availai l i n the cur
r ent com
pr ehensive
for m
mme rci au
l se in
a ri n eco
ur r ed.
able
that
use
after
disposal
and the necessar
necessary ycompaction
compaction have
have occ
occurred
i sposal and
a
b l e for
f or th
at u
fte r d
se a
r ent
No
action
since River
Riverbend
Marina
is the cur
current
ar inais
i s rrequired
equir ed since
bendM
N o implementation
i m p l e me n ta ti oa
ncti o n is
owner
o w n e rof
o f the
th e site
si te .
55
Surunary&& Recommendations
Summary
Recorrnendations
It
is projected
projected that
that dredging
dredging within
within River Segment
Segment 2 will
will generate
generate
It is
yards of
approximately
approximately66,000
66,000cubic
cubic yards
of dredged
dredgedmaterials.
materials. Channel
Channel
ds of this
maintenance
accounts
yards
m
a i n t e n a n ce
fo r about
30,000cubic
a cco u n tsfor
a bout 30,000
cubic yar
this total,
total,
pr eviouslyrequired
channel
although
has
a l t h o ug hsince
si n ce this
th i s river
ri ve r segment
segm ent
hasnot
not previously
r equir edchannel
q u e sti o n a blewhether
d r e d gi n g ,it
i t is
in the
The
dredging,
i s questionable
it will
the future.
whetherit
will in
futur e. The
ds of dredged
remaining
yards
materials
would
r e m a i n i n g32,000
3 2 ,0 0 0to 37,000
3 7 ,0 0 0cubic
dr edgedm
cubic yar
ater ials would
result
maintenance dredging
marinas that are
result from
from the maintenance
are located
located
dredgingof the marinas
along
2.
along River
2.
River Segment
Segment
The
2
2
T h e total
t o ta l capacity
ca p a ci ty of
o f the
th e four sites located
located within River
River Segment
Segm ent
ds, which
iis
s bbetween
cubic yar
yards,
which rresults
in
a
deficit
e tw e e n339,000
9 ,0 0 0aand
n d 440,000
0 ,0 00cubic
in
deficit
esults
ya rd s . In
pr ior ity
off about
o
2 6 ,0 0 0cubic
In addition, Site
a b ou t 26,000
cu b i c yards.
Site 8I is
is aa low
low priority
p
r
i
o
r
i t y site
site d
u e to
t o its
i t s small
site
due
while
s m a l l capacity,
c a p a c i t y ,w
h i l e Site
i s a low
l o w priority
S i t e 99 is
site
d
u
e
due to
t o the
th e existing
e xi sti n g marsh
ma rshhabitat.
habitat. Since
S' incesufficient
sufficient land
land areas
have
ar eas have
projected
not been
identified within River
beenidentified
not
2
meet the
River Segment
Segment
2 to
to meet
the projected
d i s p o sa l needs,
n e e d s,other
disposal
o th e r options
o p ti onsmust
m ustbe
be evaluated.
following
evaluated. The
The following
p o s s i b l e options
possible
are
suggested:
o p ti o n s a re su g g ested:
Option
O
p t i o n1l : Channel
2 could
maintenance
materials
2
C h a n n ema
l i n te nance
m
ater ials within River
Segm ent
River Segment
could
placed
be
be removed
removedby
by bucket
dredge,
dredgen
placed
on
barges
and
transported
to
the
bucket
the
on barges and transported
off
ocean
disposal
site
for
dumping.
o
f f shore
o
ce
a
n
d
i
sp
o
sa
l
This
would
leave
the
land
s ho re
si te for dumping. This would leave the land
s
i
t
e
s
a
va
i
l
a
b
l
e
fo
r
u
se
sites available for use by
marina
b y the
the m
ar inaowners
for disposal
disposal of their
their
owner sfor
m a i n te n a n ce
maintenance
dredging
d re d g i n gmaterials.
ma te rials. W
When
henRiverbend
River bendMarina
Mar inahas
has filled
filled
S
i t e 10
l 0 to
to its
i ts capacity,
Site
will need
ca p a ci ty, they
they will
needto locate
locate a disposal
disposal site
p l a ce the
ds of
u
p o nwh
e y can
upon
which
they
additional 26,000
yards
i ch th
ca n place
the additional
26,000cubic
cubic yar
g
e
n
e
ra
te
per
iod. The
year
planning
m
a
t
e
r
i
a
l
th
e
y
The
material they will
w i l 'l generate during
dur ing the
the 20
20 year planning period.
only site
that
site within River
River Segment
that could
accorsnodate
that volume
Segment22 that
could accommodate
volume
pr ivate ownership.
would
w o u l dbe
b e Site
S i te 77 which
w h i chis
i s currently
cur r ently in
in private
owner ship. The
The other
other
options
o p t i o ns available
a va i l a b l e to
of
to Riverbend
R i ve rbendMarina
M ar inainclude
developm ent
of Site
include development
Site 99
la ce me no
t f a portion
p o rti o n of their
a
nd p
and
placement
of
materials
their dredged
dr edgedm
ater ials on
on that
that site
site
p
r
e
p
a
r
a t i o n ,or
d u r i n g site
s i t e preparation,
during
l 0 and
and
o r stockpiling
s t o c k p i l i n gtheir
m a t e r i a l on
o n Site
S i t e 10
t h e i r material
( Cr iter ia for
t r u c k i n g them
th e mto
trucking
to an
a n upland
u p l a n dsite
site for
for disposal
disposal. (Criteria
for upland
upland
d
i s p o s a lsites
s i t e s are
d i s c u s s e in
di n Section
disposal
a r e discussed
S e c t i o nIV).
IV).
( o r both)
Option
0 p t i o n 22 : S
i t e s 77 o
Sites
orr 10
l 0 (or
c o u l d be
sites
b o t h ) could
b e used
u s e das
a s stockpile
s t o c k p i l e sites
p
a r t i c u l a r l y well-suited
n e i t h e r site
a l t h o u g hneither
If
although
s i t e is
i s particularly
f o r that
t h a t use
u s e . If
w e l l - s u i t e dfor
these
these sites
were developed
developed for
sites were
for stockpiling,
stockpiling, both
both the
ano
the channel
channeland
placedon
marina
m a r i n amaintenance
ma i n te n a n ce
materials
ma te ri a ls could
could be
be placed
on the
the sites
assuming
sites assuming
that the
dredged materials
materials v{ere
were trucked
that
the dredged
trucked away
at regular
intervals.
awayat
regular intervals.
public use
T h estockpiled
The
s to ckp i l e d materials
could be
be made
m adeavailable
for public
use or
or
ma te ri a l s could
available for
preparedby
port and
trucked
the
trucked for
for disposal
disposal to
to upland
upland sites
sites prepared
by the
the port
and the
p
r i v a te marina
private
ma ri n aoperators.
Tr uckingthe
m ater ials subsubo p e ra to rs. Trucking
the dredged
dr edgedmaterials
sstantially
t a n t ia l l y ra
raises
disposal
materials
i se s the
i sp osal costs, unless
can be
be
th e d
unless the
the m
ater ials can
private party
party that will
sold or given
sold
given away
away to
to a private
themat
at
will transport
transport them
their own
their
expense.
oh,nexpense.
56
56
II
I
I
II
II
II
I
I
I
I
II
I
I
I
I
I
I
I
II
I
I
I
I
I
I
I
I
I
II
I
I
I
I
I
I
I
I
I
I
II
I
I
I
I
II
II
I
I
II
I
I
II
I
Option
0 p t i o n 33 : T
The
off the
h e capacity
ca p a ci ty o
the land
land sites
sites within River
River Segment
Segm ent
2 is
is
p rojected channel
s u f f i ci e n t to
sufficient
meet
channel maintenance
maintenance needs
without
to me
e tthe
th e projected
needswithout
o r t rreserved
utilizing
u t i l i z i n g Sites
S i t e s 88 and
a n d9.
9 . IIf
he p
port
f tthe
e s e r v e dSites
S i t e s 77 and
a n d10
l 0 for
for
d i s p osa l o
disposal
off channel
maintenance
materials,
marina
operators
ch a n n e lma
i n tenance
mater
ials, the
the mar
inaoper
ator s
( pr obablyupland)
w o u l dbe
b e forced
would
fo rce d to
to locate
l o ca te other
other (probably
upland)sites
sites for
for the
the
d
i
s
p
o
s
a
l
disposal o
off their
maintenance
dredging
materials,
their m
a i n t e n a n cd
er e d g i n gm
a t e r i a l s , resulting
r e s u l t i n g in
in
pr ivate costs
i n c r ea se dmaintenance
increased
costs.
ma i n te n a n ce
co sts. These
additional private
Theseadditional
costs could
could
p o rt participation
p a rti ci p ation in
be o
f fse t by
be
offset
upland disposal
disposal site
acquisition
b y port
in upland
site acquisition
p o ssi b l e financial
chaseof the equipm
a
n d possible
and
through
purchase
equipment
fi n a n ci a l support
su ppor tthr
oughthe pur
en t
necessaryto
necessary
the dredged
to transport
transport the
dredgedmaterials
materials.
Option
0
p t i on 1I is
i s the
th e recommended
re co mme nded
dueto
option
option due
to its
its lower
easier
lowercosts,
costs, easier
i m p l e me n ta ti oand
ann d better
b e tte r suitability
implementation
s uitability for
for the
the sites
sites involved
involved. It
It
i s ccurrently
u rre n tl y u
is
unknown
whether
channel maintenance
maintenance dr
dredging
will be
be
n kn o ww
n h e therchannel
edgingwill
n
e c e ssa ry;h
o w e ve r,si
n ce the channel
necessary;
however,
since
channel mater
materials
are
believed to be
be
ials ar
e believed
ssuitable
u i t a b l e ffor
i s p o s a l , it
ocean
disposal,
dispose
off tthem
or o
c e a nd
i t is
i s rreasonable
easonable
tto
o d
i s p o s eo
h e min
in
tthat
h a t manner.
m a n n e r. L
Lincoln
may wish
Marina
i n co l n County
C o u ntymay
to assist
assist Riverbend
wish to
Mar inain
River bend
in
ttheir
h e i r llocation
ocation o
off s
suitable
disposal
both
ass rrelates
Sites
uitable d
i s p o s a l ssites,
otha
ites, b
e l a t e s tto
o S
ites
6
- 1 0 identified
i d e n t i f i e d in
i n tthis
o c u m e n to
,r in
6-10
document,
or
upland
his d
i n rrelationship
e l a t i o n s h i p tto
o u
pland
ssites
ites.
t
I
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I
I
t
1
57
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I
I- - - - - - - - - - - - - - I
I
RiverSegment3
I
I
.1
Yaquina
Bay Dredged
Dredged Material
Material Disposal
DisposafPlan
YaquinaBry
Plan
I
I
River
River ses$FTl,,.t
Segment 3
DisposalSite
Site
Disposal
SCale 1 :1760
trr Shoahng
ShoalingArea
"
Area
58
Wilsey& Ham
Ham
Wilsey&
I
I
I
II
I
t
I
I
I
I
I
T
I
I
I
I
I
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I
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I
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II
I1
( R M R MILE
SEGMENT
T 0 RIVER
R r V E MILE
R
M I L E7.9)
7.9)
IRIVER
S E G M E33N(RIVER
T
M r L E5.7
5 . 7 TO
RIVER
Dredging
DredgingNeeds
Needs
Maintenance
of
Pr oiects
E xi sting Projects
r Ma
i n te n a n ce
o f Existing
Maintenance
of
3
would result
in River
Segm ent
3 would
r esult
M a i n te n a n ce
n a vi g a tionchannel
channelin
River Segment
o f the
th e navigation
year s.
yar ds over
next 20
20 years.
dredging
he d
75,000cubic
cubic yards
over the
the next
iin
n tthe
re d g i n gof
o f about
a b o u t 75,000
this
This
maintenance
dredging
would occur
occur along
dr
edgingthat
that would
along this
T h i s is
i s the
th e only
i n te n ance
o n l y ma
Isegment.
segment.
NewProjects
Projects
r Construction
Constructionof New
p ro j e cts
INo
N o new
n ewprojects
3.
have
3.
RiverSegment
Segm ent
b e e nidentified
identified within
within River
h a vebeen
Disposal
D i s p o sa lOptions
Op ti o n s
possible disposal
disposal of
dr edged
IThree
for possible
of dredged
T h r e esites
i d e ntified for
si te s have
h a vebeen
b e e nidentified
Table
a b l e12
1 2 lists
l i s t s those
t h o s esites
s i t e s and
and
materials
m a t e r i a l swithin
R i v e rSegment
S e g m e 3.
n3t. T
w i t h i n River
their
t h e i r estimated
e s t i m a t e dcapacities.
capacities.
TABLE 12
I2
TABLE
IRIVER
SEGMENT
3
OPTIONS
3 -. DISPOSAL
DISPOSAL
R IV E R
S EGMENT
OPTIONS
Approximate Capacity
Approximate
Capacity
Site
S i t e No.
No.
l1
37,000
3 7 , 0 0 0cy
cy
12
12
32,000
3 2 , 0 0 0cy
cy
13
13
30,000
30,000cy
cy
I11
ITOTAL
TOTALCAPACITY
CAPACITY
99,000
99,000cy
cy
p h ysi ca l characteristics
par ameterfor
sfor use
T h ephysical
The
u s e of
o f each
eachof
of the
the
ch a ra cte ri sti cs and
and parameters
a
b o v esites
i s c u s s i o n son
the following
fol lowing
above
discussions
s i t e s is
i s ccontained
o n t a i n e din
i n the
t h e site
site d
on the
pages.
pages.
59
I.
t .%..... .J.1......
Disposal
Disposalsite
site
I
Per ipher aldiking
Peripheral
diking
IIII
Interior
I n t e r i o r diking
diking
lImmf
1111111111Natural
Natural barrier
barrier
84
84 Y
U
OutfalI
I Outfall
)
n
point
D Discharge
point
Dischar ge
pipe
Outfall
OutfalI pipe
'
7,"
P
P Primary
Pr im ar yfill
fill area
ar ea
"N.
\
/
s
S Secondary
fill
Secondary
fill area
area
N
A Overflow
0verfl ow
'.
/
Surface drainage
Surface
drainage
-
- --'
/
I
I
-4-
!
I
/
\
I
i
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\
,)
t
-t
:f
-.:..
.::
I
I
7
t
11
11
/
/
I"
/
I,
/
I
,,,
-
Yaquina
Bay Dredged
Dredged Material
Material Disposal
YaquinaBay
DisposalPlan
Plan
Figure8I
Figure
Scale
1: 400
Scale1":4OO'
60
60
I
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I
I
Wilsey&
Ham
Wilsey&Ham
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
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t
I
I
t
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t
T
I
I
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I
II
II
I
I
( t t l u s t r a t e d on
F i g u r e8)
ISITE
11l (Illustrated
S I T E1
8)
o n Figure
Site
S i t e Description:
Description:
Poole' s Slough
Location:
L
o c a t i o n : Approximately
A p p ro xi ma te l 1,800
y1 ,800feet
feet east
east of
of Poole's
Sloughon
on the
the south
south
R
i
v
e
r
.
side
of
Yaquina
River.
side of Yaquina
ISize:
S i z e : 200'
2 0 0 ' xx 500'
500'
rds at
feet, uncompacted
ICapacity:
yards
3 7 ,0 0 0cubic
cu b i c ya
at 10
l0 feet,
uncompacted
C a p a ci ty: 37,000
drainage
i s the
t h e opening
rainage
Physical
P h y s i c a lCharacteristics:
C h a r a c t e r i s t i c s : This
T h i s site
s i t e is
o p e n i n gof
o f a small
small d
system,
which
and widens
widens at the
h i ch flattens
fl a ttens out and
baseof the
the steep
stee p
syste m,w
the base
hills.
The
hills. T
n o r t h end
i s diked
d i k e dby
t h e county
c o u n t yroad.
road.
h enorth
e n dof
o f the
t h e site
s i t e is
b y the
end
th e
The
site
slopes
upward
to
the
south,
and
the
north
end has
the
sl
o
p
e
s
to
the
south,
and
the
nor
th
has
T
h
e
si
te
u
pwar
d
'lowest
A
lowest elevation.
Soil
elevation. S
o i l type
t y p e is
i s aa Fendall
F e n d a l lsilt
loam. A
s i l t loam.
seasonal
dr ainingthe
the surrounding
sur r oundin g
se a so n acreek
cre
'l e k runs
thr oughthe
the site
site draining
ru ns through
hills.
h
ills.
Grasses
of the
th e
Biological
Bi o l o g i ca l Characteristics:
assescover
cover the
the "bottomlands"
C h a ra cte ri stics: Gr
"bottomlands"of
site,
The
s i t e , and
a n dsome
s o m efreshwater
f r e s h w a t e marsh
rm a r s hvegetation
v e g e t a t i o nis
i s visible.
v i s i b l e . The
hills
a n dDouglas
D o u g l afir.
sf i r .
h i l l s surrounding
s u r r o u n d i n the
g
t h e site
a r e covered
c o v e r e dby
b y alder
a l d e r and
s i t e are
i n h a b i t the
t h e site,
arious
Shrews,
moles
ass w
well
ass v
various
a n d squirrels
el a
S h r e w sm
, o l e sand
s q u i m e ls inhabit
s'ite, a
p e r c h i n gbirds,
Iperching
b i r d s , including
i n c l u d i n gwoodpeckers.
woodpeckers.
Z o n i n g: A-2
A -2
Zoning:
C o m p r e h e n siPlan:
vel a n : Rural
IComprehensive
P
R u ra l residential
residential
Ownership:
Private
Elizabeth
Hall,
0wnership:P
r i v a t e -- E
R u s s e l 0.
l0 . S
Sinnhuber
l i z a b e t hH
a I l , cdo
/ o Russell
innhuber
IEngineering
E n g i n e e r i n Considerations:
C o n s i d e r a t i o n: s
g
pipeline
Method
and
o f Dredging
a n dFilling:
F i ' l l i n g : Hydraulic
M
e t h o dof
Dredging
H y d r a u l i cpipeline
Design
D e s i g nCriteria:
C r i t e r i a : Upland
U p l a n ddrainage
d r a i n a g emust
m u s tbe
b e diverted
d i v e r t e dthrough
t h e fill
f i ' l l site.
t h r o u g hthe
site.
gravel cut-off
Protect road
road embankment
embankment
Protect
on
on north
north by
by construction
construction of
of aa gravel
cut-off
p l a s t i c filter
p l a c e dover
wall.
A sand
with
f i l t e r fabric
w
all. A
s a n dblanket
b l a n k e tw
o v e r the
the
i t h plastic
f a b r i c placed
placem ent
surface
of
material.
re d u ceclogging
dr edged
m ater ial.
s urfa ceshould
sh o u l dreduce
cloggingupon
uponplacement
of dredged
Maintenance
of
is important
im por tantto stability
the
Ma
i n te n a n ce
o f low
l o w soil
stability of the
so i ' l saturation
satur ation is
(S
Iroad
r oa d embankment
e mb a n kme(See
n t e eFigure
f' low should
be to
to deep
deepwater.
wa ter .
F igur e8).
8) . Return
Retur nflow
shouldbe
Site
P re p a ra ti o n : Construct
C o n stru ctdrainage
diver sionwith
culver t,
Si t e Preparation:
dr ainagediversion
with use
useof
of culvert,
f i l l i n g and
f l o w , and
spillways,
s p i l l w a y s ,road
r o a dundercrossings
u n d e r c r o s s i n gfor
f so r filling
r e t u r nflow,
a n dreturn
a n dwall.
wall.
mi n o r clearing
necessar y.
Some
S
o meminor
cl e a ri n g and
is necessary.
a n dleveling
leve' lingis
yar d
Site
D e ve l o p meCost:
n
Cto st: $0.44/cubic
S i t e Unit
U n i t Development
$0.44lcubicyard
61
I61
yard range
Dredging Cost:
Dredging
yard
Cost: $3.00/cubic
rangedue
dueto
to higher
higherelevation.
elevation.
$9.00/cubic
Future Use
Use Constraints:
Constraints
Future
0penspace
spaceuse
Open
useis
is desirable
desirablefor
for at
at least
least 10
l0
yearsto
settling and
years
settlin9
to allow
allowadequate
adequate
andcompaction
compaction.
Envi
ronmental Considerations
Considerations :
Environmental
pr im ar ily
Effects
E f f e c t s of
o f Disposal
D i sp o sa l : T
s ite contains
This
contains a small
ecotype used
used primarily
h i s site
small ecotype
p e rchingbirds.
by
b y mo
moles,
l e s, shrews
sh re w sand
a n dperching
bir ds. Filling
Filling of
of the
des tr oy
the site
site would
woulddestroy
somespecies
some
attempt to relocate
species and
and force
force the
the rest
rest to attempt
relocate. Displaced
Displaced
f a un a w
o u l dhave
h a veto
re l ocate in
in ar
fauna
would
areas
whereeniches
weree available
available o
orr
to relocate
eas wher
niches wer
p e ri sh . T
perish
h e habitat
h a b i ta t that
th at would
The
wouldbe
be lost
lost is
is not
not unique
uniqueto
to the
the overall
over al l
area.
area.
The site
could be
and new
established
The
be revegetated,
revegetated, and
site could
habitat types
newhabitat
types established
ye a rs.
i n three
in
th re e to
to seven
se ve nyears
Other
Co n si d e ra ti o n s:
0 t h e r Considerations
l l is
Site
S i t e 11
i s currently
cu rre n tl y undeveloped,
but
for
u n d e ve loped,
but is
is designated
designated
for rural
r ur al residential
r esidentia l
plan. Placem
use
plan
i n the
th e current
u
s e in
cu rre n t comprehensive
co mp re h ensive
Placement
entof disposal
disposalmaterials
m ater ials on
on
r o v i d ea ssuitable
tthe
h e ssite
ite w
o u l dp
would
provide
building
however,
u i t a b l e rresidential
esidential b
u i l d i n g ssite;
ite; h
owever,
p re c ludedfor
year s after
use
off the
th e site
u
se o
si te would
for 77 to
w o u l dbe
b e precluded
to 10
l0 years
after filling
filling had
[ad
been
b
e e ncompleted.
c o mp l e te d . Because
B e ca u se
S i te 11
ll may
maynot
not be
Site
be filled
filled to
to capacity
capacityfor
for approxiappr ox i a rs, it
per manent
m a t e l y10
l0 ye
i t would
b e 15-20
15- 20year
mately
years,
yearss before
residence
w o u l dbe
befor e aa permanent
r esidencecould
coul d
be constructed
be
constructed on
on the
the site.
The current
site. The
current owner
ownerhas
has indicated
indicated that
that he
he would
would
e a r s , aand
l i k e tto
o d
e v e l o ptthe
h e ssite
in 5
- 7 yyears,
like
develop
5-7
would
not
bee w
willing
have
i t e in
n dw
o u l dn
ot b
i l l i n g tto
o h
ave
p l a c e don
d i s p o s a lm
a t e r i a l splaced
disposal
materials
o n the
t h e -site
s i t e after
a f t e r that
t h a t time
t i m e . This
T h i s site
s i t e is
i s aa
riority u
h
igh p
s e ssite,
high
priority
use
i t e , ssince
i t is
i n c e it
i s tthe
h e oonly
n l y aavailable
i s p o s a l ssite
v a i l a b l e tland
a n d ddisposal
ite
within
Ri ve r Segment
w i t h i n River
S e g me n33t . In
der to
In or
to m
aximizeits
order
maximize
its efficient
efficient use
for the
usefor
the
d i s p o s a'lof
o f dredged
d re d g e dma
te ri a l s, acquisition
disposal
materials,
may
acquisition m
aybe
necessar y.
be necessary
II
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( l l l u s t r a t e d on
F i g u r e9)
9)
ISITE
o n Figure
S I T E12
l 2 (Illustrated
Site
S i t e Description:
Description:
no r th
Com pany
on
Approximately
4 m
miles
Oyster Company
on north
iles east
east of Oregon
0r egon0yster
Location
p p ro xi ma te l 0y .4
L o c a t io n : A
off highway.
Iside
side o
h i g h w a y.
Size:
275'
S i z e : 300'
3 0 0 ' xx 275'
ya rds at
at 10
l0 feet
feet depth,
depth,uncompacted
uncom pacted
cu b i c yards
Capacity:
C a p a ci ty: 32,000
3 2 ,0 0 0cubic
by
by hills,
hills, which
wh i c h
ar ea surrounded
sur r ounded
Low- ' lyingarea
Physical
C h a ra cte ri stics: Low-lying
P h ysi ca lCharacteristics:
The
soil
is
a
Coquille
i
s
a
s
o
i
l
C
oquille
T
h
e
is
the
basin
for
a
small
drainage
system.
d
r
a
i
n
a
g
e
s
y
s
t
e
m
.
is the basinfor a small
as
a
sm
alI
There
are
small
tide
channels,
as
well
as
a
small
as
wel]
I
tide
channel
s,
silt
loam.
si I t I o a m. T h e rear e sm al
fresh-water
creek.
fresh-watercreek.
a
marsh
a diked
d i k e dm
a r s hin
in
s i t e is
i s considered
considered
C h a r a c t e r i s t i c s : This
T h i s site
IBiological
B i o l o g i c a l Characteristics:
p
r
i
m
a
r
i
l
y
g
r
a
s
s
l
a
h
d
.
The
site
is
primarily
i
s
T
h
e
s
i
t
e
transition
to
a
terrestrial
grassland
transition to a terrestria'l
e d g e sof
g r a s s e s ,with
t h e edges
of
grasses,
o n the
t h e salt
v a r i e t i e s occurring
o c c u r r i n gon
w i t h the
s a l t varieties
The
borders
along
the
hills
to
the
h
i
l
l
s
t
o
the
t i d e channels.
c h a n n e l s . T h e b o r d e r sa l o n g t h e
tthe
h e small
s m a l l tide
fir
,
sitka
spr uc e,
west,
north,
and
east
are
covered
by
a
Douglas
fir,
sitka
spruce,
w e st, n o rth , a n d east ar e cover edby a Douglas
Various
moles,
shrews,
m
o
l
e
s
,
s
h
r
e
w
s,
f l o r a l assemblage.
alder,
a n dmaple
m a p l efloral
a s s e m b l a g eV
. arious
a l d e r , and
per
ching
sever al perching
mice
as well
well as
as several
ra cco o nuse
this habitat,
habitat, as
mi ce and
a n d raccoon
use this
birds.
birds.
Zoning
Z o n i n g : A-2
A-2
Comprehensive
R u ra l residential
residential
P
C
o m p re h e n siPlan:
vel a n : Rural
W e]ls
May
Johnson, c/o
do Saralee
Sar aleeWells
ayJohnson,
e ta M
IOwnership
P ri va te -- LLeta
0 w n e r sh i p : Private
:s
Engineering
Consideration
E n g i n e e r i nConsiderations:
g
Filling:
IMethod
M e t h o dof
o f Dredging
D r e d g i n and
ga n d Filling:
IDesign
Criteria:
D e s i g nC
riteria:
Pipeline
P
i p e l i n e Dredge
Drecige
( S e eFigure
Similar
1 1 (See
F i g u r e8)
8)
S i t e No.
N o . 11
S
i m i l a r to
t o Site
ll
t o Site
S i t e No.
N o .11
Site
S i m i l a r to
S i t e Preparation:
P r e p a r a t i o n : Similar
yards
C
Site
S i t e Unit
D e v e l o p m eCost:
n to s t : $0.60/cubic
U n i t Development
$ 0 . 6 0 / c u b i cyards
yar
$2.00/cubic
yardd range
r ange
Dredging
D r e d gi n gCost:
C o st: $
2 .OO/cu b ic
ll
t o Site
S i t e No.
N o .11
S i m i l a r to
IFuture
F u t u r eUse
U s eConstraints:
C o n s t r a i n t s : Similar
:
Considerations:
IEnvironmental
En v ri o n me n ta C
l o n si d e ra ti ons
diked
i n u n d a t eaa diked
f i l l i n g of
o f this
t h i s site
s i t e would
w o u l dinundate
T h efilling
Effects
o f Disposal:
D i s p o s a l : The
E
f f e c t s of
pr esentl y
p e rma n e n tlclosing
y o s ing off
marsh,
the small
sm all tide
tide channels
that presently
cl
off the
channelsthat
m a rsh ,permanently
63
63
RI
/
/
/
(
--
I
1'
13
p
Yaquina Bay
Bay Dredged
Material
MaterialDisposal
DisposalPlan
Yaquina
Dredged
Plan
Figure 9
9
Figure
Scale
1 :400
Scalc 1":4OO
64
Wi
Isey &Ham
Ham
Wilsey&
I
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I
I
T
I
gr assland,
exist.
e xi st. Most
is in
in transition
tr ansition to
to terrestrial
ter r estr ia' l grassland,
o f the
th e site
si te is
Mo stof
is completed.
com pleted.
which
after the
the disposal
disposa'project
lpr ojectis
b e reestablished
re e sta b lishedafter
w hi chcould
co u l d be
groupsdependent
relocate
The faunal
dependent upon
channels would
would relocate
the tide
tide channe'ls
faunal groups
uponthe
The
grassland
p e r i s h . Those
g r o u p sexisting
p o s s i b l eor
i n the
t h e grassland
e x i s t i n g in
T h o s egroups
where
o r perish.
w h e r epossible
Once
p r o b a b l yrelocate,
loss. 0
nce
environs
s i g n i f i c a n t loss.
r e l o c a t e ,without
w i t h o u tsignificant
e n v i r o n swould
w o u l dprobably
gr oupswould
ak e
r etur n to
to m
vegetation
was
would return
make
the faunal
faunal groups
re e sta b lished,the
v e g e ta ti o nw
a s reestablished,
h a b itats.
use
u se of
th e various
va ri o u shabitats.
o f the
Other
O t h e rConsiderations:
Co n si d e ra ti o n s:
wetland/marsh
dueto
to its
its wetland/marsh
Site 12
recomended for
for current
cumentuse
usedue
12 is
is not recorrnended
r e q u i r e das
a s outlined
outlined
b e required
were
mitigation
would
itigation w
o u l dbe
o bbee uused,
s e d ,m
habitat.
h a b i t a t . I[f
t w
e r e tto
f iit
p r o x i m i t yto
t o the
t h e shoaling
shoa'ling
t s cclose
l o s e proximity
P l a n n i n gGoals.
G o a l s . IIts
Goal
off the
iin
n G
S t a t e Planning
o a l 16
16 o
t h e State
standpoi nt;
fr om an
an engineering
engineer ingstandpoint;
areas
makes
disposal site
site from
a cce p ta b ledisposal
a r e a sm
a ke sit
i t an
a n acceptable
p re se n ceof
it unacceptable
unacce ptabl e
however,
wetland/salt
water conditions
makes it
conditions makes
h o w e v e r,the
of w
e tland/salt water
th e presence
t h i s analysis
analysis
i t h i n this
within
i s included
i n c l u d e dw
T h esite
s i t e is
from
f r o m an
e n v i r o n m e n t astandpoint.
slt a n d p o i n t . The
a n environmental
p r o v i d e djl
p o s s i b l ybe
in
e r eprovided
itigation w
because
it
mitigation
were
b e used
u s e dif
i f adequate
adequatm
e
because
i t could
c o u l d possibly
pr oviding m
benefi ts
offset the
the bene1its
migitation
could offset
return.
th e cost
co st of providing
igitation could
r e t u r n . However,
H o w e ve r,the
p i o x i m i t yto
- t othe
p r o v i d e dby
channel.
n a v i g a t i o nchannel.
provided
t h e navigation
c l o s eproximity
t h e site's
b y the
s j t e ' s close
I
agencies r
The
Theresource
r esour ceagencies
not recommended.
r ecomm ended.
At this
o f Site
S i te 12
1 2 is
is not
t h i s time
ti me use
u se of
m ak e
the site
site would
represented
believe
would make
docum ent
be' lievethat
that the
re vi e w of
o f this
this document
r e p r e s e n te din
th e review
i n the
tidegate would
would
Removal
existing tidegate
an
a re a. Rem
oval
of the
the existing
a n excellent
e x c e l 'l e n tmitigation
mi ti g a ti o n area.
pr eviouslyoccurred
that
For that
the site.
site. For
return
occur r edon
onthe
i n fl u e n cethat
that previously
r e t u r n the
th e tidal
ti d a l influence
c
o
u
n
t
y
'
s
m
i
t
igation
f
o
r
t
h
e
reason
is
suggested
that
Site
12
be
considered
for
the
county's
mitigation
t
h
a
t
b
e
c
o
h
s
i
d
e
r
e
d
r e a s o nit
i
s
S
i
t
e
'
'
1
2
it
suggested
futur e mitigation.
m itigation.
bank
si te for
for future
b a n kas
a s an
a n acceptable
a cce p ta b l esite
i
I
t
I
I
T
655
6
( I l l u s t r a t e d on
S
I T E13
1 3 (Illustrated
SITE
F i g u r e9)
o n Figure
9)
Site
S
i t e Description:
Description:
Location: Approximately
Location:
on
Approxirnately0.6
0.6 miles
miles east
east of Oregon
the
0regonOyster
0yster Company
Company
on the
n orth side
north
si d e of
o f the
th e highway.
h i g h way.
Size:
S
i z e : 500'
5 0 0 ' xx 200'
200'
Capacity:
Capacity:
30,000 cubic
cubic yards
yards at
at 10
depth, uncompacted
uncompacted
30,000
l0 feet depth,
Ph
ysi ca lCharacteristics:
Physical
C h a ra cte ri stics: The
is aa former
for m er marsh
that was
dik ed
The site is
mar shthat
wasdiked
byy th
the
construction
The
soil
is
a
b
e co
n stru cti onof the
the county
countyroad.
is
r oad. The soil
a Coquille
Coqu i l l e
silt
si
l t loam.
l o a m. Freshwater
F re shwaterflows
ainage
flows into
area
from
upland dr
drainage
into the ar
ea fr
om upland
q
u
a
n
t
i
t
i
e
s
;
quantities.
Tidal
influence
ssystem,
y s t e m ,although
a l t h o u g hnot
n o t in
i n significant
T
i
d
a
l
i
n
f
luence
significant
occurs
o ccu rsdaily
d a i l y due
d u eto
to aa faulty
faulty tidegate.
tidegate.
Z o n i n g : A-2
Zoning:
A-2
Comprehensive
C o m p r e h e n siPlan:
vel a n :
P
Rural
R
u ra l Residential
Residential
Ownership:
0 w n e r sh i p : P
Private
Reinoehi
ri va te -- Claude
Reinoehl
C 'l a u de
Engineering
En
g i n ee ri n gConsiderations:
C o n si d e ra ti o n: s
M e t h o dof
Method
and
Dredging
o f Dredging
a n dFilling:
Filling:
Pipeline
P
i p e l i n e dredge
dredge
( S e eFigure
D
e s i g nCriteria:
Design
C r i t e r i a : Similar
S i m i l a r to
t o Site
S i t e No.
N o . 11
l l (See
F i g u r e8)
B)
Site
S i t e Preparation:
P r e p a r a t i o n : Similar
S i m i l a r to
t o Site
S i t e No.
l1
N o .11
ds
Site
S i t e Unit
U n i t Development
D e ve l o p meCost:
n
Cto st: $0.45/cubic
$0.45/cubic yar
yards
D r e d g i n gCost:
Dredging
C o st: $
$2.00/cubic
yardd range
r ange
2 .0 0 /cu b i cyar
F
Future
u t u r eUse
U s eConstraints:
C o n s t r a i n t s : Similar
S i m i l a r to
t o Site
11
S i t e No.
N o .11
Environmental
En v ri o nme n taConsiderations:
l o n si d e ra ti o ns
:
C
Ef f e c t s of
Effects
d i ver se mar
marsh
would
o f Disposal:
D i sp o sa l : AA diverse
shassemblage
assem blage
wouldbe
be destroyed
destr oyedby
by the
the
f i l ' l i n g of
filling
o f this
t h i s site.
s i t e . The
T h emarsh
m a r s his
i s regularly
r e g u l a r l yflushed
f l u s h e dby
b y tidal
tidal
gr asses .
action,
a cti o n , and
a n d supports
su p p o rtsaa variety
var iety of freshwater
fr eshwaterand
and saltwater
saltwater grasses.
As a
marshland,
As
a ma
rsh l a n d it
,i t supports
su ppor tsvarious
water fow l .
var ious shorebirds
shor ebir dsand
and some
som ewaterfowl.
g ro u p sw
fl o ra l groups
The
would
dredged
materials,
and coul
couldd
T
h e floral
o u l dbe
be buried
bur ied by
by the
the dr
edgedm
ater ials, and
not be
destroyed
not
marine fauna
be replaced.
replaced. The
The marine
fauna using
the area
be destroyed
using the
area would
would be
also.
a l so . A
Avifaunal
and
mamalian use
vi fa u n a l a
n d mamnalian
of the
thesite
site would
beterminated,
ter m inated,
useof
wouldbe
as the
the various
as
various species
specieswould
be forced
forced to
relocate. The
role of
wouldbe
to relocate.
The role
of the
the
p roducerfor
ma rshas
a s aa nutrient
n u tri e n t producer
marsh
the estuarine
estuar inesystem
also be
for the
systemwould
wouldalso
be
terminated.
terminated.
66
66
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pr ogr am
is
IVegetation
is
re e stablishedafter
after the
the disposal
disposalprogram
V e ge ta ti o ncould
b e reestablished
co u l d be
develop
habitats would
Ass the
would develop
completed.
c o mp l e te d . A
th e vegetation
ve g e tationstabilized, habitats
faunal species,
species,
which
would
the
w
h i chw
o u l dencourage
th e influx
influx of
of terrestrial
ter r estr ial faunal
e n co u ra g e
This may
may take
seven
bir ds. This
take seven
bringing
and
b r i ng i n g in
sma l ' lmammals
mar nnals
andbirds.
i n various
va ri o u s small
placementof
to ten
years after
dredgematerials.
materials.
ten years
the placement
of dredge
after the
Other
0 t h e r Considerations:
C o nsi d e ra ti o n s:
marsh
Site 13
recommended for
for current
currentuse
usedue
dueto
to the
the saltwater
sa'ltwatermarsh
is not recornnended
13 is
w o u l dbe
be
were
b e used,
u s e d ,mitigation
m i t i g a t i o n would
which
I f iit
t w
t o be
e x i s t s on
t h e site.
s i t e . If
e r eto
w
h i c hexists
o n the
I t ' s close
P l a n n i n Goals.
gG o a 1 s . It's
close
required
t h e State
S t a t ePlanning
r e q u i r e das
a s outlined
i n Goal
G o a l16
' 1 6of
o f the
o u t l i n e din
p r o x i m i t y to
fr om
disposal site
site from
proximity
makes it
it an
an acceptable
acceptabledisposal
to the
a re as makes
th e shoaling
sh o a l i n gareas
esenceof wetland/saltwater
Ian
standpoint;
presence
wetland/saltwater marsh
mar s h
a n eengineering
n g i n e e ri n gsta
o weverthe pr
n d p o i n t; hhowever
The
conditions
from
standpoint.
fr oman
an environmental
envir onmental
standpoint. The
ma ke sit
i t unacceptable
c o n d i t i o nsmakes
u n a cce p table
p o t e n t i a ' l l ybe
be
site
within
it
because
i t could
c o u l d potentially
i s included
i n c l u d e dw
t h i s analysis
a n a l y s i s because
s i t e is
i t h i n this
pr ovidedin
the
of
Howeverthe
n cost
cost of
in return
r etur n. However,
used
mitigation
were
i f adequate
a d e q u a temi
er e provided
u s e dif
ti g a ti o n w
pr ovidedby
p r o v i d i n g acceptable
the
by the
providing
mitigation
the benefits
benefits provided
a cce p ta b l emi
ti g a ti o n could
could offset the
the
addition,
p r o x i m i t yto
d d i t i o n , the
t h e navigation
c h a n n e l . In
In a
site's
c ' l o s eproximity
t o the
n a v i g a t i o nchannel.
s i t e ' s close
for the
p r o p e r t y owner
site for
the
property
to use
use of
of the
the site
stro ng opposition
oppositionto
o w n e rhas
h a s voiced
vo i ce d strong
p' lansto
tr out
disposal
materials,
constr uct aa trout
has plans
to construct
d i s p o s a l of
o f dredged
d re d g e dma
te ri a l s, since
since he
he has
p o n do
Ipond
onn the
t h e site.
site.
The
agencies
r esour ceagencies
1 3 is
i s not
Theresource
t ime use
o f Site
S i te 13
not recommended.
r ecom m ended.
At this
t h i s time
u se of
would
believe that
the site
site would
represented
believe
this document
document
that the
i n the
th e review
re vi e w of
o f this
r e p r e s e n te din
and the
the road
r oad
Removal
the tidegate
of the
tidegate and
make
m
a k ean
ar ea. Rem
oval
a n excellent
e xce l l e n t mitigation
mi ti g a ti o n area.
tidal influence
influenc e
p l a ce don
the tidal
debris
would return
r etur n the
b y Lincoln
L incoln County
Countywould
d e b r i s placed
th e site
si te by
o n the
that
For this
this reason,
that
is suggested
suggested
it is
p r e vi o u sl yoccurred
r eason,it
th e site.
that
o n the
site. For
t h a t previously
o ccu me don
for
a c c e p t a b l esite
a s an
a n acceptable
s i t e for
Site
for
mitigation
b a n kas
f o r the
i t i g a t i o n bank
S i t e 13
1 3 be
b e considered
considered
t h e county's
c o u n t y ' sm
future
f u t u r e mitigation.
mitigation.
67
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Sumnary
& Recommendations
Recgrmendations
Summary &
Dredgingneeds
needswithin
within River
River Segment
Segment
Dredging
33 are
are estimated
estimatedto
beapproxito be
approxiya rd s over
planningperiod.
m a t e l y75,000
year planning
7 5 ,0 0 0cubic
cu b i c yards
per iod. Almately
the 20
20 year
o ver the
Alt h o u g hthe
th e to
ta l ca
p a ci ty o
though
total
capacity
off the thr
three
ee sites
sites identified
identified in this
this
rds, only one
s e g m e nis
( Site 11)
its 99,000
9 9 ,0 0 0cu
b i c ya
segment
cubic
yards,
one of
of the sites
sites (Site
ll) is
is
readily acceptable
readily
acceptable to
to the
the state
state and
and federal
federal agencies
agencies which
which are
r e s p o n si b l efor
per m it applications.
fo r review
re vi e wof
responsible
o f permit
applications. Since
Sincesufficient
sufficient
l a n d si
te s a
re , th
u s, n
o t available
land
sites
are,
thus,
not
available in
River Segment
Segment 3, other
other
in River
options must
be explored
projected dredged
explored for
disposal of
for disposal
options
must be
of the
the projected
dredged
m
a t e r i asl .
materials.
0 p t i o n1l : Site
S i t e 11
Option
l l has
a r d s , which
h a s aa capacity
c a p a c i t yof
o f 37,000
3 7 , 0 0 0cubic
c u b i c yyards,
which
would
accommodate
about one-half
generated
one-half of
of the
the dredged
dredgedmaterials
would accommodate
about
materials generated
w
i t h i n River
R i ve r Segment
within
S e g me n3.
3t . By
extendingthe
B y extending
the length
length of
of the
the hydraulic
hydr aulic
p i p e l i ne and
pum p,it
u si n g aa booster
a n d using
b o o sterpump,
pipeline
materials
it is
is expected
expectedthat mater
ials
f r o m all
all o
th e shoaling
sh o a l i n gareas
a reas in
in River
River Segment
from
off the
3
Segm ent
3 could
could be
be disposed
disposed
onn Site
o
S i t e 11.
ll.
T
h e capacity
ca p a ci ty o
ll would
The
off Site
Site 11
would meet
meet the
the dredging
needs
dr edgingneeds
ye a rs. After
f o r the
t h e next
n e xt 10-12
1 0 -1 2years.
for
After Site
Site 11
ll has
hasbeen
beenused
usedto
to capacity,
capacity,
additional
materials can
bucketdredged
canbe
bebucket
dredged
additional materials
and
to
andbarged
barged
offtothe
theoffshore ocean
property owner
oceansite
site for
shore
for disposal.
disposal. The
cument property
exThe current
ownerhas
hasexp r e s s e da
pr oper ty for
e si re to
to develop
d e ve l o phis
his property
pressed
a d
desire
for residential
r esidential use
use within
years. Therefore,
the next
next few
the
few years.
implementationof
Therefore, implementation
would
of Option
0ption 1I would
p r o b a b l yre
p u rch a sea
q u i re purchase
cquisition of the
the site
site.
probably
require
acquisition
Option
0ption 2:
2: The
The Port
Port of
of Toledo
Toledomay
maybe
be able
negotiate aa short-term
able to
to negotiate
short-term
lease
ll property
lease with
with the
the Site
Site 11
property owner
owner if
were to be
used
if the site
site were
be used
o n l y once,
o n ce , and
i n the
only
a n din
th e near
n e a rfuture.
futur e. Thus,
Thus, the
site could
the site
could be
used
be used
g ener atedduring
f o r disposal
d i sp o sa l of
per iod,
o f materials
ma te ri a l s generated
for
dur ing the
next dredging
the next
dr edgingperiod,
and all
all subsequent
subsequentmaterials
materials would
and
would be
be barged
bargedto
to the
the off
off shore
shore ocean
ocean
ssite
i t e for
f or disposal.
d i sp o sa l . Because
B e ca u se
of
of the
the settling
time
settling and
and compaction
needed
compaction
time needed
before development
development
property owner
could occur
before
could
occur on
on the
the site,
the property
site, the
may
ownermay
n o t believe
b e l i e ve this
th i s to
not
to be
b e an
a n attractive
a ttr active alternative.
alter native.
Option
0
p t i o n 3:
3: A
l l dredged
d re d g e dma
ter ials from
fr om River
All
materials
3
River Segment
Segm ent
3 could
be
could be
d i s p o s e din
i n the
th e o
disposed
off
ff shore
sh o re ocean
disposal site
o ceandisposal
This would
site. This
wouldresult
r esult
i n higher
year
h i g h e r dredging
d re d g i n gcosts
co sts during
in
yearss since
d u r ing the
the first
fir st 10-12
10- 12
use
since use
' less
p i p e l i n e dredge
gener ally less costly
o
t h e hydraulic
h yd ra u l i c pipeline
off the
d r edgeis
is generally
costly than
than
b a r g i n gthe
barging
th e materials
ma te ri a l s 6-8
6 -8 miles
to the
miles to
the ocean
for disposal
oceanfor
disposal.
Option 1I or
or 22 is
is recommended
recormended
Option
for
33 and
for River
River Segment
and the
Segment
the choice
choice
betweenthe two
is dependent
between
two is
dependent upon
arrangements which
which can
uponthe
the arrangements
be
can be
madebetween
propertyowner.
betweenthe
the Port
made
Port of
of Toledo
Toledoand
andthe
the property
owner. Option
l,
Option 1,
p ro b a b l yrequire
w h i c hwould
pur chaseof
w o u l dprobably
re q u i re the
the outright
which
outr ight purchase
of the
the site
site is
is the
the
p
referableo
p ti o n because
b e ca u seit
preferable
option
allows maximum
maximum use
i t allows
use of the
the site
site.
68
68
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if bucket
bucketdredges
dr edges
mayyb
become
increasingly
viable if
e com e
incr
easingly viable
o w e ve r,ma
, hhowever,
o
O)tion
p t i on 33,
2.
within River
RiverSegment
Segment
2. This
This
sh o a l i ngareas
ar easwithin
a ree used
u se dto
to remove
re mo veshoaling
)uld
result
in
more
efficient
use
of
bucket
dredge
and
barge.
dr
edge
bar ge.
the
bucket
and
w(
w o u ld re su l t i n mo ree ffi cient use of
iee P
Port
should
coordinate
closely with the
the Corps
of
dinateclosely
Cor psof
Th
o rt o0ff TToledo
o l e d osh
o u l d coor
mainigineers
to d
determine
when
they will
will schedule
schedule future
futur e channel
channelmainEt
En
g i n e e rsto
e te rmi n ew
h enthey
in deciding
deciding
the Port
Por t in
d re d g i n g . This
i n for m ationwill
will assist
assist the
ttenance
n a ncedredging.
T h i s information
the
most
acceptable.
wiich
h i ch ooption
p ti o n iis
s th
e mo
st acceptable.
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RiverSegment4
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- 15
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Rii,e
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Plan
Material
Disposal
Plan
Disposal
Material
Bay
Dredged
Dredged
Bay
Yaquina
Yaquina
I
I
River
Segment 4
River
sesJgf1l,*
DisposalSite
I
II
Itr Shoaling
Shoaling Area
a..
Area
II
I
,
Disposal Site
Scale T:1760
Wilsey&
Ham
WileeY&Ham
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( R M R MILE
R r v E RS
E G M E4
T
IRIVER
M I L E7.9
7 . 9 TO
T 0 RIVER
R r V E MILE
R
SEGMENT
4N (RIVER
M r L E9.8)
9.8)
Dredging
Needs
Dredging Needs
Ir
Ma
i n te n a n ce
o f Existing
E xi sting Projects
Pr ojects
Maintenance
of
Approximately
54,000cubic
cubic yards
dredgedmaterial
Approximately 54,000
yards of
of dredged
material would
would be
generated
be generated
b y Corps
c orp s o
E n g i n e e rschannel
ch a nnelmaintenance
by
off Engineers
maintenance over
20
over the
the upcoming
upcom ing
20-year
year
p l a n n i n gperiod.
p e ri o d . T
planning
h i s is
i s the
the only
pr 6Sectlato
dr edgingprojected
This
only maintenance
maintenance dredging
o c c u r within
w i th i n River
Ioccur
R i ve r Segment
S e g ment
4.
4.
r C
o n stru cti o nof
o f New
N ewProject
Pr oject
Construction
n ewconstruction
N o new
co n stru cti o nactivities
a cti vi ties resulting
r esulting in
in the
No
the disposal
disposal of
of dredged
dr edged
m
a t eri a l s have
h a vebeen
b e e nidentified
i d e n tified within
within River
RiverSegment
materials
4.
Segm ent
4.
D i s p o s a lOptions
IDisposal
Options
T
a b l e13
l 3 outlines
p r o p o s esites
ds i t e s and
o u t l i n e s the
t h e proposed
a n dtheir
Table
t h e i r approximate
a p p r o x i m a capacities.
tcea p a c i t i e s .
TABLT13
I3
ITABLE
RIVERSEGMENT
SEGMENT
4 -- DISPOSAL
RIVER
4
OPTIONS
DISPOSAL
OPTIONS
S i t e No.
ISite
No.
ApproximateCapacity
Capacity
Approximate
l14
4
19 , 0 0 0cy
cy
19,000
t155
cy
15,000 cy
l16
6
60,000cy
cy
60,000
.|5,000
TOTALCAPACITY
CAPACITY
ITOTAL
The
p a g e spresent
o l l o w i n g pages
p re se nt aa description
physical characteristics
descr iption of
The ffollowing
of the
the physical
char acter is ti c s
p o te n ti a l use
a n d the
t h e potential
u seof
o f each
eachof
and
of the
the above
abovesites.
sites.
tI
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94,000cy
cy
94,000
I
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"--- r
,,f
:{.L:+lii:.:{.}
.3il:+lillii:
n
IIII
ilnrllll
I
tr
/-t
'i/
l--_---t
Disposalsite
Per ipher aldiking
Interior diking
Natural barrier
0utfal I
Dischar gepoint
0utfall pipe
P Pr imar yfill ar ea
s Secondaryfill area
A Overflow
Surfacedrainage
i
R':
14
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Ri VFF
YaquinaBayDredgedMaterialDisposalPlan
Figure10
Scalc 1":4OO'
72
Wilsey&Ham
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ISite
Description
escription:
Site D
t
rds at
19,000
cubic
yards
at 10
feet depth,
ICapacity
9 ,0 0 0cu
b i c ya
l0 feet
depth, uncompacted
uncom pacted
C a p a ci ty: 1
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1
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( I l l u s t r a t e d on
SITE
S I T E14
1 4 (Illustrated
o n Figure
F i g u r e10)
l0)
Location:
iles east
miles
on
L
o c a t i o n : Approximately
A p p ro xi ma te l 0.9
y0 .9 m
east of
of Oregon
0yster Company
Company
the north
nor th
Or egonOyster
on the
Iside
o f the
h i g h w a y.
si d e of
th e highway.
Size
Size:
5
0 0 ' xx 130'
500'
130'
Physical
area
P
h ysi ca lCharacteristics:
is aa flat
flat marshland
mar shland
ar eathat
has
C h a ra cte ri stics: This
This is
that has
been diked
diked on
on the
been
the south
south side
by the
countyroad.
Thesoil
side by
the county
road. The
soi'l
Freshwater
is
i s the
t h e Coquille
C o q u i l l esilt
s i l t loam
l o a mtype.
type. F
r e s h w a t einflow
irn f l o w and
a n d tide
tide
channels
e x i s t on
t h e site.
c h a n n e l sexist
o n the
site.
mature
marsh
f l o r a is
i s aa m
a t u r ehigh
high m
a r s hin
in
IBiological
B i o l o g i c a ' Characteristics:
lC h a r a c t e r i s t i c s : The
T h eflora
gr ass' land. Saltwater
transition
Saltwatervegetation
vegetation
tra n si ti o n to
to terrestrial
te rrestr ial grassland.
is
mixed
with
upland
with
upland
birds
being
p l a n db
irds b
e i n g tthe
he
is m
i x e dw
ith u
p l a n dvvegetation,
e g e t a t i o n ,w
ith u
p ri ma ryavifaunal
as
primary
such
as
the
shrews,
a vi fa u n a lusers.
user s. Smaller
Smallermammals,
such
the
shr
ew s ,
mamm als,
p
moles,
t h e area.
f i e l d mice
a n draccoons,
m
o l e s ,field
m i c eand
r a c c o o n sprobably
, r o b a b l yalso
a l s ouse
u s ethe
area.
IZoning:
A-l
Z o n i n g : A-i
Comprehensive
r esidential
C o m p re h e n siPlan
P
vel a n : Rural
R u ra l residential
IOwnership:
Private
ri va te -- Mae
Ma eE.
E. Sherman
Sher man
0 w n e r sh i p : P
IEngineering
n g Considerations:
En g i n e e rf
C o n si d e ra ti o n: s
Method
and
M e t h o dof
o f Dredging
Dredging
a n dFilling:
Filling:
IDesign
D e s i g nCriteria
Criteria:
Pipeline
P
i p e l i n edredge.
dredge.
( S e eFigure
Similar
l (See
F i g u r e8)
S i m i l a r to
t o Site
S i t e No
N o . l11
8)
Site
P r e p a r a t i o n : Similar
S i m i l a r to
t o Site
S i t e No
N o . l11l
S i t e Preparation
yar ds
70/cubic yards
ISite
S i t e Unit
U n i t Development
D e ve l o p meCost
n
Cto st: $0
$0.70lcubic
yar d range
Dredging
D r e d g i n gCost:
C o st: $2.00/cubic
r ange
$ 2 .0 0 /cu b icyard
Future
ll
S i m i l a r to
t o Site
F
u t u r eUse
U s eConstraints:
C o n s t r a i n t s : Similar
N o .11
S i t e No.
Considerations::
IEnvironmental
EnvironmentalConsiderations
placementof dredged
on this
this site
site would
w oul d
dr edgedmaterials
mater ials on
Effects
o f Disposal:
E
f f e c ts of
D i sp o sa l : The
T h e placement
lo s t
inundate
mature
mar sh. The
wouldbe
be irretrievably
ir r etr ievably lost
i nu n d a tea ma
tu rehigh
h i g h marsh
Themarsh
mar shwould
73
73
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ri n especies,
sp e c ies, as
and
various
marine
well as
would
a nd va
ri o u s ma
as we]l
as saltwater
saltwater vegetation,
vegetation, would
ass ar
be
b e sacrificed.
sa cri fi ce d . T
te rrestr ial gr
h e terrestrial
eas of the
The
grass
areas
could be
be
the site
site could
placementof
reestablished in
reestablished
years after
after placement
Of the
dredged
in seven
sevento
to ten years
the dredged
probably
materials.
materials. Manrnal
and bird
Mammal and
would relocate, and
and probably
bird species
species would
return
to the
return to
the area
after habitats
area after
habitats were
reestablished.
werereestablished.
Other
O
t h e r Considerations
C o n si d e ra ti o n s:
Site 14
14 is
is not recormended
recomended for
for current
dueto
current use
usedue
to its
high marsh
marsh
its mature
maturehigh
ccharacteristics.
h a r a c te ri sti cs. If
e re to
be used,
were
If it
it w
to be
used, mitigation
mitigation would
wouldbe
be required
r equir edas
as
p
r
o
x
i
m
i
t
y
o
outlined
u t l i n e d in
in G
Goal
off tthe
State
Goals
o a l 16
16 o
he S
t a t e Planning
P l a n n i n gG
o a l s . It's
close
proximity
It's close
t o the
t h e shoaling
to
sh o a l i n g a
areas
re a s ma
makes
an acceptable
acceptable disposal
disposal site
from
an enenke sit
i t an
site fr
om an
g
i n e e r in g sta
esenceof
h o w e v er ,the pr
gineering
standpoint;
presence
of wetland/saltwater
wetland/saltwater conditi
conditions,
n d p o i n t; however,
ons ,
m a k e sit
makes
i t unacceptable
fro man
standpoint.
u n a cce p ta b lfrom
e
a n environmental
envir onm ental
site is
standpoint. The
Thesite
is
possibly be
i n c l u d e dw
included
within
analysis
because it
could possibly
be used
used if
adequate
i th i n this
th i s a
n a l ysi s because
it could
if adeq
uate
p ro vi d e din
pr ovidingmitigam i t i g a t i o n were
mitigation
However, the
w e reprovided
i n return.
r etur n. However
the
n cost
cost of providing
miti gapr ovidedby
pr oxim ity to the
t i o n ccould
ould o
tion
offset
close proximity
ffse t the
th e benefits
the
b e n e fi ts provided
the site's
site' s close
by the
navigation
n
a v i g a t i o nchannel
channel.
this time,
At this
time, use
not recommended
At
use of
of Site 14
14 is
is not
recommended.
The
resourceagencies
agencies
The resource
th
e
represented
in
the
review
of
this
document
believe
that
the
site
would
r e p r e s en te di n
re vi e w o f this docum ent
believe
the site would
m a k ean
make
excellent
mitigation
area.
a n e xce l l e n t mi ti g a ti o n ar ea. Rem
Removal
ova'
ofl the
the existing
existing tidegate
tidegate could
coul d
marsh to the
return the
the marsh
estuarine system.
the estuarine
system. For
For that reason
reasonit
is suggested
it is
suggested
t h a t Site
S i t e 14
that
for
mitigation
1 4 be
b e considered
considered
f o r inclusion
i n c l u s i o n in
i n the
t h e county's
bank
c o u n t y ' sm
i t i g a t i o n bank
a
n
as
an
acceptable
site
for
future
mitigation
as
a cce p ta b l esi te fo r fu tur e mitigation.
74
I
I
t
( I l l u s t r a t e d on
SITE
S I T E15
l 5 (Illustrated
o n Figure
F i g u r e11))
I
Site
S i t e Description:
Description:
t
t
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I1
'll
e a s t of
n o r t h of
L o c a t i o n : Just
J u s t east
o f Boone
B o o n eIsland,
I s ' l a n d ,north
o f Boone's
B o o n e ' sSlough
Slough
Location:
Size:
5 0 ' xx 800'
800'
S i z e : 50'
.|5 ,0 0 0
r ds at
ICapacity:
C a p a ci ty: 15,000 cubic
cu b i c ya
yards
at 10
l0 feet
feet depth,
depth, uncompacted.
uncompacted.
pr ivate road
Physical
P h ysi ca lCharacteristics:
C h a ra cte ri s tics: Low,
slum parea
ar ea between
Low, slump
private
between
r oadand
and
sloping
h i l l s . The
s l o p i n ghills.
T h esoil
i s Coquille
s o i l is
C o q u i l l esilt
s i l t loam,
l o a m oand
a n dexperiences
experiences
year . Freshwater
h i g h water
a high
w a te r table
ta b' leeach
eachyear.
Fr eshwaterinfluence
mayoccur
influence may
occ ur
during
d u ri n g substantial
su b sta n tial local
local runoff.
r unoff.
gr a s s es
IBiological
Bi o l o g i ca l C
Characteristics:
h a ra cte r istics: The
of
The area
ar ea is
is mostly
mostly comprised
of grasses
compr ised
( blackber r ies,etc.)
bordered
trees.
b
o rd e re dby
b y evergreen
e ve r gr een
tr ees. Some
Someshrubbery
shr ubber y(blackberries,
etc .)
occurs
o c c u r ssporadically.
sporadically. B
is
Because
e c a u s of
oe f its
i t s narrow
n a r r o wwidth,
t h e site
s i t e is
w i d t h , the
p
ro b a b 'l yused
probably
of
Some e
moles and
u se dby
num ber
animals. Som
and
b y aa small
small number
of animals.
moles
shrews may
may nest
shrews
nest in
in the
the area.
area.
IZoning:
A-l
Z o n i n g : A-1
Comprehensive
-- Dikeland
P
Dikeland
C o m p re h e n siPlan:
vel a n : Natural
N a tu ral Resources
Resour ces
IOwnership:
ri va te -- Ed
Private
0 w n ersh i p : P
E d Stanwood
S tanwood
Engineering
En
gne
i e rin g Considerations:
C o n sid e ra t'i o ns
:
Method
of
Method
o f Dredging
D r e d g i n and
ga n dFilling:
Filling:
IDesign
D e s i gnCriteria:
C ri te ri a :
Pipeline
P i p e l i n e dredge
dredge
Prevent
P re ve n tredirect
fr omreturning
r etur ningto
r edir ect from
to Nute
Slough.
NuteSlough.
pr epar esite.
Site
Si t e Preparation:
Pre p a ra ti o n : Very
V e ry little
l i ttle work
r equir edto
to prepare
wor krequired
site.
ISite
Cost:
S i t e Unit
U n i t Development
Deve'lopme
Cnot s t : Negligible
Negligible
yar d range
Dredging
D r e d g i n gCost:
C o st: $2.00/cubic
r ange
$ 2 .0 0 /cu b icyard
Future
F
u t u re Use
U seConstraints:
C o n stra i n ts: Limited
to open
openspace
spaceuntil
and comcom L imited to
until settling
settling and
p a c t i o nhave
paction
occurred.
Initial
salt
content
may
limit
agricultural
h a v eo c c u r r e d . I n i t i a l s a l t c o n t e n tm a yl i m i t a g r i c u l t u r a l
use
High
u s e until
u n t i l leaching
l e a c h i n greduces
i g h rainfall
r e d u c e slevels.
levels. H
r a i n f a l l amounts
a m o u n twould
w
s ou'ld
increase
in
cre a seleaching
l e a ch i n grate.
ra te.
IEnvironmental
En v i ro n me n taConsiderations:
Cl o n si d e ra ti ons
:
pr ivate dirt
Effects
Ef f e cts of
o f Disposal:
D i sp o sa l : This
namowband
bandof
of area
ar ea follows
follows aa private
dir t
T h i s narrow
r o a d and
a n d cannot
road
ca n n o tbe
b e considered
co nsider edan
ecotypeof
an ecotype
Filling
of its
its own.
own. Filling
75
I I
Disposal site
Peripheral diking
-.-
Interior diking
111110111 Natural barrier
Outfall
U
Discharge point
Outfall pipe
P Primary fill area
S Secondary fill area
A Overflow
Surface dranage
Plan
DisposalPlan
Yaquina
Bay Dredged
Dredged Material
Material Disposal
YaquinaBay
U
I
F:9#T9-'1'
Figure 11
Scale 1 :400
76
76
Wilsey& Ham
Ham
wileey&
I
I
I
I
t
t
( b l a c k b e r r i e s )but
grassesand
Ithe
b, u t
the area
andcertain
certain shrubs
s h r u b s(blackberries),
area would
bury grasses
wouldbury
plants from
generalarea
Parts of
fromthe
area. Parts
would
the general
of
wouldnot
not eliminate
eliminatethe
the plants
l o s t , but
b u t species
the
local habitats
be temporarily
temporarilylost,
s p e c i e susing
using
the local
wouldbe
habitatswould
habitats could
Ithose
readily relocate
relocate.
thosehabitats
couldreadily
yearsand
andhabitats
The
in
in three
three to
to seven
sevenyears
habitats
be revegetated
revegetated
Thesite
site could
couldbe
the area
could be
during
Anylosses
lossesin
in the
duringthat
that time.
time. Any
area
could
be reestablished
reestablished
would
wouldbe
be temporary
temporary.
I
I
I
I
IOther
Considerations
0ther Considerations:
Placement
of
dredged
materials
on Site 15
would rraise
area
ea ar
around
15 would
aise the
the ar
oundthe
the
P l a c e me no
tf d
re d g e dma
te r ials on
o int that the rroad
lands wou'
be
oad and
existing
roadway
the
point
and adiacent
adjacent lands
wouldldbe
e
x i s t i n g ro
e p
a d w a yto th
Resour ce-- Dikeland
Dikela nd
The
area
currently
designated as
as Natur
Natural
al Resource
level.
level. T
h ea
re a is
i s cu
rre nt' ly designated
p
l a n and
eate an
in
comprehensive
plan
and filling
filling of
of the site
site would
would not
not cr
create
anyy
i n tthe
h e co
mp re h e n si ve
p r e s s u refor
pressure
i n te n sity uses.
uses.
fo r higher
h i g h e r intensity
by lease
leaseor
expected that
use of the
could be
accomplished by
or
be accomplished
the site
site could
It is
is expected
that use
propertyowner.
easement agreement
agreement with
with the
owner
easement
the property
IIt
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II
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77
( I l l u s t r a t e d on
SITE
S I T E16
l 6 (Illustrated
F i g u r n11)
o n Figure
lel )
Site
S i t e Description
Description:
just north
Location:
L o c a t i o n : Southeast
e d g eof
S o u th e a stedge
o f Boone
Island, just
BooneIsland,
nor th of Boones
BoonesSlough,
Slough,
a p pro xi ma te l 2,700
y2 ,7 0 0feet
approximately
fe e t from
fr omriver
r iver channel.
channel.
Size:
Size:
3 0 0 ' xx 1000'
300'
1000
rd s at
Capacity
C a p a c i ty: 60,000
cu b i c ya
yards
6 0 ,0 0 0cubic
at 55 feet
feet depth,
depth, uncompacted
uncom pacted.
Physical
Ph ysi ca 'lCharacteristics
C h a ra cte ri sti cs : Low-lying,
Low- lying, flat
flat area
ar ea bordered
bor der edon
on the
the north
nor th
by the
the slopes
by
of Boone
slopes of
BooneIsland,
Island, and
and to the south
by Boones
Boones
south by
p o r t i o n s are
Slough
S l o u g h . The
T h esoil
i s the
t h e Coquille
s o i l is
C o q u i l l e silt
s i l t loam,
l o a m ,and
a n d portions
are
inundatedeach
eachseason
inundated
Slough.
seasonby
by the
the flooding
flooding of
of Boones
Boones
Slough. There
There
gates. Several
i s no
n o tidal
i n fl u e nce as
is
ti d a l influence
as the
the dike
dike contains
containstide
tide gates.
Sever al
creeks drain
seasonalcreeks
into the
the area
seasonal
drain into
area from
from the hills
hills to the
the north.
h a s been
T
h e site
si te has
b e e nreclaimed
reclaim edfor
gr azing.
The
for farming
far m ing and
and grazing
Bi o l o g i ca l Characteristics
pr im ar ily covered
Biological
C h a ra cte ri stics: The
The site
site is
is primarily
cover edby
by various
var io us
g
ra
sse
s.
(
shr
ews
grasses
S
ma
l
l
ma
mm
als
Small
mammals
(shrews
and
moles)
live
in
the
area,
and
moJes)
in
the
live
ar
ea, and
and
'l a rg e r
ccoons,nutr
obablyuse
ma mn a l (ra
s(raccoons,
ia, etc.)
larger maniials
nutria,
etc.) pr
probably
use the
the site
site
for
water
fo r w
a cce ss. During
Dur ing the
a te r access
the dr
ier season,
drier
field birds
bir ds feed
season,field
feed
g r a s s e s(sparrows,
( s p a r r o w sfinches,
i n the
in
t h e grasses
f, i n c h e s , etc
e t c .)) . During
flood
D u r i n gthe
t h e flood
( ducksand
geese)use
a n d mi
q ra ti o n seasons,
se _ asols,
and
miqration
waterfowl
wdter
fowl(ducks
the area
and qeese)
use the
ar ea
for
fo
r feeding
fe e d i n g and
a n d loafing
l o afing. Fairly
Fair ly large
marshes
lar ge freshwater
fr eshwaterm
ar shesexist
par tial spreading
n o rth of
o f the
th e site,
site, with
just
with partial
the marshland
mar shland
spr eadingof the
i u st north
i n to the
into
th e site
a re a .
si te area.
Zoning
Z o n i n g : A-1
A-l
t
I
I
I
I
I
t
I
Comprehensive
C o m p r eh e n siPlan
P
ve'l a n : Natural
N a tu ra l resource
r esour ce-- Dikeland
Dikeland
Ownership
Edd S
Stanwood
0 w n e r s h i p : Private
P ri va te -- E
ta nwood
Engineering
En g i n e e ri
n g Considerations
C o n si d e ra ti o n: s
M e t h o dof
o f Dredging
Method
D r e d g i n gand
Filling:
a n d Filling
III
I
I
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I
I
I
I
I
Pipeline
P
i p e l i n e Dredge
Dredge
e n e r a ld
Design
D e s i g nCriteria:
Criteria: F
i k e dw
Fully
diked
with
general
diversion
off u
upland
drainage
ully d
ith g
i v e r s i o no
rainage
p l a n dd
p e ri me te r. Wetland
around
a r ou n dperimeter.
We tl andand
seasonally
flooded
areas
would
and seasonallyflooded ar eas wouldnot
not
permit
receive
r e c e i v edisposal
d i s p o s a lmaterials
m a t e r i a l s . Use
U s eof
o f multiple
m u l t i p l e cells
c e l l s may
m a ypermit
( tr ' lithoutmu'
r e tu rn flow
return
fl o w to
to adjacent
a d i a ce n tslough
s lough. (Without
multiple
ltiple cells,
dischar g e
cells, discharge
wouldbe
be returned
to the
would
returned to
the river,
rivero avoiding
avoiding effects
marshtidetideeffects to
to any
any marsh
f l a t areas
flat
a r e a s). ) Highway
H i g h w a undercrossing
u
y n d e r c r o s s i nfor
fgo r - pipeline
p i p e l i n e filling
f i l l i n g would
w o u l dbe
be
plus freeboard
required
r e qu i re d . Dikes
D i ke s should
sh o u l daverage
aver age10
l0 feet
feet plus
fr eeboar d. Capacity
Capacity
pr im ar ycells
ccan
a n be
b e varied
va ri e d to
to suit
su i t need
n eedby
by constructing
constr uctingone
one or all
cells.
all primary
placementof fill
C r e a ti o no
a d d i ti o n a l freshwater
freshwaterm
Creation
off additional
marsh
ar shthrough
fill
thr oughplacement
m a t e r i asl .
materials
78
7B
I
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T
I
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I
i
I
tI
I
I
I
IiSite
II
I
Site P
per imeterand
re p a ra ti o n : C
ISite
o n structionof
of perimeter
Preparation
and interior
inter ior dikes,
dikes, weirs,
Construction
weir s ,
sp
i l l w a ys and
a n dhighway
h i g h w aunclercrossing
yunder cr ossing
casing. Tidegates
spiliways
casing
Tidegatesmay
m ayrequire
r equir e
r e p l a ce me nor
ot r rehabilitation.
re h a b i litation. Some
replacement
Som eminor
m inor leveling
leveling would
wouldbe
be required.
r equi r ed.
Material for
for diking
diking may
be taken
taken from
from areas
areas where
Material
may be
where marsh
marsh creation
creation or
or
rrestoration
e sto ra ti o n can
ca n occur
o ccu r.
Si t e Unit
U n i t Development
yar d
D e ve l o p meCost
n
Cto st: $0
27/cubic yard
$0.27/cubic
D r e d g i n gCost
yar d range
C o st: $3
Dredging
r ange
00/cubicbic
yard
$ 3 .OO/cu
F
u t u r eU
seConstraints:
C o n stra i n ts: None
Future
Use
N oneupon
uponcompletion
com pletionof
of dewatering
dewater ingand
andcompaction.
com pa c ti on.
por tions of
M a ybe
b e desirable
d e si ra b l e to
to reuse
reuseportions
per i od
of the
the site
site over
May
over extended
extendedperiod
o
t i m e . Final
off time.
F i n a l use
u s e should
s h o u l dbe
b e compatible
c o m p a t i b l with
ew i t h adjoining
a d j o i n i n gnatural
n a t u r a lareas.
areas.
En v i r o n me n taC
l o n si d e ra ti ons
IEnvironmental
:
Considerations:
t
I
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I
I
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I
I
I
I
t
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T
I
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I
II
I
I
T
i
E f f e c t s of
o f Disposal:
Disposal: T
Effects
h i s ssite
i t e is
is u
s e db
i g r a t i n gb
This
used
byy m
migrating
birds
i r d s ffor
o r ttransient
ransient
h
a b i ta t. The
gr azing foods
T h e area
a re a contains
habitat.
co ntainssome
som egrazing
foods for
for water
water fowl,
fowl, but
bu t is
is
p
r i m a r i l y used
u s e das
a s aa loafing
p a r t , the
l o a f i n g area.
parallels
primarily
a r e a , For
F o r the
the m
o s tpart,
t h e site
s i t e parallels
most
t he north
n o rth shore
sh o reof
o f Boone's
B o one' sSlough
Sloughand
and the
the birds
bir ds using
using the
the shoreline
the
shor e' li neare
ar e
d ra w nto
to the
th e site
si te because
b e cause
of the
the calm
calmslough
drawn
of
sloughwaters.
water s. No
No filling
filling would
w oul d
o ccu r w
i th i n the
th e existing
e xi sting freshwater
fr eshwaterm
ar shor
or seasonally
occur
within
marsh
seasonallyflooded
flooded areas
ar eas
u n l e ss it
it w
a sassociated
a sso ci a tedwith
the creation
cr eation of
unless
was
with the
of additional
additional freshwater
fr eshwa ter
ma rsharea
Imarsh
a re a . Therefore
T h e re fo rewater
fowluse
use would
be maintained
incr e as ed.
waterfowl
would be
maintained or
or increased
The
protected from
freshwater marsh
areas would
be protected
from dredged
The current
current freshwater
marsh areas
would be
dredged
m a t e r i a l s ,and
a n dsite
s i t e use
u s ewould
w o u l dresult
r e s u l t in
i n the
t h e creation
c r e a t i o nof
materials,
o f additional
additional
freshwatermarsh
marsharea.
freshwater
area.
O
t h e r Considerations:
C o n si d e ra ti o n s:
Other
.|976
T h r o u g hS
IThrough
e cti o n 150
150o
th e 1976 W
aterResources
Resour ces
Section
off the
Water
Development
Development
Act, the
the Corps
C or ps
o f Engineers
E n gi n e e rshas
h a s authority
a u th o ri ty to
to fund
fund the
of
creation
the development,
development,
cr eation or restoration
r estor ati on
o f marshlands
m a r s h l a n dassociated
ass s o c i a t e dwith
w i t h maintenance
of
m a i n t e n a n cdredging
der e d g i n gactivities
a c t i v i t i e s . Site
S i t e 16
l6
c o u l d be
b e utilized
u t i l i z e d in
p o r t i o n sof
could
i n such
s u c haa manner.
m a n n e r . As
A s shown
s h o w non
o n Figure
F i g u r e11,
I ' l o portions
of
tthe
h e site
s i te co
u l d be
be a
l te re d to
to increase
incr easethe
could
altered
amount of freshwater
marsh
the amount
fr eshwatermar
sh. This
T hi s
h
a b i t a t is
i s ccurrently
urrently o
p r o d u c t i v efor
limited a
vailability a
habitat
off limited
availability
and
n d is
i s highly
h i g h l y productive
for
tthe
h e total
plan designates
t o ta l ecosystem.
e co syste m.The
T h ecomprehensive
compr ehensive
designatesthis
plan
this area
ar ea for
for
N a t u r al Resource
R e so u rce
u se . D
Natural
use.
i sposalof
edgedmater
ials would
be used
to enhanc
Disposal
of dr
dredged
materials
would be
used to
enhance e
t h i s use,
u s e , and
a n d it
i t is
i s expected
e x p e c t e dthat
t h a t the
t h e current
this
c u r r e n t land
l a n d use
d e s i g n a t i o nwould
u s e designation
w o u l dbe
be
p r e s e r ve d .
Ipreserved
T h e current
c u rre n t owner
o w n e rof
o f Site
S i te '1
offer ed use
use of
of the
The
166 offered
the site
site in
in order
or der to
to raise
r aise the
the
l a n d that
t ha t is
i s now
n o wseasonally
pr
esently
se a so n a l l yinundated
inundatedby
land
flood
waters.
by flood water s. He
He presently uses
us es
p a s t u r eand
t h e adjacent
a d j a c e n tland
l a n d for
f o r pasture
a n d hoped
h o p e dto
t o utilize
the
u t i l i z e the
f i l l e d land
t h e filled
l a n d in
i n the
the
p ro p o se ddredge
s a m emanner.
ma n n e r. The
same
plan for
plac e
T h e proposed
dr edgedisposal
disposal plan
for this
this site
site would
wouldplace
fill m
a t e r i a l only
o n l y on
o n the
t h e upland
u p l a n dareas,
a r e a s , or
i n the
fill
material
o r in
t h e lowlands
l o w l a n d sas
a s necessary
n e c e s s a rfor
fyo r
t h e creation
c r e a ti o n of
the
additional
freshwater
marsh
o f a d d i ti o n a l fr eshwatermar sh. Thus,
pr oposedplan
plan is
Thus, the
the proposed
is
p roper tyowners
n o t consistent
c o n si ste n twith
plansfor
w i th the
th e property
owner scurrent
cumentplans
for the
not
thesite.
site. On
0 n that
that
b
a
s
i
s
,
i
t
ma
y
b
e
n e ce ssa ryfor
for the
basis, it may be necessary
the Port
Por t of
of Toledo
r o' ledoto acquire
acquir e the
the site,
site,
a
l t h o ug ha
l e a se o
pr efer able from
e a se ment
agr eement
although
a lease
orr easement
agreement
would be
would
be preferable
fr om an
an economic
eco nom i c
s t a n d poni t.
standpoint
79
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Surunary&
Summary
& Recorrnendations
Recomendations
Al t h o u ghthe
th e existing
e xi sti n g disposal
d i sp o s al sites
Although
4
sites within
within River
River Segment
Segment
4 have
haveaa
ds, their
ccapacity
a p a c i ty o
bout9
off a
about
94,000
cubic
yards,
their use
use constr
constraints
and
4 ,0 0 0cu
bic yar
aints and
p l a c e me nin
itn relationship
re l a ti o n sh i p to the shoal
placement
areas
does not
allow maximum
maximum
shoal ar
eas does
not allow
' 14
e
f f i c i e n t use
efficient
u se of
o f that
th a t available
a va i l a ble capacity.
capacity. Approval
Appr ovalto
to use
useSite
Site 14
w o u l dbe
b e difficult
d i ffi cu l t to
would
to achieve
a ch i e v edue
due to
to its
its mature
matur ehigh
high marsh
mar shcharacterchar acter iistics,
s t i c s ; th
placedin
e re fo re , it
i s recommended
i t is
re cor r nended
therefore,
that
that the
the site
site be
be placed
in
L i n c o l n County's
C o u n ty'smi
ti g a ti o n bank
Lincoln
mitigation
and slated
for futur
future
mitigation
bankand
slated for
e mitigation.
s i t e s 15
15 a
n d 16
1 6 have
Sites
and
combined
capacity of 75,000
75,000 cubic
cubic yar
yards,
which
h a vea co
mbined
ds, which
capacity
p rojected54,000
s u b s t a n ti a l l y exceeds
e xce e d sthe
th e projected
yar dsof
substantially
54,000cubic
cubicyards
disposal
of disposal
m a t e r i al s. H
materials.
o w e ve r,these
oxim ity
th e se sites
However,
are
close pr
proximity
sites ar
e not located
located within close
t o all
to
a l l of
o f the
t h e shoaling
s h o a l i n gareas.
areas.
T h edredged
d r e d g e dmaterials
ma te ri a l s located
l o ca ted below
belowRiver
The
4
River Segment
Segm ent
4 could
could be
be disposed
disposed
by use
bucket dredge
by
use of
of bucket
dredge and
and barging
barging to the off
off shore
ocean disposal
disposal site
site
shore ocean
p o s s i b l yby
p i p e l i n e dredge
o
b y pipeline
orr possibly
d r e d g eto
t o Site
Careful
S i t e 16.
16. C
a r e f u lanalysis
a n a l y s i sof
of
b
o t t o mse
ior to ocean
d i me n tsw
ill b
e cessar ypr
bottom
sediments
will
bee n
necessary
prior
ocean disposal
disposal to ensur
ensuree
tthat
h a t the
t h e sediments
se d i me n tsare
a re acceptable
a cce ptablefor
for that
that disposal
disposalmethod.
method.
ally ar
C
u r r e nt d
a ta indicates
ticular ly in
i n d i ca te s th
a t they
Current
data
that
they gener
generally
are,
particularly
e, par
in
light o
h e vvery
e r y limited
light
off tthe
alternatives
available
along
limited a
l t e r n a t i v e sa
vailablea
l o n g tthis
h i s ssegment
egment
p o t e n t i a lof
o f the
t h e river,
r i v e r , and
of
a n dthe
t h e mitigation
m i t i g a t i o npotential
o f Site
S i t e 14.
14.
T h e Port
Po r t of
The
o f Toledo
T o l e d oand
a n d the
th e Corps
Cor psof Engineers
Engineer sshould
shouldevaluate
evaluatespecific
specific
p
d r e d g i ngcosts
co sts immediately
i mrn e d i a te lprior
y r ior to
dredging
to dredging
dr edgingaction
action to determine
deter mine
w
h e t h erit
i t is
i s mo
whether
morerecost
material
co st efficient
e ffi cient to
to bucket
dr edgethe
bucketdredge
the mater
ial or
t o use
th e necessary
n e ce ssa ryadditional
pumpsto pipeline
pipeline the
u s e the
to
a d d i ti o nal booster
boosterpumps
the
m
a t e r i a l from
f r o m these
t h e s elower
l o w e rshoals
material
s h o a l sto
t o Sites
S i t e s 15
1 5and
a n d16.
' 1 6 . If
I f the
t h e bucket
bucket
d r e d g eis
i s used
u se din
i n River
dredge
3, then
R i ve r Segment
S e g m ent
then bucket
bucketdredging
dr edgingand
and ocean
ocean
p ro vi d eaa more
d i s p o s a l should
sh o u l dprovide
disposal
mor ecost
cost efficient
efficient disposal
disposalmethod.
method.
H o w e v e r,if
i f aa land
l a n d site
However,
3, then
would
si te is
i s used
u sedin
in River
River Segment
Segm ent
then it
it would
p i pe the
be m
o r ecost
co st efficient
e ffi ci e n t to
to pipe
be
more
material
the mater
ia' lto Sites
16,
Sites 15
15 and
and 16,
r a t h e r than
th a n to
to incur
i n cu r bucket
rather
mobilization costs
b u cke tdredge
dr edgemobilization
for dredging
dr edging
costs for
q u a n ti ty o
( about 20,000
o
s u c h aa small
ds over
off such
off mater
material
yards
sma l l quantity
ial (about
20,000cubic
over
cubic yar
years).
20
2 0 years).
S
i t e s 15
15 a
n d 16
16 w
Sites
and
would
disposal of dredged
materials
o u l dbe
b e used
u sedfor
for the
the disposal
dr edgedmater
ia' ls
( a p p r o x i m a t eRiver
lR
y i v e rMile
f r o m the
t h e upper
u p p e rshoaling
s h o a l i n gareas
a r e a s(approximately
from
M i l A8.9
t o 9.8).
8 . 9 to
9.8).
S
i t e 15
l 5 would
preparation
w o u l drequire
Site
so
r e q u i r eonly
o n l y minimum
m i n i m upreparation
m
s owould
w o u l dbe
b eavailavaila b l e even
e v e nthough
t h o u g hit
i t has
able
h a saa relatively
r e l a t i v e l y small
s m a l lcapacity.
c a p a c i t y . Site
is
16
S i t e 1 6 is
p r o p o se dfor
fo r development
d e ve l o p me na
ts aa freshwater
proposed
as
marsh,
fr eshwatermar
sh,utilizing
utilizing Corps
Cor ps
o
En g i n e e rsfunds
fu n d s a
va i l a b l e through
off Engineers
available
Water
thr oughSection
Section 150
150 of the
the 1976
1976W
ater
Resources
Development
placed
Resources
Development
Act.
Act. Dredged
Dredgedmaterials
materials would
would be
be placed on
on
u p l a n dsites,
upland
orr as
marsh
s i te s, o
a s necessary
n e ce ssar yto
to create
c.r eateadditional
additional freshwater
fr eshwatermar
sh
area.
area.
T
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80
BO
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- - - - - - - - - - - - - - -
RiverSegment5
YaquinaBry DredgedMaterialDisposalPlan
I
DisposatSite
rrr ShoalingArea
RiversesJXfTL.?
Wilsey&Ham
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(RMR M
1 1 .7)
7)
RIVER
M I L E11
8T
IRIVER
SEGMENT
(RIVER
MILE
9 .8
TO0 RIVER
MILE
I L E9
R r v E RS
E G M E5N T
DredgingNeeds
Dredging
Needs
Pr oiects
E xi sting Projects
Ir Maintenance
of
o f Existing
Ma i n te n a n ce
gener ate
to generate
5 is
is expected
expectedto
Channel
maintenance
within
5
River Segment
Segm ent
w
i th i n River
C h a n n ema
l i n te n a n ce
ds of
the 20
20 year
approximately
yards
material
within the
year
ater ial within
of m
cu b i c yar
8 8 ,0 0 0cubic
a p p r o xi ma te l y88,000
be
d
u
m
p
c a nbe
p
l
a
n
n
i
n
g
l
o
g
p
e
r
i
o
d
.
P
a
c
i
f
i
c
Dredging
of
the
Georgia
Pacific
log
dump
can
t
h
e
G
e
o
r
g
i
a
o
f
D
r
e
d
g
i
n
g
planning period.
.l0,000
yar
ds
is
It is
It
m
ater
ial.
of
cubic
expected
to
add
an
additional
10,000
cubic
yards
of
material.
e x p e c te dto a d d a n a d d i ti o nal
s
o
m
e
r
e
q
u
i
r
e
w
o
u
l
d
p
o s s i b l e , but
M
o
o
r
a
g
e
C
r
i
t
e
s
e
r
'
s
possible,
unlikely,
that
Criteser's
Moorage
would
require
some
but unlikely, that
eshas
Mr.
Criteser
has
esM
r
.
Cr
iteser
fr
ame.
this
time
maintenance
dredging
during
this
time
frame.
d
u
ri
n
g
m a i n te n a n ce
d re d g i n g
.|6,000
yar ds.
q u a n ti ty to
cubic yards.
to be
b e about
about16,000 cubic
ttimated
i m a te d the
th e quantity
Pr oiects
N e wProjects
Ir Construction
C o n stru cti o of
no f New
p' lansto
pr epar ingplans
sm all
to construct
constr uctaa small
The
i s currently
cu rrently preparing
T
h e Port
Po rt of
o f Toledo
T o l e d ois
dr
edging
initial
The
The
initial
dredging
Air
por
t.
to
the
To'
ledo
moorage
area
adjacent
to
the
Toledo
Airport.
moorage
a re a a d j a ce n t
20'
000cubic
p ro p o sa lw
oximate' ly
em ovalof
for
would
entail
of appr
approximately
20,000
cubic
ntail rremoval
f o r that
o u l de
t ha t proposal
planning
the
y
a
r
d
s
thr
oughout
Maintenance
of
the
basin
throughout
the
planning
of the basin
odf material.
ma te ri a l . Ma i n tenance
yards
- p e r i oof
y a r d sof
Noo
o f material.
material. N
c u b i cyards
1 0 , 0 0 0cubic
period w
would
a n additional
a d d i t i o n a l10,000
o u l dadd
a d dan
a
pr
epar
ed
not
it
is
and
specific
plans
for
this
facility
have
been
prepared
and
it
is
not
a
p
l
a
n
s
been
fa
c'
ility
have
fo r th i s
s p e c ifi c
i
n
i
n
c
l
u
d
e
d
b
e
i
t
w
i
l
l
p
o
r
t
p r i o r i t y for
t h e r e f o r e ,it will be included in
high
a c t i o n , therefore,
f o r port action,
h i g h priority
proiect.
p r o j e c t , rather
t h a naa specific
s p e c i f i cproject.
r a t h e r than
this
p o s s i b l eproject,
a s aa ' possible
t h i s analysis
i n a l y s i i as
TABLE
14
I4
TABLE
NEEDS
DREDGING
IRIVER
SEGMENT 5
NEEDS
5 - DREDGING
RIVERSEGMENT
t
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Disposal
D i s p o s a Quantity
lQ u a n t i t y
Project
Project
88,000
cy
88,000cy
ma
1 . Channel
C h a n n emaintenance
l i n te n ance
1.
( . | 6 , 0 0 0cy)
(16,000
cy)
2..
2
(unlikely)
Criteser's
M o o r a g(unlikely)
e
C
r i t e s e r ' s Moorage
3
3.
Georgia
l o g dump
dumP
P a c i f i c log
G
e o r g i aPacific
10,000
cy
1 0 , 0 0 0cy
4.
4.
Toledo
Airport
Moorage
age
i rp o rt && Moor
T
o l e d oA
C o n st.
Preliminary
P re l i mi n a ryConst.
( 2 0 , 0 0 0cy)
(20,000
cy)
5.
5.
Toledo
Moor age
A i rp o rt Moorage
T o l e d oAirport
maintenance
i ntenance
ma
( 1 0 , 0 0 0cy)
(10,000
cy)
NEEDS
TOTAL
NEEDS
DREDGING
TOTALDREDGING
8t
81
.|44,000
144,000 cy
cy
I
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Disposal
Disposal Options
Options
5, two
two disposal
disposalsites
WithinRiver
sites along
alongthe
airport have
have
Within
5,
RiverSegment
Segment
the airport
combined
capacity
about
capacity of
been identified.
been
identified. The
Thecombined
of these
thesesites
sites totals
totals about
( S i t e 17
y a r d s . Each
desE a c hof
o f these
t h e s esites
s i t e s (Site
l8) are
9
l , 0 0 0cubic
1 7and
and18)
aredes91,000
c u b i cyards.
pages.
followingpages
cribed
cribedin
in the
the following
82
82
IT
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SITE
o n Figure
F i g u r e12)
l2)
S
I T E17
l 7 (Illustrated
Site
S i t e Description
Description:
tiLocation
Ar ipor t
stri p area,
a r ea, Toledo
ToledoAriport
L o c a ti o n : Landing
L a n d i n gstrip
Size:
Size:
I1
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1
200'
2 0 0 ' xx 1800'
1800
yar dsat
of
feet depth,
depth,uncomCapacity
C a p aci ty: Potential
P o te n ti a l maximum
ma xi mum
of 66,000
66,000cubic
cubicyards
at 55feet
unc om pa cte d .
pacted.
gener allanding
Physical
the
Ph ysi ca lCharacteristics:
site encompasses
encompasses
the general
landi ng
C h a ra cte ri stics: This
This site
strip
th e airport.
a i rpor t. The
The site
site is
is bordered
bor der edon
on the
the west
west by
by the
t he
stri p of
o f the
Yaquina
River,
and
on
the
east
by
low
hills.
The
area
is
Y a q u i n aR i v e r oa n d o n t h e e a s t b y ' l o w h i l l s . T h e a r e a i s
currently
as
i mp ro ved
as the
the airport
air por t runway.
r unway. No
No water
water influence
inf1uen c e
cu rre n tl y improved
occurs
o ccu rs.
od f vegetation,
v e g e t a t i o n ,and
and
l a n d is
i s denuded
d e n u d eof
Biological
B ' i o l o g i c a Characteristics:
lC h a r a c t e r i s t i c s : The
T h eland
g
ro
u
p
s
the
site.
faunal
groups
are
suspected
of
using
the
site.
of
using
Ino
n o fa u n a l
ar e suspected
Zoning
Z
o n i n g : A-2
A-2
IComprehensive
Plan:
i ve PI
Comprehens
an:
Public
Pub'l
ic
Tr anspor tation,
Public
of
of Oregon,
Depar tm ent
of Transportation,
Ownership
u b l i c -- State
S ta te of
Or egon,Department
0 w n e rsh i p : P
Aeronautics
A e r o n a u t i c Division
sD i v i s i o n
Engineering
E n g i n e e r i n Considerations
g o n s i d e r a t i o n: s
C
and
Filling:
IMethod
a n dFilling
M e t h o dof
o f Dredging
Dredging
Pipeline
dredge.
P
i p e l i n edredge
pr imar ily sand
dr edged
material
sanddredged
m ateri a'l
S h o u l dbe
b e reserved
r eser vedfor
for primarily
Design
D
e s i g nCriteria:
C ri te ri a : Should
pr oper ties. Existing
Existing improvements
will
having
im pr ovem ents
will be
be
fi l l properties.
h
a vi n gstructural
stru ctu ra 'l fill
and
would
require
until dewater
dewatering
and compacti
compactionon
ar
aree
q u i re rrelocation
elocation until
ingand
llost
o st a
ndw
o u l dre
completed
S i te can
ca n accommodate
co mp l e te d . Site
accom m odate
about
about55 feet
feet of
fill.
of fill
Construct
uctdikes
dikes
l i ttle work
wor kwould
wouldbe
r equir ed. Constr
Site
S i t e Preparation:
P re p a ra ti o n : Very
V e ry little
be required.
p re ve ntspillage
into drainage
dr ainage
as
of dredged
dr edgedmaterial
m ater ial into
a s required
re q u i re d to prevent
spillage of
Icourses
co u rse sor
o r adjacent
a r eas.
a d j a ce n tareas.
yar d
$0 40/cubic yard
Site
Cto st: $0.4O/cubic
U n i t Development
D e ve l o p me Cost
n
S i t e Unit
$22 .0
00/cubic
yardd range
r ange
IDredging
D r e d g i n gCost
C o st: $
0 /cu bicyar
of
and compaction
compac ti on
comp' letion
of dewatering
dewater ingand
N oneupon
uponcompletion
Future
F u t u reUse
U seConstraints:
C o n stra i n ts: None
Iof
f i l l materials
o f fill
materials.
83
83
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IS
Figure12
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YaquinaBayDredgedMaterialDisposalPlan
tcale 1":4OO
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IEnvironmental
E n v i r o n me n taConsiderations:
Cl o n si d e ra ti ons
:
Effects
E
f f e c t s of
o f Disposal:
D i s p o s a l : This
s i t e is
i s currently
c u r r e n t l y used
u s e das
a s an
a n airstrip,
a i r s t r i p , and
T h i s site
a n das
as
such
s u c hhas
h a slimited
l i m i t e d habitat
N o vegetation
o r wildlife
h a b i t a tvalue.
v a l u e . No
v e g e t a t i o nor
w i l d l i f e would
would
be
All
b e affected
a f f e c t e dby
t h e filling
f i l l i n g of
t h i s site
l ' l fill
f i l l material
m a t e r i a l would
b y the
o f this
site. A
would
be
b e confined
co n fi n e dto
not affect
affect the
the adjacent
adjacentintertidal
to the
th e uplands
u p landsand
andwould
wouldnot
inte r ti da'l
Iareas.
areas.
Other
C o n si d e ra ti o n s:
0 t h e r Considerations:
q u a n ti ty of
placedon
The
materials
and
be placed
on this
this site
o f ma
te ri a l s that could
could be
site is
is unknown,
unknown,
and
T h e quantity
is dependent
dependent upon
upon the type of
of runway
runway improvements
improvements that
that will
will be
be proposed
proposed
is
suggested that
by
t h e State
disposa' materials
lm ater ials be
b y the
S ta te of
o f Oregon.
It is
is suggested
that disposal
be stockstoc k 0 re g o n . It
p i ' l e d on
piled
will
o n Site
S i te 18
a d jacentto
to the
the runway
r unwayso
so that they
1 8 and/or
a n d /o r adjacent
they wi'
l' l be
be available
av ai l abl e
for
of the
f o r use
d u ri n g construction
impr ovem ents.Because
Because
u se during
of the
the runway
r unwayimprovements.
th e
co n stru cti o nof
( in both
uncertainty
width),, this
u n c e r ta i n ty over
expansion(in
both length
length and
and width)
th i s
o ve r future
fu tu re runway
ru nwayexpansion
p ri o ri ty. The
The Corps
Toledo
and the
site
ha s aa very
Cor psof Engineers
Engineer sand
the Port
Por t of T
ol edo
s i t e has
ve ry low
l o w priority.
plans with the
the Department
should
make
every
effort
coordinate
their plans
Depar tment
of
s h o u ldma
kee
ve ry e
dinatetheir
ffo rt to coor
edgedmater
ial that
Transportation
order
maximize the am
amount
dredged
material
ountof dr
T
r a n s p o rta ti o nin
in o
rd e r to maximize
p l a ce don
b e placed
ccan
a n be
th e site.
o n the
si te .
855
8
S
( I l l u s t r a t e d on
SITE
F i g u r e12)
12)
l 8 (Illustrated
o n Figure
S I T E18
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Site
Description:
S i t e Description:
Location:
Toledo Air
Airport
L o c a t i o n : Southeast
a n d adjacent
a d j acentto,
to, the
So u th e a stof,
o f, and
the Toledo
por t
Size
2 0 0 ' xx 350'
S i z e : 200'
350'
LI
ya rd s at
a t 10
l0 feet,
feet, uncompacted
Capacity
C a p a c i t y : 25,000
2 5 ,0 0 0cubic
cu b i c yards
uncompacted
Capacity
b e substantially
C a p a ci tycould
co u l d be
su bstantially increased
incr easedif
as
if utilized
uti' lized as
a stockpile
site.
s t o c k p i l esite
flat area,
Physical
P h y s i c a lCharacteristics:
ar ea, bordered
bor der edon
east by
by sloping
sloping
C h a ra cte ri sti cs: AA flat
on the
the east
hills
t h e west
w e s tby
o n the
b y the
t h e Yaquina
Y a q u i n River.
aR i v e r . T
The
s o i l is
i s aa Coquille
h i l l s and
a n d on
h esoil
Coquille
from
silt
with
creek
fre shwatercr
the site
site from
l o a m, w
i th a freshwater
eek flowing
flowing through
through the
s il t loam,
fh
t hII e
e ae+
st.
disBiological
Bi
o l o g i ca l Characteristics
Muchof the
beendisC h a ra cte ri sti cs: Much
the area
ar ea has
has recently
r ecently been
Along the
turbed,
t u rb e d , denuding
d e n u d i n gmost
mo stof
of the
the vegetation
small creek
cr eek
vegetation. Along
the small
gr owthof
that
t h a t runs
ru n s through
th ro u g hthe
th e site,
s ite, however,
however is
,is a thick growth
of shrubs
shr ubs
( b l a ckb e my)and
( alder ) . These
(blackberry)
a n d some
so metrees
trees (alder).
suppor taa
Thesethickets
thickets support
p e rch i n gbirds
number
n umb eof
b i rds and
finches,
or f perching
andsmall
small mammals
manr nals.Sparrows,
Spar r ows,finches,
and
ass w
well
moles,
t h e area,
and
a n d blackbirds
b l a c k b i r d suse
u s e the
area, a
e l l as
a s shrews,
s h r e w s ,m
o l e s ,and
raccoons
r a cco o n s.
Zoning:
Z o n i n g : A-2
A-2
C
o m p r e h e n siPlan:
vel a n : S
Single
Comprehensive
fa mi ly residential
P
i n g l e family
r esidential
Ownership
P ri va te -- Jay
a n d Roland
0
w n e r s h i p : Private
R o landKiersey
Kier sey
Ja y and
Engineering
E n g i n e e r i n gConsiderations
C o n si d e ra ti o n: s
M e t h o dof
Method
o f Dredging
D r e d g i n gand
a n dFilling
Filling:
Pipeline
P i p e l i n e Dredge
Dredge
Design
D
e s i g nCriteria
C r i t eri a : Requires
i ve rsion of surface
diversion
and upland
R e q u i re sd
ar ound
sur face and
uplanddrainage
dr ainagearound
pr otect adjacent
site.
dikes
s i t e . Construct
C o n stru ctd
i ke s as
a s required
requir ed to protect
fr om spillage.
ar eas from
spill age.
adjacentareas
Pr o t e ct stream
Protect
buffers.
ri p a ri a n vegetation
stre a mand
a n d riparian
vegetationwith
with adequate
adequate
buffer s. Discharge
Dischar ge
return flow
flow into
return
into deep
deepwater.
water.
' leveling
Site
S i t e Preparation:
Some
minor
Pr e p a r a ti o n : S
n o r clearing
cl ear ing and
o memi
andleveling required.
Retur nflow
flow
r equir ed. Return
p i p e l i n ewith
may
m a yuse
u s e comon
c o m r nspillway
osnp i l l w a yand
a n doutfall
o u t f a l l pipeline
Cononw i t h Site
S i t e No.
N 0 .17.
17. C
p l u s freeboard,
s t r u c t five-foot
fi ve -fo o t d
fr eeboar d,spillway
struct
dikes
weirss as
i ke s plus
spillway and
as
and weir
rrequired.
e q u ir e d .
yar d
Site
S i t e Unit
U n i t Development
De ve l o p me Cost
n
76/cubic yard
Cto st: $0
$ 0 .76lcubic
ya rd range
Dredging
D
r e d g i n gCost
00/cubic
C ost: $2
r ange
$ 2 .0
0 /cu b i cyard
86
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IFuture
Use
None
F u t u r eU
seConstraints:
uponcompletion
completionof
C o n stra i n ts: N
oneupon
dewater ingand
of dewatering
andcompaction.
compa c ti on.
Environmental
En v i r o n me n taConsiderations
Cl o n si d e ra ti ons
im ar ily composed
IEffects
Ef f e c ts of
o f Disposal:
T h i s site
s ite is
is pr
primarily
of
D i sp o sa l : This
composed
of blackberry
blackbemybrambles,
bram bl es ,
per chingbirds
and
an d as
a s such
numberof
su chsupports
su p p o rtsaa number
of perching
bir ds and
andsmall
small mammals.
mamm al s .
placementof
The
The area
area would
would have
haveto
to be
be cleared
cleared of
of vegetation
vegetation for
for the
the placement
( if not
pr esumabTy
dredged
d re d g e dmaterials,
move
most
w h ichwould
wouldpresumably
m
ovem
hot all)
all) of
ma te ri a l s, which
ost (if
the
fa u n a l species
the site.
fauna wou'
wouldldrelocate
t he faunal
sp e ci e sout
o u t of
of the
site. Most
Mostof
of the
r elo c ate
the fauna
in
surrounding
i n su
a re a s, experiencing
exper iencingonly
only aa temporary
tempor ar yinterference.
inter fer ence.
rro u n d i n gareas,
p ro g ra mwas
planted
IAfter
vegetation
fi '1 1 program
could be
A fte r the
th e fill
wascompleted,
com p' leted,
be planted
vegetationcould
f o r the
for
of
th e reestablishment
of the
the habitat,
habitat, or the
could be
be mainmainre e sta b l i sh ment
the area
ar ea could
h u mauses.
nu se s.
Itamed
t ai n e d for
fo r human
If
maintained
is m
a i n t a i n e das
a s aa long-term
l o n g - t e r mstockpile
revegetation
h e site
s t o c k p i l esite,
s i t e , revegetation
I f tthe
s i t e is
would
not
occur.
o
c
c
u
r
.
w o u l dn o t
Other
0 t h e r Considerations:
C o n si d e ra ti o n s:
e v e nthough
The
makes
l o c a t i o n of
S i t e 18
l8 m
a k e sit
i t suitable
f o r stockpile
u s e , even
though
T
h e location
o f Site
s u i t a b l e for
s t o c k p i l e use,
g e n e r a ' l 1used
for
the
smaller
t h e available
a v a i l a b l e land
a r e a is
i s somewhat
somewha
uys e dfor
l a n d area
s tm a l l e rthan
t h a n is
i s generally
p u rp o se .
that
t h a t purpose.
p
lan d
The
Toledo
designates
l a r g e lot
1 o t single
T
h eT
o l e d ocomprehensive
e s i g n a t e sthis
t h i s area
f o r large
single
c o m p r e h e n s i plan
ve
a r e a for
f a m i l y residential
family
b e of
The
will
r e s i d e n t i a l use.
use. T
h e stockpiling
s t o c k p i l i n g activities
activities w
o f sufficiently
sufficiently
i l l be
small
s m a l l scale
t o interfere
i n t e r f e r e with
uses.
s c a l e not
n o t to
w i t h adjacent
a d j a c e n airport
ta i r p o r t or
o r residential
r e s i d e n t i a luses.
n a t u r eo
i t is
i s expected
expected
Because
of
off stockpiling
B e c a u so
e f the
t h e long-term
l o n g - t e r mnature
s t o c k p i l i n g activities,
a c t i v i t i e s o it
per m anent
that
use.
t h a t the
t h e Port
P o rt of
T o l e d owill
w i 'l l wish
to acquire
acquir ethe
the site
for permanent
us e.
o f Toledo
wish to
site for
Li
87
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Surunary&& Recommendations
Recorrnendati
Summary
ons
T
h e ccapacity
a pa ci ty o
e tw
l a n d disposal
The
off th
the
twoo land
disposal sites identified
River
identified in
in River
sSegment
e g m e n5
is d
e p e n d e nu
t p o nthe
5t is
dependent
upon
the specific
specific plans
plans for
for futur
future
airport
e air
por t
e
x
p
a
n
si
o
n
p
o
te
n
ti
a
l
a
n
d
th
e
use
of
pur poses.
site 18
lB for
expansion and the potential use of Site
for stockpiling
stockpiling purposes.
A p p r o x i ma l e l 144,000
y1 4 4 ,0 0 0cubic
yar dsof
cu b i c yards
of material
mater ial will
Approximately
will require
r equir edisposal
disposal
w i t h i n this
th i s river
ri ve r segment
year s. The
se g me nover
ot ver the
the next
next 20
within
20 years.
The capacity
capacity
o f the
t h e existing
e xi sti n g land
l a n d sites
si te s is
i s estimated
estimatedto
to be
of
be about
about 90,000
90,000cubic
cubic
y
a
r
d
s
,
a
l
t
h
o
u
g
h
y a r d s indicated
t h e 65,000
6 5 , 0 0 0cubic
c u b i c yards
i n d i c a t e dat
yards, although the
a t Site
S i t e 17
1 7 are
are
dependent
uponfuture
future airport
dependent upon
airport expansion
expansion and
and the
the timing
timing of that exexpansion.
pansion
B
l e n g t h e n i n gthe
pipeline a
t h e pipeline
p u m p sit
u s i n g booster
Byy lengthening
and
b o o s t e rpumps,
will
i,t w
n d using
i ' l l be
be
p
o
s
s
i
b
l
e
p
l
a
ce
to
d
re
d
g
e
d
por tion of
mater
ials
fr
om
the northern
nor ther n portion
possible to place dredged materials from the
(within River
Se g me n55t on
o n Site
S i te 19
1 9 (within
River
6).
River Segment
Segm ent
6) . Approximately
Appr oximately
! ! v e r Segment
2
9
,
0
0
0
ya
rd
s
cu
b
i
c
o
f
te rial fr
om this
segm entcould
20,000 cubic yards of ma
material
from
this segment
could be
placed on
on
be placed
tthat
h a t site.
s i t e . In
In a
d d i t i o n , about
a b o u t10,000
1 0 , 0 0 0cubic
c u b i c yards
- y a r d sof
o f material
m a t e r i a lfrom
from
addition,
o rti o n o
tthe
h e ssouthern
o uth e rnp
placedon
i ver segm
ent5
portion
off R
River
Segment
5 could
could be
be placed
on site
Site 15
15
o
r
l
6
i
n
R i ve r Segment
S e g me n4.
or 16 in River
4t . This
yar ds
T his would
wouldleave
leave about
about 58,000
58,000cubic
cubic yards
o f channel
c h a n n e 'lma
i n te n a n ce
ma te rial that
placementon
that would
wouldrequire
r equir e placement
of
maintenance
material
on-Sites
Sites
1
a n d18.
1 8 . Without
177 and
W i t h o u tstockpiling,
s t o c k p i l i n g , Site
S i t e 18
1 8 has
h a s aa total
t o t a l capacity
c a p a c i t yof
o f 25,000
25,000
cubic_
ya rd s. When
p re p a re das
cubic
yards.
Wh e nprepared
as aa stockpiling
stockpiling site,
site, the
the capacity
capacity of
Si t e 18
18 w
o u l dbe
b e substantially
su b sta n ti a lly increased
incr easedover
Site
would
over the
the long
long run
r uh andwouldbe
be
and would
llimited
i m i t e d only
o n l y by
b y the
t h e Port's
P o r t ' s ability
a b i l i t y to
d i s p o s eof
t o dispose
o f the
t h e stockpiled
materials.
i t o c k p i l e d materials
T h e increased
i n cre a se dcosts
co sts of
o f bucket
b u cketdredging
dr edgingand
The
and hauling
hauling that would
be
wouldbe
iincurred
n c u r r e d th
i s fa
r u
p ri ve r makes
ohibitively
this
far
upriver
makes that method
method almost
almost pr
prohibitively
e x p e n si vein
i n River
R i ve r Segment
expensive
S e g me n5.
5t .
G e o r g i aPacific
P a ci fi c has
h a s historically
h i sto ri cally used
usedaa bucket
bucketdredge
dr edgeto
Georgia
to remove
r em ovethe
the
m
a t e r i a l s from
fro m their
th e i r log
l o g dump
d u mpand
materials
and has
has then
then hauled
hau' ledthe
the materials
mater ials by
by
t r u c k to
t o an
a n upland
truck
u p l a n ddisposal
d i sp o sa 'lsite.
site. This
This method
methodof
of disposal
disposalis
is rer ecommended
to continue
continue for
for future
future maintenance
maintenance
commended to
of
of the
the log
log dump.
dump. In
In
a
d d i t i o n , construction
co n stru cti o nand
a n d maintenance
dr edgingof
addition,
maintenance dredging
of the
the-proposed
pr oposed
T
o l e d oairport
a i rp o rt boat
b o a t basin
b a si n should
sh ou' ldbe
be handled
Toledo
handledin
in the
the same
sam manner.
emanner .
T h ePort
Po r t of
o f Toledo
T o l e d ocurrently
cu rre n tl y own
appr oximately
The
30
ownapproximately
30 acres
acr es of
of salt
salt
m a r s halong
a l o n g the
th e east
e a st bank
b a n kof
o f Yaquina
YaquinaRiver
marsh
River at
at the
the southern
souther nboundary
boundar y
o f River
R i v er Segment
pur chasedthis
pr oper ty for
of
S e g me n5.
5t . T
h e Port
P o r t purchased
this property
for use
as aa
The
use as
d i s p o s a lsite,
s i t e , but
b u t its
i t s biological
p r e v e n tit
b i o l o g i c a l characteristics
disposal
c h a r a c t e r i s t i c smay
m a yprevent
it
f r o m being
p u r pose. The
b ei n g used
u se dfor
fo r that
from
th a t purpose.
maywish
Por t may
wish to
to retain
The Port
r etain
o w n e r sh i pof
o f that
th a t site
si te for
fo r use
ownership
u s eas
as aa future
futur e mitigation
mitigationsite.
site.
LI
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88
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Yaquina
Bry DredgedMaterialDisposal
-I
Plan
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DisposatSite
rrr Shoaling
._
Area
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Wilsey& Ham
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1 1 . 7 TO
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R r V E MILE
R
M r L E12.9)
12.9)
Dredging
D r e d g i n gNeeds
Needs
Maintenance
of
i n te n a n ce
r Ma
o f Existing
E xi s ting Projects
Pr ojects
M a i n te n a n ce
Maintenance
of
channel in
Segment
will rrequire
o f the
th e navigation
n a vi g a tionchannel
in River
River Segm
ent
6 will
equir e
ds of m
the
yards
material,
while the
the
t h e removal
r emo va lof
o f about
a b o u t 34,000
3 4 ,0 00cubic
cubic yar
ater ial, while
m a i n te n a n ce
maintenance
of
o f the
ch a n n elin
in Depoe
th e channel
DepoeSlough
Sloughwill
wi' |1 result
dr edr esult in
in the
the dredg i n g of
ardsd
ear p
lanning
of a
2 0 , 0 0 0ccubic
ging
ann additional
during
200 yyear
planning
a d d i t i o n a l 20,000
u b i c yyards
u r i n g the
the 2
period. T
period.
h em
a i n t e n a n cof
The
maintenance
oef the
t h e Georgia
P a c i f i c barge
G e o r g i aPacific
b a r g efacility
f a c i l i t y will
will
p r o d u ce40,000
ya
rd
s
produce
cubic
yards
of
material.
Thus,
maintenance
of
4 0 ,0 0 0cu b i c
of mater ia' |. Thus, m aintenance
of
ards
e x i s t i n g facilities
existing
will
disposal
off 9
94,000
facilities w
the d
i s p o s a lo
i l l rrequire
e q u i r e the
4 , 0 0 0ccubic
u b i c yyards
of
o f dredged
d r e d g e dmaterial.
ma te ri a l .
C o n stru cti o nof
o f New
Pr ojects
r Construction
N e wProjects
T
h e Port
Po rt o
The
off T
Toledo
anticipates
first
phase constr
construction
of a boat
boat
n ti ci p ates fir
st phase
uctionof
o l e d oa
m o o r a gfacility
fea c i l i t y in
moorage
Little
Toyko
Harbor.
Initial
dredging
would
i n L i t t l e T o y k oH a r b o r . I n i t i a l d r e d g i n gw o.|0,000
uld
g
e n e ra tea
ds of m
generate
approximately
20,000
cubic yar
yards
material,
about 10,000
p p ro xi ma te l y2
0 ,000cubic
ater ial, about
p r e p a r a t i o n . An
off w
which
o
h i c hwould
b e used
f o r land
l a n d site
A n additional
w o u l dbe
u s e dfor
s i t e preparation.
additional
ya
rd
s
2
0 , 0 00cu
20,000
cubic
yards
of
material
would
result
from
maintenance
of the
the
bic
o f ma ter ial would r esult fr om m aintenance
of
facility.
facility.
Total
for
6
T o t a l disposal
d i sp o sa l requirements
for River
listed in
in Table
Table
re q u i re me nts
River Segment
Segm ent
6 are
ar e listed
15.
t5.
TABLE
15
TABLE
I5
RIVER
66
DREDGING NEEDS
RIVERSEGMENT
SEGMENT
DREDGING
NEEDS
Project
P
ro j e ct
1.
l.
Approximate
Quantity
Appr oximate
Quantity
34,400 cy
cy
34,400
Channel
maintenance
C
h a n n ema
l i n te n ance
2 . Depoe
D e p o eSlough
S l o u g hmaintenance
ma i ntenance
2.
H a rborMarina
Mar ina
3.. Little
3
L i ttl e Tokyo
T o kyoHarbor
20,000
20,000cy
cy
construction
co
n stru ctio n
4.
4.
5.
5.
Little
T o kyoHarbor
H a rborMarina
Mar ina
L i ttl e Tokyo
maintenance
maintenance
20,000
20,000cy
cy
facility
Georgia
P a c i f i c Barge
B a r g efacility
G e o r g i aPacific
40,000
40,000cy
cy
TOTAL
NEEDS
TOTALDREDGING
DREDGING
NEEDS
II
tI
tI
I
II
20,000
20,000cy
cy
89
134,400
1 3 4 , 4 0 0cy
cy
I
I
I
I
II
I
I
I
Disposal
Op ti o n s
D i s p o sa lOptions
been
Two
yards have
capacity of
of 186,000
186,000cubic
cubic yards
have been
Twosites with aa combined
combinedcapacity
pr oximity
identified
6.
S e g me nt
6. Both
Both are
ar e located
located in
in close
close proximity
i n River
R i ve r Segment
i d e n t ifi e d in
dredge sites,
sites, and
and the site
site on
on the southern
southern shore
shore has
has been
been
to the dredge
p r e v i ou sl y utilized
disposalof
dr edgedmaterials.
Por t
previously
fo r the
th e disposal
of dredged
mater ials. The
The Port
u ti l i ze d for
parcelfor
dison
that parcel
for future
holdsan
an easement
easement
onthat
futuredisof Toledo
Toledocurrently
currently holds
p
o s a l of
these
posal
d re d g e dmaterials.
ma te ri a l s. The
The characteristics
char acter istics and
and use
use of these
of dredged
pages.
sites
t h e following
f o l l o w i n gpages
s i t e s is
i s discussed
d i s c u s s e don
o n the
t
I
I
I
I
I
I
I
I
I
I
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I
I
I
I
I
I
I
I
I
I
I
I
I
i
I
I
90
90
II
T
I
I
T
I
I
T
I
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I
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t
t
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( I l l u s t r a t e don
F i g u r e13)
13)
o n Figure
SITE
1 9 (Illustrated
S I T E19
Site
Site Description:
Description:
mill, Toledo
Toledo
Pacific Company
Company
Across river
mill,
fromGeorgia
GeorgiaPacific
river from
ILocation:
Location: Across
600
S i z e : 350'
3 5 0 ' xx 600
Size:
(I0 feet,
yards(10
feet, uncompacted)
uncompacted)
cubic yards
66,000cubic
ICapacity:
Capacity: 66,000
previously-filled
flat, previously
physicalCharacteristics:
filled
is aa large,
large:.flat,
site is
This site
Characteristics:This
Physical
influence
water
The
only
water
influence
The
only
marsh.
river
marsh.
river
old
an
atop
area,
that
sits
atop
an
old
sits
that
area,
Yaquina
River.
of the
the Yaquina
flood stage
stageof
that may
may occur
occur would
would be
River.
duringaa flood
be during
that
hasestaestagrassand
conrnunity
A grass
shrub community
has
a!q_shrub
Biological
BiologicalCharacteristics:
Characteristics:A
p
l
a
c
e
d
i
n
1969.
t
h
e
r
e
f
i
l
l
w
a
s
blished
itself
on
the
site
since
fill
was
placed
there
in
1969.
itself on the site-since
SttsneO
local
bird
primarily
by
probably
in
transience
The
site
is
probably
used
primarily
in
transience
by
local
bird
used
Thesite is
iS
more
more
populations,
environment
thesurrounding
surrounding
and
mamal populations, as
environment i
asthe
andmanrnal
purposes.
desirable
shelter purposes.
for food
food and
andshelter
desirablefor
A-2
Zoning:z A-2
Zoning
GeneralIndustrial
Industrial
Plan: General
Comprehensive Plan:
Comprehensive
- Skelton
Estate
SkeltonEstate
Private IOwnership:
0wnership: Private
:
Engineering
ng Considerations:
Considerations
Engineeri
andFilling:
Filling:
Method
of
and
of Dredging
Dredging
Method
Pipeline
Dredge
PipelineDredge
filt
the fill
and
around
aroundthe
extended
andextended
be improved
improved
shouldbe
Dikesshould
Design
Criteria:
Design
Criteria: Dikes
-site
ten feet
feet
At least
least ten
provideaa multiple-cell
configuration. At
site to
multiple-cellconfiguration.
to provide
f i l l i n g . - May
May
f o r future
futyrie
off d
dikingis
filling.
c o u l dbe
b eraised
r a i s e dfor
. r e q u i r ebut
db u tcould
i k i n b i s required
o
providediking
material.
dikingmaterial.
require
to provide
dredgingwork
workto
initial dredging
requiresmall
imall initial
dike construction
construction
thandike
otherthan
Very little
work is
is required
requiredother
little work
Preparation:Very
ISite
Site Preparation:
spillway,
weirsand
and
spillway,weirs
Construct
if available.
available. Construct
with on-site
mateiial, if
with
on-site material,
pipelineto
portionof
return flow
flow pipeline
return
deepwater
of river
river channel.
channel. Disposal
Disposal
to deep
waterportion
previously
havebeen
beenpreviously
filled.
would
filled.
wouldbe
be limited
whichhave
limited to
to those
thoseareas
areaswhich
yard
Site Unit
Development
Site
Cost:
Unit Development
Cost: $0.18/cubic
yard
$0.18/cubic
yard
IDredging
Cost:
Dredging
Cost: $2.00/cubic
yard range
range
$2.00/cubic
in the
short-termbecause
because
spacein
the short-term
Future
FutureUse
Constraints: Limited
Limitedto
to open
openspace
UseConstraints:
Upon leachinci
of salts,
salts, will
will be
of slow
leachingaf
be
of
and
slowdewatering
dewatering
andcompaction.
compaction.Upon
grazingand
for grazing
suitable
suitablefor
andagricultural
agri'culturaluse.
use.
tI
II
I
91
I91
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==+:-_---.*_-
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,,
I
0utfall
10,.,
ifp
/
e
gutfall pipe
Primaryfill area
Secondary
fill area
0verflow
Surfacedrainage
'4
%
i;.
e,
/41
,,,
0'
N
/
1,s\
t
,s%
I
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---
,?,
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point
tr Discharge
9/'
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ififAlAfif
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'4,
'4,
t*'i{::ll*::lDisposalsite
Peripheraldiking
rrrr
Interior diklng
ttrlllf Naturalbarrier
.
14
1
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YaquinaBayDredgedMaterialDisposal
I
/
Figure13
Scale t"' 4Ol
wilsey&t"f
II
t
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II
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Environmental Considerations:
:
Environmental
Considerations
i s an
a n old
f i l l site,
i n ' 11969
9 6 9for
for
Effects
E
f f e c t s of
o f the
t h e Disposal:
D i s p o s a l : This
T h i s site
s i t e is
o l d fill
s i t e , used
u s e din
i sp o sa l of
disposal
tthe
he d
o f local
l o ca l dredged
dr edgedmaterials.
mater ials. The
The veqetation
vegetationthat
that has
has
(var ious grasses)
gr asses)has
hasdone
doneso
natur a' |1y. No
rreestablished
ee sta b l i sh e dthere
th e re (various
so naturally.
No
revegetation effort
effort was
was made,
made, thus the development
development of
of new
new habitat
revegetation
Faunal use
use of the
the site
is most
mostlikely
likely
in
i n the
th e area
a re a has
h a s been
b e e nslow.
s' low. Faunal
site is
passing.
t h e site
s i t e only
o n l y in
i n passing.
ttransient,
r a n s i e n t , in
i n that
t h a t birds
b i r d s or
o r mammals
m a m m ause
ul ss ethe
habitat would
w oul d
If
revegetation
through
e nhanced
thr oughaa replanting
r ep' lantingeffort,
effor t, habitat
I f re
ve g e ta ti o nwere
w e reenhanced
develop
mor ereadily
r eadily use
the site.
site.
d e ve l o pmore
mo rerapidly
ra p i d l y and
a ndfauna
faunawould
wouldmore
usethe
p l a ce me nof
hav e
The
materials
will have
dr edgedmater
ials on
on the
the site
site will
T he placement
ot f additional
a d d i tional dredged
p
r
e
s
e
n
t
d
i
s
p
o
s
a
l
little
effect
on
the
present
condition,
since
the
disposal
of
materials
litt]e effect on the
of materials
condition, since the
p r e v i o u s ' lfilled.
yf i l l e d . Disposal
Disposal
h a v ebeen
b e e npreviously
will
w i l l be
b e limited
l i m i t e d to
t o areas
a r e a swhich
w h i c hhave
p
ro
te
c
t
fr
om
degr
adation.
techniques
protect
adjacent
wetlands
from
degradation.
t ech n i q u e swill
adjacent
wetlands
w i l 'l
Other
Co n si d e ra ti o n s:
0 t h e r Considerations:
gener al
The
T h e Toledo
P
designatesSite
Site 19
l9 for
for future
futur e general
T ol e d oComprehensive
C o mp re h e n siPlan
vel andesignates
use,
t is
is
iindustrial
ndustrial u
z o n i n gis
i s A-2,
A - 2 , or
o r agricultural.
a g r i c u l t u r a l . IIt
s e , although
a l t h o u g hthe
t h e current
c u r r e n t zoning
q u e s t i o n a b l ew
questionable
whether
future
industrial
use
is
suitable
adjacent
to
the
h e th e rfu tu re industr ial use is suitable adjacent to the
This area
wetland
the west
the site.
site. This
ar ea
w
e t l a ndhabitats
h a b i ta ts that
th a t exist
e xi st to
to the
westand
andsouth
southof
of the
pr
oviding
natur al over
serves
overflow
fl o o d control
function by
by providing aa natural
f'l ow
s e r v e san
a n important
i mp o rta n tflood
contr ol function
p ro te cts the
area,
ass
as well a
a r e a , and
land immediately
imm ediatelyacross
acr oss the
the river
r iver as
a n d thus
th u s protects
th e land
pote nti al l y
downstream.
of
d o w n stre a m.Expansion
could potentially
h igh intensity
intensity uses
uses into
into that
that area
ar ea could
E xp a n si o n
o f high
alter
It is
is suggested
suggested that
a l t e r the
th e flood
fl o o d hydrology
that the
the City
City of
of
h yd ro l o g yof
o f the
the river.
r iver . It
process.
p
l a n revision
r e v i s i o n process.
Toledo
this
d u r i n g its
i t s comprehensive
c o m p r e h e n s i plan
ve
T o l e d oclosely
c l o s e l y examine
examine
t h i s area
a r e a during
p r op e rty owner
ia'l s
to have
dr edgedmater
The
willingness to
materials
T h e property
o w n e rhas
h a s indicated
i n d i cated aa willingness
havedredged
pr 'land
eviously entered
p ' l a c e don
into
has previously
enter edinto
placed
Toledo has
o n the
th e site,
a n d the
th e Port
Por t of
of Toledo
si te , and
If the future land use
becomes
of the
the site
site becomes
easement
agreements
for
easement
for that
that use.
use. If
use of
agreements
a critical
may
f o r the
P o r t to
t o acquire
a c q u i r ethe
t h e site
site
c r i t i c a l issue,
i s s u e , it
it m
a ybe
b e advisable
a d v i s a b l efor
t h e Port
in order
order to
in
future use.
use.
to control
control the
the future
93
93
:
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r
Pe ri p h e ra ld i ki n g
rrrr
Interior diking
llllllltll Natural barrier
I 0utfal'l
n D i sch a rg eP o i n t
4'
.21P
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---
gutfall pipe
Pr imar yfill ar ea
Secondarfill
y
ar ea
0verflow
Sur facedr ainage
\
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YaquinaBayDredgedMaterialDisposatPlan I
It
It
Figure 14 I
Scale1":4OO'
94
çc,ciao
Wilsey&Ham
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t
(Il l u stra te d on
14)
F i gur e14)
o n Figure
SITE
20 (Illustrated
SI T E20
De scri p ti o n :
Si t e Description:
Site
plywoodmill,
mill '
Corporationplywood
Pacific Corporation
GeorgiaPacific
the Georgia
of the
North of
Just North
Location:
Location: Just
in T
oledo
in
Toledo
900'
0 0 ' xx 900'
500'
S
ize: 5
Size:
uncompacted
depth, uncompacted
feet depth,
at 88 feet
120,000 cubic
yards at
cubic yards
120,000
Capacity:
Capacity:
on the
the
ber mson
someberms
with some
openarea,
glga, with
Flat, open
C h a ra cte ri stics: Flat,
P
h- ysi ca lCharacteristics:
Physical
dr
ainFreshwater
drainFr
eshwater
fill
site.
old
an
is
The
area
is
an
old
fill
site.
n
o rth side.
si d e . T h e ar ea
north
source
source
an undetermined
undetermined
from an
edgefrom
north edge
the north
age occurs
along the
occurs along
age
hills)
(i u sp e cte do
Toledo
nor
th
the
fr
om
(suspected
off draining
from
the
north
Toledo
hills)
d i aining
with
land' with
is open
openland,
the site
site is
M ostof the
C h a ra cte ristics: Most
B i o l o g i ca l Characteristics:
Biological
alder.
and
ygulg
grasses,
shrubbery
scattered
bunches
of
grasses,
shrubbery
and
young
alder.
icattered bunchesof
freshwater
smal'lfreshwater
part of
bordersaa small
site borders
The
the site
of-the
northwestpart
The northwest
finches
andfinches
war
bler
s,
as
spamows,
Small
birds,
such
as
sparrows,
warblers,
and
such
ma
rsh . S ma l l b i r ds,
marsh.
for
area
the
use
Various
small
mammals
also
use
the
area
for
also
marunals
the area.
area. Various small
use
use the
n e stingpurposes.
feeding
a n dnesting
fe e d i n gand
Pur poses.
In d u stri a l
Zoning:
Z o n i n g : Industrial
Inclustr ial
Ge n e r alIndustrial
P
Comprehensive
C o m p re h e n siPlan:
vel a n : General
Pacific
Geor giaPacific
C o rp o ra te-- Georgia
Ownership:
0 w n ersh i p : Corporate
:
C o n si d e ra ti o ns
Engineering
En
g i n e e ri n gConsiderations:
F i l l ing:
a n d Filling:
Method
D re d g i n gand
o f Dredging
M e t h o dof
Dr edge
Pipeline Dredge
Pipeline
for use
use
ce1ls for
m ultiple cells
in multiple
p hasedor constructed
May ybe
constr uctedin
b e phased
Design
C
D
e s -i gn
w iCriteria:
thri te ri a : Ma
r
eloc
adr
ainage
Major
drainage
relocaMaior
m ater ial.
q u i l i ti e s of
dr edgedmaterial.
of dredged
with various
va ri o u s qualities
m
ater
i al .
to
contain
Use
dikes
to
contain
material.
necissar y. Usedikes
tion
construction
d ra i n 'co
n structionnecessary.
Ito
n or
o r drain
buffer s will
will be
be
Dikesor
or buffers
r iver . Dikes
to the
the river.
Return
fl o w should
sh o u l dbe
b e to
Re tu rnflow
protect the
freshwatermarsh
marshareas.
areas.
created
adjacentfreshwater
to protect
the adjacent
created to
im prov edr ainage
anddrainage
Construct
weir sand
improvedikes, spiliway,
spillway, weirs
P re p a ra ti o n : C
o n structdikes,
Site
Si
t e Preparation:
r equir ed.
leveling required.
andleveling
mi n o rclearing
cl ear ing and
m e n ts. Some
S o meminor
ments.
yar d
Cto st: $0.18/cubic
D e ve l o p meCost:
n
Site
Si
t e Unit
Un i t Development
$0.18/cubicyard
Li
I
II
II
I
LI
Li
r ange
yardd range
C o st: $3.00/cubic
Dredging
D r e dg i n gCost:
$ 3 .O0 /cu bicyar
quality of
fill material.
mater ial .
of fill
by
deter mined
by quality
h |ill be
be determined
C o n stra i n ts: Will
F
u t u re U
seConstraints:
Future
Use
f i l l e d with
with
A r e afilled
q u a l i t y materials
h i g h e ruse.
u s e . Area
a l l o w higher
m a t e r i a l swill
w i l l allow
Better
B e t t e r quality
as
open
be
r
eser
ved
silty,
high
organic
dredged
material
should
be
reserved
as
open
mater
ial
should
d
r
edged
o
rg
a
n
i
c
si l ty, h i g h
storage.
or for
for open
openstorage.
space
spaceor
95
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:
Considerations
Environmental
Environmental Considerations:
by recent
recent
disturbed by
extensively disturbed
This area
has been
beenextensively
area has
of Disposal:
Disposal: This
Effects of
Effects
as the
the,vegetais now
nowavailable,
available, as
Very
habitat is
vegetalittle habitat
Very little
activity.
human activity.
human
youngalders.
grassesand
alders.
andshrubs
shrubswith
with some
someyoung
tion is
mostly scattered
scattered grasses
is mostly
andminimal.
minimal.
be temporary
temporaryand
faunawould
wouldbe
flora or
or fauna
the local
local flora
Any
effects on
on the
Any effects
preserved.
andpreserved.
be buffered
buffered and
north should
shouldbe
to the
the north
The
freshwater marsh
marshto
The freshwater
C o n si d e ra ti o n s:
0
t h e r Considerations:
Other
s i te
disposalsite
as aa disposal
useboth
both as
Site
for long-term
long- ter muse
ca pacityfor
20 has
h a s sufficient
su ffi ci e n t capacity
Si t e 20
cr eati on
allow creation
ar ea would
wouldallow
lar ge area
r elatively large
Therelatively
si te . The
a n d as
a s aa stockpile
sto ckp i l e site.
and
placem ent
mater ials.
the materials.
of the
in the
the placement
fl e xibility in
of
of
ce
a n d flexibility
n u me ro ucells,
s l l s, and
o f numerous
Pa c i fi c
Geor giaPacific
futur e Georgia
with future
conflict with
This
conflict
a l low minimum
m inimum
sh o u l dallow
fl e xi b i l i ty should
T h i s flexibility
plans.
andstorage
storageplans.
development
and
development
generalindustrial
plan designates
industrial
this area
area for
for general
designatesthis
The
plan
comprehensive
The Toledo
Toledocomprehensive
precludethis
this
not preclude
the site
site would
wouldnot
on the
dredgedmaterials
materials on
use. Placement
Placementof dredged
use.
to aa
confinedto
be confined
m ater ials should
shouldbe
silty
h i ghly organic
or ganicmaterials
o r highly
u s e . However,
H o w e ve r,
si l ty or
use.
area
the area
of the
of most
mostof
use of
portion of the
future structural
structural use
that future
so that
small portion
the site,
site, so
small
of
Por t of
tle Port
Pacific' the
betweenGeorgia
Geor giaPacific,
coor dinationbetween
C l o secoordination
is n
o t'h
a mp e re d .Close
is
not
hampered.
to minimize
m inimize
in order
or der to
encour aged
Toledo
in
C o rp sof
o f Engineers
E ngineer is
sis encouraged
T o l e d oand
a n d the
'th e Corps
agreement
easement
lease or
or easement
expectedthat
that aa lease
agreement
is expected
It is
site use.
use. It
conflicts
conflicts over
over site
mechanism.
implementation
feasible implementation
mostfeasible
be the
the most
would
mechanism.
wouldbe
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ISummary
Summary
&
& Recommendations
Recomrnendations
T h e location
oposeddisposal
l o ca ti o n a
The
and
capacity
proposed
disposal sites and
and the
n d ca
p a ci ty of the
the pr
the
s h o al i n gareas
a re a s are
shoaling
within
6.
a re well
w e l l matched
matched
within River
RiverSegment
Segm ent
6. The
Theuse
use of
of
b o t h Site
pr ojections estimate
S i te 19
I9 and
both
a n d 20
2 0 will
w i l l be
be necessary.
necessar y. Cur
Current
r ent projections
estimate
t h a t the
re d g i n gneeds
th e d
n e e d sfor
for this
that
dredging
of the rriver
are
about
this segment
segm entof
iver ar
e about
y a r d s , while
1 3 5 , 0 0 0cubic
135,000
c u b i c yards,
w h i l e the
t h e capacity
c a p a c i t yof
o f the
t h e two
t w osites
s i t e s is
i s about
about
186,000
y a r d s . All
186,000
cubic
c u b i cyards.
A l l materials
m a t e r i a l sfrom
f r o mDepoe
D e p oSlough
eS l o u g hshould
s h o u l dbe
be
p l a ce don
o n Site
S i te 20
placed
2 0 since
i t affords
si n ce it
affor ds the
the best
best opportunity
for adequate
oppor tunityfor
adequat e
p r o ce ssi n gof
o f the
processing
found
th e silty
foundin
si l ty sediments
sedim ents
in that
that location.
location.
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1t
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1 43)
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SEGMENT
DredgingNeeds
Dredging
Needs
r Maintenance
Ma i n te n a n ce
of E
xi sting Projects
of
Pr ojects
Existing
M
a i n te n a n ce
a vi g ationchannel
ooff th
en
Maintenance
the
navigation
channel above
above Depoe
Depoe slough
Slough has
has not
o
c
c
u
rre
d
si n ce 1961.
1 9 6 1 . Therefore,
occurred since
T h er efor e,approximately
appr oximately
yar ds
48,000cubic
cubic yards
48,000
o f ma
te ri a l w
re q u i re removal
i l l require
removalfrom
fr om Butler
Butler Bridge
Br idge upstream
of
material
will
upstr eamto the
the
Pu
b l i sh e rsPaper
P a p e rCo.
C o . log
l o g storage
ybar planning
s tor agearea
ar ea during
dur ing the
planning
the 20
Publishers
20 year
period.
Iperiod
paper
IIn
n oorder
r d e r tto
o m
a i n t a i ntheir
t h e i r barge
b a r g eloading
l o a d i n gfacility,
maintain
f a c i l i t y , Publishers
P u b l i s h e r sPaper
yar
ds
C o . removes
r e mo ve 250-300
s2 5 0 -3 0 0cubic
cu b i c yards of
mater ial every
year s. They
of material
ever y55 years.
Co.
They
q u a n t i t y of
h i s small
p
l q c g tthis
s m a l l quantity
p l a n t parking
o f material
m a t e r i a l directly
parking
d i r e c t l y on
place
o n the
t h e plant
llot
ot b
u se of
o f aa bucket
b u cke tdredge.
byy use
d redge.
r Construction
C o n stru cti o nof
o f New
Pr ojects
N e wProjects
Is
p ro j e cts have
n e wprojects
N
h a vebeen
b e e nidentified
identified within
Noo new
7.
within River
RiverSegment
Segm ent
7.
D i s p o s a Options
lO p t i o n s
IDisposal
o te n ti a l si
T
h r e ep
te s w
i th a
Three
potential
sites
with
a total
total capacity
capacity of
of about
about 420,000
420,000 cubic
cubic
yyards
a r d s have
h a v ebeen
b e e nidentified
i d e n t i f i e d in
i n River
R i v e rSegment
S e g m e 7.
n7t. Table
T a b l e16
1 6 lists
l i s t s the
the
i n d i v i d u a l sites
s i t e s and
a n dtheir
physical
individual
t h e i r estimated
e s t i m a t e dcapacities.
c a p a c i t i e s . The
T h ephysical
o te n tial use
ccharacteristics
h a r a cte ri sti cs a
nd p
sites ar
and
potential
use of
of these
these sites
are
described
e descr
ibedin
in the
ages.
followingp
pages.
It
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TABLE
16
TABLE
16
R
IV E RS
EGM ENT
DISPOSAL
RIVER
SEGMENT
7
OPTIONS
7 -- DISPOSAL
OPTIONS
S i t e No.
Site
No.
Appr oxim ate
Approximate
Capacity
Capacity
'1
21
2l
15,000cy
115,000
cy
22
22
155,000cy
155,000
cy
23
23
150,000 cy
cy
.l50,000
TOTAL
DISPOSAL
TOTAL DISPOSAL
OPTIONS
OPTIONS
I
99
99
420,000cy
420,000
cy
1t1
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tpu.uupII.II..II
p
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'
2'
Disposal site
Peripheral diking
--
Interior diking
1111111111
'\ Outfall pipe
P Primary fill area
S
Yaquina
Yaquina Bay
Bay Dredged
Dredged Material
Material Disposal
Disposal Plan
Plan
Figure
Figure15
15
400
Scale
Scale11"c4OO'
100
100
WiIsey& Ham
Ham
Wilsey&
I
H
I
I l l u s t r a t e don
S I T E221
1 ((Illustrated
o nFigure
F i g u r e15)
SITE
l5)
t
t
I
S i t e Description:
Description:
Site
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L o c a t io n : Upstream
Location:
fro m the
U p stre a m
th e mouth
from
mouth of
of 0lallie
Olallie Creek,
of
Cr eek, southeast
southeastof
t h e Georgia
ponds.
G e o r g i aPacific
P a c i f i c Pulp
P u l pPlant
P l a n t settling
the
s e t t l i n g ponds.
S
ize: 3
Size:
7 5 ' xx 1125'
375'
ll25'
C
a p a ci ty: 75,000
Capacity:
7 5 ,0 0 0C.Y.
C .Y . at
a t 55 feet
feet depth,
depth, uncompacted
uncompacted
Ph ysi ca lCharacteristics:
C h a ra cte ri sti cs: This
Physical
This site
site has
has aa varying
var yingtopography,
topogr aphy,
w
i
t
h
a
with a series
s e r i e s of
o f small
s m a l lknolls
k n o l l s throughout
t h r o u g h o uthe
t h e area.
a r e a . In
I n the
t h e 1low
ow
l y i n g areas
a r e a smuch
m u c hof
o f the
t h e land
l a n dis
lying
i s flat.
f l a t . The
T h eCoquille
C o q u i l l esilt
s i l t loam
loam
so
i l has
h a s been
b e e ncovered
co ver edby
by dredged
soil
dr edgedmaterials.
m ater ials. The
site m
The site
may
ay
e
xp
e
ri
e
n
ce
a high
h i g h water
watertable
table during
dur ingthe
experience a
the wetter
wetter seasons.
seasons.
B i o 'l o g i ca lCharacteristics:
C h a ra cte ri stics: The
Biological
The area
ar ea has
has been
beendisturbed
distur bed extensively
extensiv el y
a s t , ssoo tthat
iin
n tthe
he p
h a t aany
n y vvegetation
past,
wildlife
e g e t a t i o noorr w
i ' l d l i f e eexisting
x i s t i n g oonn tthe
he
piedom i nant
si
te has
h a s established
e sta b l i shedin
in recent
r ecenttimes.
site
times. Shrubs
Shr ubsare
ar e the
the predominant
( s c o t c hbroom),
v e g e t a t i o n(scotch
(alder)
b r o o m ) with
,w i t h aa strong
vegetation
s t r o n gstand
s t a n dof
o f riparian
r i p a i ^ i a n(alder)
ve g e ta ti o nalong
a l o n gthe
the creek.
cr eek.
vegetation
Z o n i n g : IIndustrial
Zoning:
ndustrial
C o m p r e h e n siPlan:
P
vel a n : Ge
Comprehensive
n e ralIndustrial
Industr ial
General
Ownership:
0
w n e r sh i p : Corporate
C o rp o ra te-- Georgia
Ge or giaPacific
Pacific
En g i n ee ri n gConsiderations:
Engineering
C o n si d e ra ti o n: s
M e t h o dof
s f Dredging
Methods
o
D r e d g i n and
ga n dFilling:
Filling:
P i p e l i n eDredge
Pipeline
Dredge
D
e s i g nCriteria:
Design
C r i t e r i a : Important
I m p o r t a n to
t o divide
d i v i d e site
s i t e with
i n t e r i o r diking
w i t h interior
d i k i n g so
that
s o that
a d e q u a tesettling
adequate
se ttl i n g of
o f dredged
d redgedmaterials
m ater ialsoccurs.
occur s. Return
Retur nflow
f' lowwill
will
bee tto
b
o Olallie
0 l a l l i e Creek.
Creek. E
revent
xistingd
i k e s sshould
Existing
dikes
prevent
h o u l dbe
b e improved
i m p r o v e dto
to p
lloss
oss o
p o o rw
orr spillage
s p i l l a g e to
t o the
q u a l i t y in
t h e creek.
creek. E
x i s t i n g poor
Existing
water
a t e r quality
in
Olallie
0 l a l l i e Slough
S l o u g hwill
w i l l restrict
r e s t r i c t dredging
d r e d g i n gtimes.
times. D
Dredging
r e d g i n gefforts
e f f o r t s must
must
b e coordinated
co o rd i n a te dwith
w i th Oregon
be
of Fish
0 regonDepartment
Depar tment
Fish and
and Wildlife
W ild1ife in
in
o rd e r to
to minimize
mi n i mi zeeffects
e ffe cts on
order
on the
the fish
fish runs.
r uns.
P r e p a r a t i o n : Improve
Site
S i t e Preparation:
I m p r o v ed
i k e s using
dikes
u s i n g on-site
o n - s i t e material,
m a t e r i a l , construct
c o n s t r u c tweirs,
weirs,
p i p e installation.
sspillway
p i l ' l w a ya
and
n dd
discharge
i s c h a r g epipe
installation.
Si te Development:
yar d range
Unit
U n i t Site
D e ve l o p me n t:Cost:
C o s t: $0.27/cubic
r ange
$0.2Ucubicyard
Dredging
D r e d g in gCost:
C o st:
$3.00/cubic
yardd range
r ange
$
3 .O0 /cu b i cyar
L
t
II
III
F
u t u r eUse
Future
U s eConstraints:
C o n s t r a i n t s : If
I f ffilled
illed w
with
dredged
material
ith d
r e d g e dm
a t e r i a l ffrom
r o m tthe
h e vvicinity
icinity
o f Depoe
D e p o eSlough,
S l o u g h othe
th e area
a r ea should
of
shouldremain
space
use
until
r emainin
in open
openspaceuse unti' l adead eq u a te settling
quate
has
se ttl i n g and
a n dcompaction
co m paction
hasoccurred.
occur r ed.
t0t
101
Environmental
Considerations:
:
Environmental
Considerations
Effects
This area
area has
extensively disturbed
disturbed by
Effects of
of Disposal:
has been
beenextensively
Disposal: This
by recent
recent
human
humanactivity,
Small
activity, and
and therefore
therefore supports
supportsno
no strong
strong habitats.
habitats. Small
shrub groups
exist scattered
shrub
groups exist
none are extenextenscattered throughout
throughoutthe
the site,
site, but none
gr
oup.
sive
a
diverse
faunal
group.
s i v e enough
e n o u g hto
to support
a
diver
se
faunal
The
filling
of
the
su p p o rt
the site
s i te
The filling
greatest
would
Of greatest
wouldcause
causeminimal
minimaleffects
effects to
to the
local environment.
the local
environment. 0f
concernis
is the
concern
marsh area
area on
on the
Olallie
the marsh
the northeast
northeast border
border that lines
lines 0lallie
pr
otected
Creek.
C r e e k. T
i
s
This
is
a
well
established
marsh,
and
should
be
protected
his
a w e l l establishedmar sh,and should be
from
from adverse
adverseimpacts.
impacts. Future
conFuture use
use of
of the
the site
site should
take into
into conshouldtake
preservationof
proposed
sideration
proposed
diking
system
sideration the
the preservation
of the
the marsh
marsh. The
diking
system
The
p
ro
te
ct
will
w i l l protect the
th e existing
e xi sti n g riparian
r ipar ian system
systemso
that wildlife
im pacts
so that
wildlife impacts
will
w i l l be
b e minimal.
minimal.
Close coordination
Close
of
coordination with
with the
the Oregon
Departments
0regonDepartments
of Environmental
Environmental
placem entof dr
Quality
and
Wildlife
will insure
dredged
n d Fish
F i sh && }{i
l d l ife will
insur e that
that placement
edged
Q
u a l i ty a
per iod that
quali ty
m a te ri a l s occurs
d u ri n g aa time
materials
o ccu rsduring
time period
that will
will minimize
minimizewater
water quality
and
Olallie
Slough.
a
n d fisheries
f i s h e r i e s impacts
i m p a c t sin
in 0lallie Slough.
Other
O
t h e r Considerations
C o n si d e ra ti o n s:
p o rti o n o
Only
off the
capacity of this
this site
would be
used dur
during
O
n l y a small
sma l l portion
th e capacity
site would
be used
ing
e a r planning
p l a n n i n gperiod,
p e ri o d , and
placem entcould
the
and dr
dredged
material
could be
t h e 20
2 0 yyear
edgedmater
ial placement
be
planned
c o o r d i n a te dso
a s not
n o t to
to interfere
i n te r fer e with
coordinated
uses
so as
other planned
with other
usesof
of the
thesite.
site.
plan
general
The
curuent comprehensive
The current
plan designates
comprehensive
designatesSite
Site 21
2l for
for future
future general
p l a ce mentof
industrial
i n d u s t r i a l use.
u se . The
T h eplacement
of dredged
dr edgedmaterials
does
mater ials on
on this
this site does
p
r
e
cl
u
d
e
not
this
settling and
and compaction
compaction must
must
n
o t preclude th
i s use;
u se ; however,
h o w e ver adequate
,adequate settling
p r i o r to
occur
o c c u r prior
to structural
Close coordination
stru ctu ra l use
u seof
of the
the site.
coor dinationwith
with
site. Close
Georgia
G e o r g i aPacific
P a ci fi c is
i s advised
a d vi se din
i n order
to insure
insur e the
the most
mostefficient
efficient shortor der to
shor tand
tterm
erm a
n d long-term
l o n g -te rmuse
u se of
o f the
th e site.
site.
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ISITE
S I T E222(Illustrated
2 ( I l l u s t r a t e d on
o n Figure
F i g u r e15)
l5)
Site
S i t e Description:
Description:
Location:
from
mouth of Olallie
fro m the
th e mouth
the east
L o c a t io n : Upstream
U p stre a m
0lallie Creek,
Cr eek, on
on the
east
off the
sside
ide o
th e creek.
cre e k.
Size:
S i z e : 600'
6 0 0 ' xx 1,000'
1,000'
.|1 0 ,0 0 0
ya rds at
ICapacity:
depth, uncompacted
C a p a c i ty: 110,000 cubic
cu b i c yards
at 55 feet
feet depth,
uncom pacted
pastur e,with
Physical
The site
Ph ysi ca lCharacteristics:
site is
is aa flat
flat pasture,
ber m s
C h a ra cte ri sti cs: The
with berms
formed
The
f o r m e dalong
t h e waterfront.
h e soils
i s the
t h e Coquille
C o q u i l l esilt
a l o n gthe
waterfront. T
s o i l s is
silt
possibly occur
loam
with
water influence
occurring
Io a mvariety,
i th water
influence possibly
r ing during
dur ing
va ri e ty, w
f l o o d i n g of
flooding
o f the
t h e Olallie
0 l a ' l li e Creek.
Creek.
p a s t u r e l a n dthe
Biological
B i o l o g i c a lCharacteristics:
t, h e site
C h a r a c t e r i s t i c s : As
A s pastureland,
s i t e is
i s restricted
restricted
gr assesare
both
iin
n b
o th floral
f'l o ra l and
a n d faunal
ar e the
t he
faunal assemblages.
assemblages.Pasture
Pastur egrasses
p l a n t types,
ma i nplant
main
mammals
may
typ e s, and
andsome
bum owing
maylive
live there.
ther e.
som eburrowing
mar nm als
(cro wnedsparrows,
F i e l d birds
Field
goldfinches, etc.)
would use
b i rd s (crowned
etc. ) would
use
spar yows,goldfinches,
the
th e area
a re a for
fo r feeding.
fe e d ing.
Zoning:
A-2
Z o n i n g : A-2
Comprehensive
C
o m p r e h e n siPlan:
vel a n : Rural
P
R u ra l residential
residential
Ownership:
P ri va te -- Ray
a nd Lurena
Fieber
0 w n e r s h i p : Private
R a yand
Lur enaFieber
Engineering
En g i n ee ri n gConsiderations:
C o n si d e ra ti o n: s
Method
M e t h o dof
o f Dredging
D r e d g i n and
ga n dFilling:
Filling:
Pipeline
P i p e l i n e Dredge
Dredge
Design
N o .21
2'l
D
e s i g nCriteria:
C r i t e r i a : Similar
S i m i l a r to
t o Site
S i t e No.
Site
Similar
S i t e Preparation:
Preparation: S
i m i l a r to
t o Site
2l
S i t e No.
N o .21
Site
S i t e Unit
U n i t Development
D e v e l o p m eCost:
C
n to s t : $0.11/cubic
$ 0 . 1 . | / c u b i yards
cy a r d s
Dredging
C o st: $
$3.00/cubic
yardd range
D
r e d g i n gCost:
r ange
3 .0 0 /cu b i cyar
gr azingand
phasedand
agr iFuture
F u t u r e Use
U seConstraints:
C o n stra i n ts: May
Maybe
be phased
andreturned
r etur nedto
to grazing
andagricultural
c u l t u r a l use
d e w a t e r i nand
ga n dinitial
i n i t i a l settling.
u s eafter
a f t e r dewatering
settling.
Environmental
:
En v ri o n me n taConsiderations:
l o n si d e ra ti o ns
C
pastur ewould
Effects
D i sp o sa l : This
not experience
exper iencesignificant
Ef
f e c t s of
o f Disposal:
T h i s diked
diked pasture
wouldnot
significant
adverse
materials.
a dve rseimpacts
d u eto
to the
disposalof
of dredged
dr edged
mater ials. Shrews,
Shr ew s ,
i mp a ctsdue
the disposal
g o p h e rsmay
be the
fauna that
be directly
moles
m
o l e sand
a n d gophers
ma ybe
the only
that would
dir ect' ly
only fauna
wouldbe
per ish, or
i nfl u e n ce dby
influenced
Some of these
mammalsals
may perish,
b y the
th e fill
fi l l action.
action. Some
these mamm
may
t
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rrelocate.
e l oca te . Field
b i rd s, such
F i e l d birds,
s uchas
as blackbirds
blackbir dsand
andmeadowlarks,
m eadowlar ks,
would
wouldfeed
feed elsewhere.
habitat is
elsewhere. The
The habitat
is not
not unique
uniqueto
to the
area
the area
a n d no
n o significant
i mp a ctswould
and
would occur
si g n i fi ca n t impacts
occur as
as aa result
r esult of its
its use
use.
grassesafter
years,
The site
site could
be replanted
in grasses
The
could be
replantedin
twoto
after two
to four
four years,
pasturelandcould
and the
years.
the pastureland
could be
be regained
regainedin
five
and
five
to
ten
years.
Any
in
to ten
Any
impacts
on the
impactson
the area
area would
be temporary
wouldbe
temporary.
Close coordination
Close
of
coordinationwith
the Oregon
with the
OregonDepartments
Departments
of Environmental
Environmental
Quality
Wildlife
would be
a n d Fish
F i sh && t^
l i l d life would
be necessary
necessar yto insure
insur e that
Q u a l i ty and
d r ed g i n gschedules
quality and
dredging
sch e d u l e swere
w e reconsistent
consistent with water
fisher ies
water quality
and fisheries
needs.
n e ed s.
Other
0 t h e r Considerations
C o n si d e ra ti o n s:
p l a n designates
T h e current
c u r re n t comprehensive
co mp re h e n si ve
The
plan
designatesthis
ar eafor
this area
for rural
r esir ur al resip
l
a
ce
me
no
t f dr
dential
use.
The
Diacement
of
dredoed
materials
on the
d e n t i a l u se . T h e
edgedmater
ials on
the site
should
site should
p r e c l u d ethis
n o t preclude
th i s use,
u se ; however,
h o w e v er structural
,str uctur al use
not
would be
use of the
the site
be
site would
p
o
s
t
p o ne d
u n ti l adequate
postponed
until
had
a d e q u a tesettling
se ttling and
and compaction
compaction
had occurred
Raising
occur r ed. Raising
p ro p e rty through
placementof disposal
t h e elevation
e l e va ti o n o
th e property
the
off the
materials
ials
thr oughplacement
disposal mater
pr essur esfor
n o t cre
s h o u l dnot
a d d i ti o n a l pressures
should
create
conversion
moreeintensive
a te additional
for conver
intensive
sionto mor
land
l a n d uses.
uses.
N
e i t h e r the
th e ca
Neither
capacity
off S
Site
nor Site 22
p a ci ty o
i te 21
2l nor
22 could
could be
be fully
fully utilized
utilized
p l a n n i n gperiod.
ye a r planning
per iod. These
pr oxiduring
d
u r i n g the
t h e 20
2 0 year
These sites
sites are
ar e in
in close
close proximity
only one
m i t y to
t o each
ea chother;
th e re fo re,use
useof,
would
o th e r; therefore,
of only
one of
of the
the sites
sites would
be
needs. The
be sufficient
The Port
sufficient to
to meet
the short-term
dredgingneeds.
meetthe
short-termdredging
of Toledo
Port of
Toledo
property owners
maywish
wish to
to negotiate
negotiate with
may
with both
both property
ownersto
to determine
determinewhich
which site
site
pre fe ra b l eoption.
is
i s the
t h e preferable
o p ti o n . It
expected that
easement
It is
is expected
that a long-term
long- ter mlease
lease or ease
m ent
p r o vi d ethe
would
implementation
flexibility.
w o u l dprovide
n e ce ssa ry
th e necessary
i m plementation
flexibility.
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( I l l u s t r a t e don
S I T E23
SITE
2 3 (Illustrated
F i g u r e16)
t6)
o n Figure
ISite
S i t e Description
Description:
p o r t i o n of
Location
L o c a t i o n : Southern
S o u t h e r nportion
o f Publishers
P a p e r ' slog
1 o gstoraqe
P u b l i s h e r sPaper's
s t o r a g ea
area
rea
Size
S
i z e : 400'
4 0 0 ' xx 400'
400'
ya rds at 55 feet
Capacity
C a p a ci ty: 40,000
4 0 ,0 0 0cubic
cu b i c yards
feet depth,
depth, uncompacted
uncompacted
Physical
Ph ysi ca lCharacteristics
C h a ra cte ri stics: AA flat,
flat, open
openarea,
ar ea, bordered
the west
bor der edon
on the
wes t
b y the
th e Y
by
Yaquina
a q uinaRiver
River and
and to
to the
the east
east by
tr acks.
by railroad
r ailr oad tracks
The
T h esoil
s o i l is
i s Fendall
l o a m ,and
a n d experiences
F e n d a l lsilt
s i l t loam,
e x p e r i e n c eseasonal
s e a s o n ahigh
hl i g h
water
Berms
w a t e rtables.
tables. B
e r m sline
l i n e the
t h e river-side
r i v e r - s i d e border.
b o r d e r . Existing
Existing
i s log
use
and
u
s e is
log a
n d slash
s l a s h storage
storage.
Biological
Bi
o 'l o g i ca lCharacteristics
C h a ra cte ristics: The
is currently
cur r ently used
for storage
The site
site is
usedfor
stor age
of
o f logs
l o g s and
a n dslash
s l a s hmaterial
m a t e r i a l . There
T h e r eis
i s no
n o significant
significant
pastur el and
fl o ra or
flora
fa unaon
o r fauna
on the
the site.
site. Adjacent
Adjacentuses
usesinclude
include pastureland
which
w h i ch experiences
tabl e.
e xp e r iencesannual
annualinundation
inundationdue
due to
to aa high
high water
water table
( I-1)
Zoning:
Z o n i n g : Industrial
I n d u s t r i a l (I-i)
IComprehensive
Plan
C o m pre h e n si P
vel a n : General
Ge n e r alIndustrial
Industr ial
Co.
Ownership
C o rp o ra te-- Publishers
P u blisher sPaper
PaperCo
0 w n e r sh i p : Corporate
Engineering
En
gni ee rin g Considerations
C o n si d e ra ti o n: s
M e t h o dof
Method
o f Dredging
D r e d g i n gand
a n d Filling
Filling:
Design
D e s i g nCriteria
Criteria:
Pipeline
P i p e l i n e Dredge
Dredge
S
Similar
i m i l a r to
21.
t o Site
S i t e 21
ISite
S i t e Preparation
P r e p a r a t i o n : Similar
2l
S i m i l a r to
t o Site
S i t e 21
Unit
U n i t Site
$0 22/cubic yar
yardd
S i te Development
D e ve l o p me n t:C
Cost
ost: $0.22/cubic
ard
Dredging
D r e d g i n gCost
$22 .00/cubic
Cost: $
0 0 / c u b i cyyard
Future
Use
F
u t u r eU
C o n stra i n ts: N
None
seConstraints
uponcompletion
completionof
of dewatering
andcompaction,
compac ti on,
oneupon
dewater ingand
year
s.
b u t limited
l i mi te d to
to non-structural
but
n o n -structur alloading
loadingfor
for 55 to
l0 years. Latter
Latter is
is
to 10
f u r t h e r soils
ssubject
u b j e c t to
t o further
investigation.
s o i l s investigation
Environmental
En
v ri on me n taConsiderations
l o n si d e ra ti ons
:
C
Effects
Placement
of additiona'
additional l dr
dredged
materials
Ef
f e c ts of
edgedmater
the
o f Disposal
D i sp o sa l : P
l a cem ent
ials on
on the
of
effects. Habitat
site
would
have
noo a
adverse
environmental
si
te w
o u l dh
a ve n
d ver seenvir
onmentaleffects
Habitat use
useis
is
re stri cte d by
restricted
b y the
the site
into the
the
th e current
cu rrent use
use of the
site. Direct
Dir ect outfall
outfall into
p reventany
pas tur e/
river
ri ve r channel
ch a n n e lwould
any adverse
adver seimpacts
impactsto
to the
the adjacent
adjacentpasture!
w o u l dprevent
w e tl a n darea
a re a .
uwetland
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.::::::::
23
23
A
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l. r
-i.3
/1/I
1'
-
I
III
I
it
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1%
iI I
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\:
!
I
:
I
.l
l:+$ll]]:+ii
r'r'JJJJJJ.'JJJ
-
D i sp o sa lsi te
P e ri p h e ra ld
i ki n g
PeriPh
dikiflg
IIII
I n t e r i o r dikifl9
diking
__
Inter°
iltffililf
Naturalbarrier
barrier
UIUUI Natural
I Outfall
0utfal I
I
n
point
Discharge
0 DisCharge
polflt
pipe
.-^. Outfall
0utfall pipe
P PrimarY
Pr im ar yfill
fill area
ar ea
P
area
S SecondarY
Secondary
fill area
S
fill
A
0verflow
£ OverfloW
--- Surface
jnage
Surface drainage
\
VaquinaBay
MaterialDisposal
DisposalPlan
Plan
yaquina
Bay Dredged
redged Material
'16
Figure16
106
106
Sca$e
1: 400
Scrlc 1":4O0'
Wileey&H8m
Ham
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IOther
Considerations
Other Considerations
U
s eo
ite 2
Use
off S
Site
233 w
will
with
Publisher's
Paper
Coo .
e q u i r e cclose
l o s e ccoordination
o o r d i n a t i o nw
u b l i s h e r ' sP
i l l rrequire
ith P
a p e rC
in o
in
order
maximize
r de r to
to ma
xi mi zecontinuing
co n ti nuingefficient
efficient use
for both
log storage
usefor
bothlog
stor ageand
and
pur poses. The
dredged
d r e d ge dmaterial
ma te ri a l disposal
d i sp o sa lpurposes
The land
land is
is currently
cur r ently zoned
zonedfor
for
g
e n e ra l industrial
entof
i n d u stri a l u
general
use,
and
placement
of dr
dredged
materials
on the site
site
nd placem
edgedm
se , a
ater ials on
p l a c e don
will
n o t alter
w i l l not
a l t e r that
A l l materials
t h a t use.
u s e . All
m a t e r i a l swill
w i l l be
b e placed
o n top
t o p of
o f existing
existing
ffill
ill.
pasture that
The
The area
area adjacent
adiacent and
and southeast
sorrtheastof
of Site
Site 23
23 is
is currently open
openpasture
e x p e r i e n ce sseasonal
experiences
water table
se a so n a inundation
li n u n dationdue
due to
to aa high
high water
table. Publisher's
Publisher 's
h
a s indicated
i nd i ca te d th
has
that
they
would
be willing
willing to rreceive
fill m
material
on tthat
a t th
ey w
ouldbe
ater ial on
eceive fill
hat
p
r o p erty; h
property,
however,
filling
cannot occur
occur due
due to the existence
existence of
of a wetl
wetland
o w e ve r,fi
l l i n g cannot
and
habitat
h
a b it a t.
Negotiation
N e g o ti a ti o nof
l e a se between
b e tweenPublisher's
Publisher ' s Paper
PaperCo.
Co. and
and the
the Port
Tol edo
o f aa lease
Por t of Toledo
is
advisable
mechanism
i s tthe
he a
d vi sa b l eimplementation
i mp l e me ntation
m echanism.
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107
Surnnarv
Recorrnendations
Summary
&& Recommendations
T h e capacity
ca p a ci ty of
th e available
a va i l able dredged
dr edgedm
The
material
o f the
ater ial disposal
disposal sites in
R
iver S
r su
e g me n7t fa
rp a ssesthe anticipated
River
Segment
far
surpasses
anticipated need,
need, although
although it
is
it is
portion of Sites 22
expectedthat
that Georgia
Pacific may
GeorgiaPacific
expected
may use
use aa portion
22 and
and 23
23
pondwastes.
f o r disposal
di sp o sa l and
a n d settling
se ttl i n g of
for
of their
their sludge
sludgepond
Sites 21
2l
wastes. Sites
priorities for
23 have
and 23
highest priorities
and
have the
the highest
for use
use since
since they
they have
have been
been
p r v e i o u s l ydisturbed
prveiously
d i s t u r b e dby
b y disposal
d i s p o s a lactivities.
activities.
108
108
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Section IV
Section
lV
Disposal
DisposalGuidelines
Guidelines
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SE
C T ION
SECTION
IV
GUIDELINES
IV DISPOSAL
D IS P OS A
L IDELINES
GU
T h eindividual
previous
The
d i s p o s a 'site
i n d i v i d u a l disposal
sl i t e discussions
d i s c u s s i o n scontained
i n the
c o n t a i n e din
t h e previous
p r e s e n t e dtthe
section
engineering
and
s e c t i o n presented
he e
n g i n e e r i n gcconsiderations
o n s i d e r a t i o n sa
n d use
u s e ccriteria
riteria
p ro p o se ddisposal
ffor
o r each
ea chproposed
d i sp o sa' site.
lsite. These
Thesecriteria
cr iter ia vary
for each
var y for
eachsite
site
d
e p e n d i n gu
p o nboth
b o th the
th e char
depending
upon
characteristics
and of the
dredged
acter istics of the site
site and
the dr
edg ed
p .l a ce d
material
on
m a t e ri a l to
to be
the site.
A' lthoughdifferent
b e placed
o n the
differ ent criteria
site. Although
wer e
cr iter ia were
a p p l i e dto
guidelines
t o specific
s p e c i f i c sites,
s i t e s , there
n u m b eof
applied
t h e r e are
a r e aa number
d i s p o s a lguidelines
or f disposal
general
which
w h i c hshould
s h o u l dbe
b e applied
a p p l i e dto
t o all
a l l disposal
d i s p o s a sites.
l s i t e s . The
T h efollowing
f o l l o w i n ggeneral
g u i de 'l i n e swere
w e redeveloped
d e ve l o p ed
guidelines
through
thr oughreview
r eviewof
technicalliterature,
liter atur e,
of technical
i n t e r v i e w sw
i t h dredging
interviews
with
d r e d g i n gand
a n ddisposal
d i s p o s a 'technicians,
tl e c h n i c i a n s and
,a n ddiscussions
discussions
per sonnelresponsible
fe d e ra l and
w i t h federal
with
sta te agency
a g encypersonnel
a n d state
r esponsiblefor the
r eview
the review
of
o f disposal
d i s p o s a lactivities.
activities.
l.
I1.
Drainage
D r a i n a g eDiversion
Diversion
Proper
water runoff
P ro p e rdiversion
d i ve rsi on of surface
sur face water
r unoff must
mustbe
be
p ro vi d e dto
provided
to maintain
ma intainthe
integr ity of
natur al
the integrity
of the
the natural
streams
stre a msand
d rainageways.Leaching
a n ddrainageways.
Leachingof
of disposal
disposal
runoff
waterway
must be
ru n o ff into
i n to the
th e water
be controlled
contr olled and
and
waymust
a l l disposal
all
water must
must enter
d i sp o sa i runoff
ru noff water
enter the
the waterway
water way
th ro u g han
through
a n appropriate
a p p r opr iateoutfall.
outfall. Underground
Under gr ound
protected.
springs
s p r i n g smust
m u s tbe
b e identified
a n dprotected.
i d e n t i f i e d and
Ito
2.
I2.
Sediment
S e d i m e nQuality
Turbidity
Qt u a l i t y && Turbidity
D i k e sshould
l a r g e enough
Dikes
well
s h o u l dbe
a n d large
enough
be w
e l l constructed
c o n s t r u c t e dand
p roper upondingu
pr
event
proper
and
to
prevent
the
to encourage
e n co u ra g e
to
and
the
"ponding"
re tu rn o
return
off suspended
fines
waterway
or
su sp ended
fines into
into the
water
way
the
e
s t u a r y . Ponds
estuary.
maintain
P o n d sshould
d e s i g n e dto
s h o u l dbe
b e designed
to m
a i n t a i nat
at
l e a st one
least
water
at
all
times
fo o t of
of standing
o n e foot
water
at
all
times
standing
pr opersettling.
to further
to
proper
fu rth e r encourage
sett' ling. Weirs
W eir s
e n cour age
2
3
should
have
2-3
inch
crest
heights.
s h o u l dh a v e
inch crest heights.
performedon
Sediment analysis
analysis has
recent'ly performed
Sediment
has been
beenrecently
on
ma te ri a l from
material
a
number
of
sections
of
fro m a numberof sections of the
navithe navig
a ti o n ch
gation
channel,
as well
well as
as the
the conr
comercial
boat
a n n e l ,as
m er cial
boat
basin
and
South
Beach
Marina
site.
b a s i n a n d S o u t hB e a c hM a r i n as i t e . P
Prior
r i o r to
to
per for m ed
d
re d g i n g , sediment
dredging,
se d i mentanalysis
be performed
analysis should
shouldbe
for off-channel
for
off-channel and
nearshoreareas
that may
may
and nearshore
areas that
ccontain
o n t a i nfiner
f i n e r silt
s i l t or
o r g a n i cmatter.
m a t t e r . This
T h i s will
will
o r organic
p roper disposal
pr ecautionscan
th a t proper
ensure
e
n su rethat
disposal precautions
can be
be
p l a n n e dfor
planned
f o r in
i n the
t h e specific
d e s i g nof
t h e disdiss p e c i f i c design
o f the
p o s a lsites.
posal
sites.
Ilog
109
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Timing
Timing
The
d r e d g i n gand
a n ddisposal
d i s p o s a lactivities
activities
T h etiming
t i m i n g of
o f dredging
should be
be coordinated
coordinated with the Department
Department of
of
should
Environmental Quality
Quality and
and the Department
Department of
of
Environmental
protection
Fish
and t,{ildlife
Wildlife to
ensureadequate
Fish and
to ensure
adequateprotection
pr oductiveelements
of
suchas
as
o f biologically
b i o l o g i ca l l y productive
elem entssuch
general,
a
I n general,
ffish
i s h runs,
s p a w n i nactivity,
g c t i v i t y , etc.
e t c . In
r u n s , spawning
per iodsof
disposal
dur ingperiods
sh o u l doccur
of adeaded i sp o sa l should
occurduring
q u a te river
quate
flushing of
of suspended
ri ve r flow
fl o w to
to aid flushing
suspended
parsediments.
d i s p o s aaction
la c t i o nisi s pars e d i m e n t s .Timing
T i m i n gof
o f disposal
i m p o r t a n tin
i n the
C r e e karea
area
tticularly
i c u l a r l y important
t h e Olallie
0 ' l a l l i e Creek
quality
poor water
of
d u e to
o f Toledo
to existing
existing poor
water quality
T o l e d odue
conditions.
c o n dti i o n s.
4.
4.
Land
L a n dSurface
S u rfa ceUse
U se
Disposal
off d
dredged
materials
occur on
ials should
D
i sp o sa lo
re d gedmater
on
shou' ldoccur
p o ssible land
the
th
e smallest
land area
ar ea in
in order
or der to
to
sma l l e st possible
q u a n t i t yof
minimize
i s disturbed.
disturbed.
m i n i m i z ethe
t h e quantity
o f land
l a n dthat
t h a t is
Clearing
off land
l a n d should
occur in
in stages
stageson
on an
an
C l e a ri n g o
should occur
disposal
b a s i s . Reuse
ass needed
basis.
a
needed
R e u s eof
o f existing
e x i s t i n g disposal
p re fe rrable to
new
of new
sites
si te s is
i s preferrable
to the
the creation
cr eation of
sites
minimize the
land area
ar ea
i n order
o rd e r to minimize
the total
total land
si te s in
covered by
by disposal
disposal material.
material
covered
5.
5.
Revegetati
on
Revegetati
on
Revegetation
of
R e ve g e ta ti o n
disposal sites
sites should
occur as
as
o f disposal
shouldoccur
p ra cticable in
soon
to retard
r etar d wind
so o nas
a s is
i s practicable
in order
or der to
wind
induced
t o restore
r e s t o r e wildlife
habitat
i n d u c e derosion
e r o s i o nand
a n d to
w i l d l i f e habitat
Native
species
should
value
to
the
site.
t
h
e
N
a
t
i
v
e
s
h
o
u
l dbe
be
t
o
s
i
t
e
.
s
p
e
c
i
e
s
value
be made
to the
the Interused
reference should
madeto
used and
and reference
should be
Interpreparedby
the Soil
Agency seeding
Agency
seedingmanual
by the
Soil
manualprepared
Efforts
Conservation
be made
m ade
ts should
shouldbe
C o n se rva ti oService.
nS e rvice. Effor
to mi
minimize
tim e necessary
necessar yto achieve
achieve
n i mi zethe
th e time
leaching
l e a c h i n gof
o f salts
f r o mthe
t h e soils.
soils.
s a l t s from
6.
Toxic
T o x i c Materials
Materials
Materials dredged
dredgedfrom
from the
the Newport
cornmercia'l
Materials
Newportcommercial
boat
basin
and
Depoe
Slough
in
Toledo
b o a t b a s i n a n d D e p o eS l o u g hi n T o l e d owill
will
have
t h a n materials
materials
h a v ehigher
h i g h e r toxic
t o x i c characteristics
c h a r a c t e r i s t i c sthan
parts
river.
removed
from
other
parts
of
the
bay
and
of the bay andriver.
removedfrom other
Sites
t h e s ematerials
m a t e r i a l shave
have
S i t e s which
w i l l contain
w h i c hwill
c o n t a i nthese
been
designed
cy e l l s in
in
b
e e nd
e s i g n e dto
t o include
i n c l u d e secondary
s e c o n d a rcells
quality effluent.
goodquality
order
effluent. The
The
o rd e r to
to achieve
a ch i e vegood
be monitored
m onitor ed
discharge
fro m these
shouldbe
d i sch a rg efrom
these sites
sites should
have
ensure
adequate
cel I structures
to e
n su rethat
th a t a
dequatecell
str uctur es have
pr oper ' ly.
been
constructed
functioningproperly.
and are
ar e functioning
n stru cte dand
b
e e nco
r10
110
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7.
I7.
D i sp o sa l
Upland
U
p l a n dDisposal
be
will be
dredgedmaterials
materials will
In
In some
someinstances
instancesdredged
final
for final
disposal sites
sites for
to upland
u p l a nddisposal
trucked
tru
cke d to
be
shouldbe
cr iter ia should
The
following criteria
d
i sp o sa l . T
h e following
disposal.
design
of and
anddesign
used
the selection
selection of
e va l u a tethe
u
se dto evaluate
d i sp o salsites:
sites:
for
fo
r upland
u p l a n ddisposal
U
--
streams
receiving streams
minimize
the effects
effects on
on receiving
minimizethe
drainageways
or drainageways
-
and
vegetationand
effects on
on vegetation
minimize
th e effects
mi
n i mi zethe
wildlife
wildlife
-
p ro vi d e adequate
sur face
diver sion of
of surface
provide
a d e q uatediversion
water
water
I-
I-
It
8.
8.
primary or
or secondary
secondary
minimize
adverseprimary
minimizeadverse
effects
land
use effects
land use
-
acceseasily accesit is
is easily
locate
wher eit
th e site
si te where
l o ca te the
tru
ck
s
to
sible
to
trucks
si b l e
Land
LandUse
Use
effects
the effects
SectionV,
V, the
As
fu rther in
in Section
d i scu sse dfurther
A s discussed
ust
land use
use m
of
material
must
disposal on
on land
te rial disposal
o f dredged
d re d g e dma
Compr ehensive
the County's
County' sComprehensive
be
b e addresed
a d d re ssein
di n the
to
r e s p o n s i b i l i t yto
c o u n t y ' sresponsibility
t h e county's
i s the
Plan.
P
l a n . It
I t is
p
r
o
h
i
b
i
t
p
o
l
i
c
i
e
s
f
i
l
l
e
d
t
o
accept
land
use
policies
to
prohibit
filled
u
s
e
l
a
n
d
accept
pr
essur
e
intenfor
m
or
e
land
from
creating
pressure
for
more
intenfro
m
cre
a
ti
ng
land
county's
i n the
t h e county's
t h o s eoutlined
o u t l i n e d in
t h a n those
u s e sthan
ssive
i v e uses
further
This
issue
will
be
p
l a n and
p
o
l
i
c
i
e
s
.
b
e further
w
i
l
l
i
s
s
u
e
T
h
i
s
plan
policies.
and
in
discussion
addressed
in
the
implementation
discussion
in
im
plementation
th
e
a d d re sse di n
ISection
S e cti o nV.
V.
9.
9.
I
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10.
10.
p l a c e dat
a t aa
Influent
discharge
p o i n t s will
b e placed
w i l l be
i s c h a r g epoints
Influent d
points
to
sufficient
distance
from
outfall
points
to
outfall
fr
om
d
i
sta
nce
su ffi ci e n t
maximize
settl ing.
m
a x i m i zsettling.
e
r vill
quality standards
standar dswill
Federal
and
water quality
sta te water
n d state
F
e d e ra la
disposal
d
i
s
posal
p
h
a
s
e
s
t
h
e
o
f
be
considered
during
all
phases
of
the
a
1
l
d
u
r
i
n
g
be considere
activity.
a cti vi ty.
ii:
111
ill
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Section
SectionV
Implementation
lmplementation
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SECTION
ISECTION
VV IMPLEMENTATION
IMPLEMENTATION
T
hee
co n o my
th e Y
o
a q u i naBay
The
economy
off the
Yaquina
Bay and
and River
dependent upon
River region
r egion is
is dependent
upon
ccontinuing
o n ti n u i n gnavigational
n a vi g a ti o n a luse
u se of
the waterway.
of the
water way. In
In order
or der for
for navigation
navigation
tto
o ccontinue,
o n ti n u e , dredging
d re d g i n gmust
mu stoccur
occurto
to maintain
maintainthe
the necessary
necessarchannel
ychannel
depths.
d e p t h s . In
I n turn,
t u r n , the
t h e ability
a b i l i t y to
d r e d g eis
t o dredge
d e p e n d e nupon
i s dependent
utp o nthe
t h e availaavailaa d e q u a t sites
es i t e s for
bility
off adequate
bility o
f o r the
t h e disposal
d i s p o s a lof
o f dredged
d r e d g e materials.
dm a t e r i a l s .
Y a q u i n aBay
A l o n gYaquina
B a yand
R i v e r the
Along
a n d River
t h e supply
s u p p l yof
d i s p o s a lsites
o f land
l a n d disposal
s i t e s which
which
m e etthe
n e ce ssa ryenvironmental
meet
and
th e necessary
e n vi ronm enta'
and
l engineering
engineer ingcriteria
cr iter ia is
is limited,
lim ited ,
a n d those
th o se that
th a t are
a re acceptable
and
must
a cce ptablem
ust be
consider edas
r esour c e,
be considered
as aa scarce
scar ceresource,
w
o r t h yof
p
u
b
l
i
c
c a r e f u l allocation
a l l o c a t i o n in
worthy
maximize
the
public
benefit.
o f careful
i n order
o r d e r to
to m
aximize
the
benefit.
D u eto
to the
pr ogr ammust
th e scarce
sca rcenature
n a tu re of
Due
of these
these sites,
sites, aa program
be evolved
evolved
mustbe
i n su re that
th e sites
to
t o insure
th a t the
si te s are
ar e reserved
for disposal
r eser vedfor
disposal use
use and
and are
ar e
a v a i l a b l efor
available
f o r disposal
d i s p o s a lwhen
w h e nneeded.
needed. P
r e p a r a t i o nof
Preparation
o f aa workable
workable
p
iimplementation
m p le me n ta ti oprogram
n ro g ra mrequires
questions:
re quir es answering
two
answer ing
majorquestions:
twomajor
l.
pr oposed
Planning Options:
t i o n s : How
sites
Howshould
shouldthe
the proposed
be
sites be
designated in
i n the
t h e comprehensive
a n d zoning
c o m p r e h e n s ' plan
ipvl ea n and
zoning
ordinance?
o rdi n a n ce ?
2.
Site
S i t e Use
U s eOptions:
, . O p t i o n slWhat
:, l h a tkind
k i n d of
for
o f arrangements
amangem ents
for site
site
p u b jl c agencies
use
be miide
made between
u s eshould
ahbuTdlE
the applicable
betweenthe
a p p l i c a b l epublic
agencies
private property
propertyowner?
and
a
n d the
the private
owner?
Ii.
2.
questionsare
A variety
v a ri e ty of
A
o f answers
a n sw e rsto
to these
these questions
discussedbelow.
ar e discussed
below.
IPlanning
P l a n n i n gOptions
Options
P
Placing
l a c i n gd
dredged
r e d g e dm
materials
onn a
must
b e viewed
a t e r i a l so
a land
l a n d site
site m
u s tbe
v i e w e das
a s aa shortshorttterm
e r m use
u se of
o f that
th a t land
l a n d resource.
re sour ce. Once
Oncethe
the disposal
disposal action
has been
action has
been
c o m p l e t e and
d
a n dthe
t h e necessary
n e c e s s a rsettling,
ys e t t l i n g , compaction
completed
ann dstabilization
c o m p a c t i oand
stabilization
haso
has
occurred,
c c u m e d nthe
t h e land
l a n d becomes
b e c o m eavailable
asv a i l a b l e for
f o r aa variety
v a r i e t y of
l a n d uses
o f land
uses
depending
d e p e n d i nupon
g p o nthe
t h e specific
a n dlocation.
s p e c i f i c site
c h a r a c t e r i s t i c sand
location.
u
s i t e characteristics
disposa'l
Therefore,
T h e r e f o r e ,although
a l t h o u g haa specific
m a ybe
f o r the
t h e disposal
s p e c i f i c site
s i t e may
b e utilized
u t i l i z e d for
year
per
iod,
dre d g e dmaterials
ma te ri a l s throughout
20 year period, the
disposaluse
of
o f dredged
th ro ughoutaa 20
the disposal
use
permanent
is only temporary
is
temporary and
and the
may be
more permanent
land may
be converted
to aa more
the land
convertedto
Iuse
u s e afte
after
r the
th e disposal
d i sp o sa l has
h as been
beencompleted.
completed.
pri ma ryconcern
pr epar ationof
The
T h e primary
co n ce rnin
i n the
YaquinaBay
of the
the Yaquina
Bayand
andRiver
River
th e preparation
plan has
d r e dg e dmaterial
dredged
ma te ri a l disposal
beenthe
d i sp o sa l plan
has been
the relative
r elative scarcity
of
scar city of
acceptable
acceptable
disposal
d i s p o s a lsites,
R i v e rMile
The
s i t e s , especially
e s p e c i a l l yabove
a b o v eRiver
M i l e 3.0.
3.0. T
he
study
s t u d y team
t e a mbelieves
b e l i e v e sthat
i d e n t i f i e d in
i n Section
S e c t i o nII
I I are
a r e the
t h a t the
t h e sites
s i t e s identified
the
only
o n l y land
l a n d sites
s i t e s adjacent
t o the
a r e able
t o receive
receive
a d j a c e n tto
t h e shoreline
s h o r e l i n ewhich
w h i c hare
a b l e to
per m it agencies.
the
t h e approval
agencies.
ap p ro va lof
o f the
th e applicable
a p p l i cablefederal
feder al and
and state
state permit
h e s e ssites
If
are
made
available
I f tthese
r e not
not m
d i s p o s a lof
dredged
ites a
a d ea
v a i l a b l e for
f o r the
t h e disposal
o f dredged
m a t e r i a l s , other,
materials,
o t h e r , more
b e explored.
exp'lored.
m o r eexpensive,
o p t i o n smust
m u s tbe
e x p e n s i v edisposal
d, i s p o s a loptions
I
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113
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permanentuses
prior to
placeThe loss of
of these
uses prior
to other permanent
to the
the placeThe
these sites
sites to
public
incr easedpublic costs
and
ment
w ouldresult
r esult in
in increased
costs and
m e n tof
o f dredged
d re d g e dmaterials
ma te ri a l s would
p o t e n t i a l l y inhibit
could
n o t only
t h e maintenance
m a i n t e n a n cof
oef the
t h e existing
existing
c o u l d potentially
i n h i b i t not
o n l y the
navigation
routes,
developmentent
of new
new econom
economic ic
enterprises
u te s, but
th e developm
of
enter pr ises
n
a v i g ati o n ro
b u t the
as
a s well.
well.
that the
dredgedmaterial
material
It is
is the reconrmendation
recommendation of
It
of the
the study
study team
teamthat
the dredged
necessar yfor
for future
be
disposal
d i s p o sa l sites
to be
be necessary
futur e use
use should
shouldbe
si te s determined
d e te rmi n e dto
p1an. Since
compr ehensive
Since
reserved
plan.
o ve rl ay zone
in the
the comprehensive
r e s e r ve din
i n aa special
sp e ci a l overlay
zonein
the
disposal
use
that
disposal use
of t.he
the land,
land, we
recorunend
that the
is aa short-term
useof
we recommend
use is
short-term
'l a n d
p l a n land use
the
comprehensive
plan
designationfor
for the
the sites reflect
r eflect the
c o m p r e h e n si ve
u se designation
long-term
industrial
l o n g - t en ndesired
cor nmer cial,
industr ial
su chas
as residential,
r esidential, commercial,
d e si re d use
u se such
pr oper ty owner
of
orr recreational.
th a t action,
the property
owneris
is informed
infor m edof
o
r e c re a ti o n a l . By
B y that
a ction, the
p o 'l i ciesfor
par ticular parcel.
par cel. In
the
t h e county's
In the
the
c o u n ty's long-term
l o n g -te rmpolicies
the particular
for the
disposal site
site
short-term,
that a
i t is
a "dredged
h o w e ve r,it
i s recommended
recomm ended
s h o r t - te rm, however,
"dr edgeddisposal
p l a ce don
essencereserving
r eser ving
overlay
sites, in
in essence
o v e r ' l ayzone"
zo n e " be
b e placed
o n all
all acceptable
acceptablesites,
site
Use of the
those
sites
for
the
ofdredged
materials.
dr edged
the site
r th
mater ials. Use
te s fo
e ddisposal
i sp o sal of
t h o s e si
per m awould
i f it
d i d not
not result
r esult in
in the
the construction
constr uctionof
of permaw
o u ' l dbe
be allowed
a l l o w e dif
i t did
lan. O
Once
nce
nent
c o m p r e h e n s plan.
ip
ve
n e n t facilities
c o n s i s t e n with
tw i t h the
t h e comprehensive
f a c i l i t i e s and
a n dwas
w a sconsistent
q uantity of dredged
the
mater ia' lswas
wascompleted,
com pleted ,
t h e disposal
o f the
dr edgedmaterials
d i sp o sa l of
th e total
to ta l quantity
land would
be available
available
the
would
t h e overlay
zo n ew
b e removed,
removed,and
and the
the land
wouldbe
o ve rl a y zone
o u l dbe
p1an.
for
plan.
f o r the
i n the
the comprehensive
t h e use
d e si g n a te din
com pr ehensive
u se designated
for the
the
r eser vethe
land for
The
a n overlay
zonewould
wouldreserve
the land
T h e adoption
a d o p ti o nof
o f such
su chan
o ver lay zone
disposal
materials,
t h e anticipated
anticipated
d r e d g e dm
i d e n t i f y i n g the
a t e r i a l s , while
w h i l e identifying
d i s p o s a lof
o f dredged
proProperty owners
not be
be proownerswould
wouldnot
long-term
long-term use
of the
the land
land area.
area. Property
use of
to
hibited
from
the
short-term
use of
of the land,
would be
but would
be limited
limited to
land, but
h
i b i t e d fro
m th
e sh
o rt-te rm use
per m anent
Again,
land. Againn
uses
which
commitment
of
the land.
d i d not
n o t create
com m itm ent
of the
u s e s wh
i ch did
cre a te aa permanent
basedon
the limited
limited
on the
this
t y p e of
re se rvesystem
systemis
is suggested
suggestedbased
t h i s type
o f aa reserve
availability
a n dthe
t h e belief
t h a t use
u s e of
o f the
o f acceptable
a c c e p t a b l esites
s i t e s and
b e l i e f that
the
a v a i l a b i l i t y of
public benefit.
for the
benefit.
available
for
mu stbe
b e maximized
ma ximized
the public
a v a i l a b l e sites
si te s must
Site
U s eOptions
S i t e Use
0ptions
A
options
for use
use by
by the
the
ar e available
available for
i mp l e me n ta ti on
options are
A variety
v a r i ety of
o f implementation
necessary
Ports
in order
to acquire
use of
of the
the necessary
Toledoin
order to
acquire use
Ports of Newport
Newportand
and Toledo
be
The
option
f o r each
e a c hsite
s i t e should
s h o u l dbe
disposal
h e specific
h o s e nfor
d i s p o s a lsites.
sites. T
specific o
p t i o n cchosen
pr oper ty
dependent
discussionwith
with the
the property
th e site
co n ditionsodiscussion
d e p e n d e nupon
ut p o nthe
si te conditions,
pages
p o te n ti a l future
following pages
the site.
site. The
Thefollowing
owner
fu tur e use
useof
of the
an d the
th e potential
o w n e rand
available to
to implement
im plement
describe
that are
ar e available
d e s c r i b eaa wide
ra n g eof
o f methods
methodsthat
w i d e range
pr oper ty acquisition,
p1an. T
p r o p o se dplan.
easements,
These
i nclude property
acquisition, easements,
tthe
h e proposed
h e seinclude
pr oper ty exchanges
p
u r c h a seo
r eand other
other repurchase
off d
development
and
rit g hts, property
exchanges
e ve l o p me nrights,
be
may
Any
one
or
a
combination
of
these
options
may
be
these
options
a
of
me
th
o
d
s.
A
n
y
o
r
com
bination
lated
methods.
lated
one
p re fe re n cesof
im plementing
agencies.
used
based
onn the
agencies.
the local
local implementing
ase do
th e preferences
of the
u
s e db
114
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B e f o r ethe
t h e actual
Before
methods
a c t u a l site
s i t e acquisition
a c q u i s i t i o nm
e t h o d are
s r e described,
a
d e s c r j b e d ,it
i t is
is
important
the
i m p o rta n tto
to understand
u n d e rsta n d
the method
methodby
by which
whichsite
site acquisition
acquisitionis
is
funded.
T h estudy
e xplor edaa variety
f u n d e d . The
te a mexplored
var iety of
stu d y team
state and
andfederal
feder al
of state
p r o g r a m to
f u n d i n gprograms
funding
determine
availability
off o
outside
tso d
e t e r m j n ethe
the a
vailability o
u t s i d e funding
funding
p ro g ra mimplementation.
point, no
for
f o r use
i n program
u se in
i mp 'l e mentation.At
At this
this point,
no federal
feder al or
p ro g ra mshave
s t a t e funding
fu n d i n g programs
state
which would
would aid the
h avebeen
beenidentified
identified whjch
the
p l a n implementation.
ast, a
l o c a l agencies
a g e n c i e sin
local
i n plan
i m p l e m e n t a t i o n .IIn
n tthe
past,
acquisition
he p
c q u i s i t ' i o nof
of
d
i s p o s a 'sites
disposal
sl i t e s has
h a sbeen
b e e nthe
t h e financial
r e s p o n s i b i l i t yof
f i n a n c i a l responsibility
t h e indivio f the
indivip o rt d
d
u a l port
pr ivate party
par ty
i stri ct benefiting
b e n e fiting from
dual
district
fr om the
the action
action or the
the private
initiating
i n i t i a t i n g the
d r e d g i n g . This
i s expected
e x p e c t e to
dt o continue.
Although
t h e dredging.
T h i s is
continue. A
lthough
l a n n i n ga
L i n c o l nC
o u n t yw
Lincoln
County
will
planning
and
i l l supply
s u p p l yp
n d implementation
i m p l e m e n t a t i osupport,
snu p p o r t ,they
they
possi bl e
no t expected
a r e not
e xp e cte dto
are
costs
to share
sh a rein
in the
the implementation
im plementation
costs with
with one
one possible
ro p o seddr
exception.
e
x c e p ti o n . If
If a p
proposed
dredged
material
edgedmater
ial disposal
disposa' site
lsite has
futur e
hasfuture
p
o t e n t i a l for
p
u
b
l
i
c
potential
public
use
including
recreation,
shoreline
access
orr
for
u s e i n c l u d i n g r e c r e a t i o n , s h o r e l i n ea c c e s so
p u b l i c benefit,
pur chase
other
o t h er uses
u se sof
county may
may wish
wish to
o f public
b e n efit, then
then the
the county
to purchase
tthe
h e site
a n d convert
s i t e and
c o n v e r tit
i t to
t o that
t h a t designated
d e s i g n a t euse
du s eafter
a f t e r the
t h e disposal
disposal
activities
have
been
completed.
a c t i v i ti e s h a ve b e e nco mpleted.
p a r a g r a p hdefine
IThe
f o l l o w i n g paragraphs
T h efollowing
dse f i n e aa range
r a n g eof
o f acquisition
a c q u i s i t i o nand
a n duse
u s e options
options
a r e available
which
w h i c hare
a v a i l a b l eto
t o the
t h e local
l o c a l implementing
i m p l e m e n t ' iagencies:
nag e n c i e s :
Easements
I Easements
pro p e rty owner
por t district
The
o w n e rand
a n d the
th e port
d' istr ict may
enter into
into an
T h e property
mayenter
an easement
easemen t
p
roper
ty
gr
ants
place
agreement
whereby
the
property
owner
grants
the
right
to
a g r ee me nwt h e re b yth e
owner
the r ight to place
d r e d g e dmaterials
m a t e r i a l son
dredged
o n his/her
h i s / h e r land.
l a n d . The
T h eowner
o w n e rretains
f u i l use
r e t a i n s full
u s e and
and
p
l
ownership
rights
to
the
land,
but
allows
materials
to
be
placed
o w n e r s h i pr i g h t s t o t h e l a n d , b u t a l l o w s m a t e r i a l s t o b e a c e don
on
pro p e rtyunder
the
t h e property
th e conditions
co nditionsoutlined
outlined in
easem ent.When
W hen
u n d e rthe
in the
the easement.
i s completed,
disposal
d i s p o s a lis
f,u l l use
t h e site
s i t e reverts
t o the
t h e owner.
c o m p l e t e dfull
u s e of
o f the
r e v e r t s to
owner.
pr ivate property
pr oper ty owner
th o dis
This
method
mostst applicable
T h i s me
i s mo
a p p l i cable when
whenthe
the private
eithe r
ownereither
p
l
a
c
e
d
d e s i r e s fill
desires
material
fill m
a t e r i a l to
t o be
o n the
t h e land
e n h a n c the
e
b e placed on
l a n d to
t o enhance
t h e sites
sites
p o t e n t i a l , or
p l a c e m e nof
f u t u r e potential,
l e a s t has
n o objection
future
o r at
a t least
h a s no
o b j e c t i o nto
t o the
t h e placement
ot f
the
t h e material.
m a t e r i a l . Because
B e c a u sthe
teh e owner
m a i n t a i n sdirect
d i r e c t use
u s e of
o f the
o w n e rmaintains
t h e site
site
gened
uringa
during
and
n d after
a f t e r disposal,
d i s p o s a ' | ,the
o f acquiring
a c q u i r i n geasements
e a s e m e n is
ti s genet h e cost
c o s t of
rally
r a l l y less
l e ss than
is common
Use of easements
is
th a n many
ma n yother
o th er methods.
methods. Use
easements
com m on
p r a c ti ce among
p o rt districts
practice
a mo n gport
d i stri c ts and
the Port
Por t of Toledo
cur r ently has
has
and the
Toledocurrently
easements
e a s e m e n on
tosn two
t w o of
o f the
t h e sites
s i t e s identified
i d e n t i f i e d in
i n Section
S e c t i o nIII.
I I I . Easement
Easement
a
c q ui si ti o n ma
r eim bur sem ent
acquisition
may yor
may ynot
by
o r ma
n o t be
be accompanied
accompanied
by financial
financial reimbursement
private property
property owner
to
to the
the private
dependingupon
ownerdepending
uponthe
the contract
contract agreement
agreement
p o rt district
reached
r e a c h e dbetween
b e tw e e nthe
th e port
distr ict and
andthe
the owner.
owner .
FeePurchase
r Fee
Purchase
p o r t districts
p u r c h a s i n outright
go u t r i g h t the
The
T
h e port
t h e option
d i s t r i c t s have
h a v ethe
o f purchasing
t h e sites
sites
o p t i o n of
placed. A
on
which
Although
h i c hdredged
d r e d g e dmaterials
m a t e r i a l sare
b eplaced.
l t h o u g hthis
t h i s option
on w
a r e to
t o be
option
entails
e n t a i l s higher
h i g h e r costs
t h a n does
e a s e m e nacquisition,
atc q u i s i t i o n , it
i t has
h a s several
several
c o s t s than
d o e seasement
advantages.
a
d v a n t a g e s .M
not
Many
t h e sites
i d e n t i f j e d in
i n Section
S e c t i o nIII
I I I would
a n yof
o f the
s i t e s identified
w o u l dnot
p e r i o dof
r e c e i v ea
receive
all
l l of
n e c e s s a r disposal
d
y i s p o s a lmaterials
f o r aa period
l0
o f the
t h e necessary
m a t e r i a l sfor
o f 10
e a r s and
p e r m a n e nuse
to
t o 20
2 0 yyears
n o t be
b e available
until
a n d permanent
o f the
t h e site
s i t e would
a v a i l a b l euntil
uts e of
w o u l dnot
ort d
a
f t e r that
after
t h a t time.
I f tthe
t i m e . If
he p
istricts a
b e l i e v e that
port
districts
and
n d the
t h e ccounty
o u n t ybelieve
that
I115
il5
p ro p e rty owner
per iod of
the
will
willing to wait for that period
t h e property
o w n e rw
i l l not
not be
be willing
purchasethe
property and
time, they
time,
may wish
wish to
they may
to purchase
the property
and absorb
absorbthe
the expense
expense
of
o f holding
h o l d i n gthe
land.
t h e land.
pr ogr am ,the
por t districts
pur chase
B y use
By
off a land
u se o
b a n ki n gprogram,
l a n d banking
the port
distr icts could
could purchase
d i s p o sa l sites
disposal
form
si te s in
i n unimproved
u n i mp roved
for m and
and retain
r etain ownership
owner shipuntil
until the
the
por t
d i s p o sa l has
disposal
h a s occurred.
o ccu rre d . After
After settling
settling and
com paction,the
and compaction,
the port
pr oper ty, thus
d i s t ri cts could
pr ivate
co u l d resell
re se l l the
districts
th e property,
thus returning
r etur ning it
the private
it to the
sector.
s e c to r. A
Although
method would
would result
l th o u g hthis
th i s method
r esult in
in increased
incr easedfront-end
fr ont- end
c o s ts, the
pr oper ty could
th e future
fu tu re sale
costs,
sa l e of
o f the
the improved
impr ovedproperty
could result
r esult in
in
g a i n to
por t districts.
public bond
l o n g-te rmfinancial
long-term
fi n a n ci a l gain
the port
to the
distr icts. Use
Useof public
bond
fundso
possible means
a ti o n o
l o c al revolving
r evolving fund
funds
orr cre
creation
off a
would be
a local
fund would
means
be possible
g e n e ra ti n gthe
o f generating
of
n e ce ssar revenue.
yr evenue. Again,
th e necessary
Again, this
this implementation
implementation
m e t h o dcould
co u l d be
b e used
u se din
i n combination
method
decom binationwith
with other
other methods,
m ethods,thus
thus deq u a n ti ty of
c r e a si n gthe
creasing
th e quantity
o f land
land to
to be
be acquired.
acquir ed.
p re vi o u sl y, if
As mentioned
m e n ti o n e d
As
previously,
that
if Lincoln
Lincoln County
deter m ined
that sufficient
Countydetermined
sufficient
p u b li c benefit
gainedfrom
b e n e fi t could
co u l d be
public
b e gained
fr om site
acquisition, the
site acquisition,
the county
county
purchaseselected
could
could purchase
selected disposal
disposal sites
reserve them
future
sites and
and reserve
for future
themfor
p u b l i c use.
public
After
u se . A
th e disposal
d i sposal activities
fte r the
activities were
wer ecompleted,
completed,the
the county
county
wouldmake
necessaryadditional
would
to
makethe
the necessary
improvements
additional improvements
to implement
implementthe
the
p l a n n e dpublic
p u b l i c use
planned
u s eof
o f the
t h e site.
site.
P u rch a seof
Rights
r Purchase
o f Development
D e ve l opm ent
Rights
property ownership
This
that
This implementation
implementationmethod
methodassumes
assumes
that property
carries
ownershipcarries
w i t h it
i t aa certain
with
rights.
ce rta i n amount
a mo u nof
t development
of
developm ent
r ights. These
Theserights
r ights are
ar e
purchasedeither on
transferable and
transferable
and they
they can
can be
be purchased
on aa temporary
temporaryor aa
p e r ma n e nbasis.
chasethe
permanent
bt a si s. If
e por
If th
the
portt distr
district
weree to
to pur
purchase
the develop
develop- ict wer
p i e ce of
pr oper ty, they
ment
be
m e n trights
ri g h ts of
o f aa piece
o f property,
they would,
would, in
in essence,
be
essence,
p o rti o n of
pr oper tyowner's
buying
b
u y i n gaa portion
o f the
th e property
owner ' suse
useof
of the
the land.
land. Although
Although
p e rty o
tthe
h e pro
property
owner
would
retain
full
ownership
of
the
land,
full owner ship the land, the
w n e rw o u l d
the use
use
pur
chase
w o u l dbe
b e restricted
would
activities
spelled
out
in
the
purchase
re stri cte d to
to those
activities
th ose
spe' lledout in the
agreement.
a g r ee me n t.
p u rch a seof
per iod,
Si n ce purchase
o f development
d e ve l o pm ent
r ights can
Since
rights
be for
for aa temporary
can be
tem por ar yperiod,
rt d
tthe
h e po
i stri cts co
port
districts
could
buy
those
rights
until
the
disposal
u l d buy those r ights until the disposal actions
actions
were
completed.
co
mp
l
e
te
d
.
A
t
At
that
rights
were
th a t time
tim e the
the development
developm ent
r ights contract
could
contr act could
pr oper ty
b e cancelled,
c a n ce l l e d , and
a n d full
fu l ] use
the site
be
u se of
of the
site would
wouldrevert
r ever t to
the property
to the
owner.
o w n e r.
e
r Property
Property Exchange
Exchange
p o rt districts
I n some
s o meinstances
i n sta n ce sthe
In
th e port
distr icts may
maywish
to acquire
acquir edisposal
disposal
wishto
pr oper ty with the
th e e
through
exchange
ssites
i t e s th
ro u g hthe
xch a nge
of property
the disposal
disposal site
site owner.
owner.
p o rt w
par cel of land
I n effe
ct, th
In
effect,
the
would
e port
o u l d trade
tr ade title
title to
to a parcel
they
land they
currently
c u r r e n tl y own
fo r title
ti tl e of
disposal site
o w nfor
of the
the disposal
site they
they wish
to acquire.
acquir e.
wish to
por t districts
fe a si b l eif
Thismethod
T h i s me th ois
di s feasible
i f the
distr icts own
the port
ownland
land that
that would
wouldbe
be
d e s i r a b l eto
desirable
t o disposal
d i s p o s a lsite
s i t e owners.
owners.
II
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16
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p ro p o se dsite
Wh e nuse
u se of
o f aa proposed
When
by
means
is implemented
implemented
site is
by m
eansother
other than
than site
pr oper tytaxation
a c q u i si ti o n , the
i ssu e of
acquisition,
th e issue
of property
taxation must
m ustbe
beresolved.
r esolved. If
If
p ri va te l y owned
pr ohibits the
u se of
o f aa privately
use
making
o w n edsite
site prohibits
land owner
the land
ownerfrom
fr om m
akin g
q u e s t i o nremains:
f u l l use
property
u s e of
full
o f the
t h e site,
s i t e , the
t h e question
r e m a i n s : Should
S h o u l dthe
t h e property
o wn e rcarry
ca n y the
ta x burden?
owner
th e tax
b u r den? Lincoln
Lincoln County
Countyshould
shouldexplore
explor ethe
the
p ossi b i l i ty of
o f awarding
a w a rd i ngtax
possibility
on
material
tax deferments
defer m ents
on dredged
dr edged
mater ialdisposal
dispos al
s i t e s until
g e n e r a use.
'ul s e . If
u n t i l the
i s again
sites
t h e site
s i t e is
a g a i navailable
a v a i l a b l efor
f o r general
i t is
I f it
is
p o ssi b l e to
n ot possible
to implement
i mp l e mentsuch
not
deferral,
tax defer
r al o then
such a tax
the Ports
Por ts of
then the
preparedto
Newportand
payments
Newport
and Toledo
Toledo should
should be
be prepared
to negotiate
tax payments
negotiate the
the tax
f o r those
t h o s e sites
for
onn w
which
sites o
h i c huse
i s restricted
r e s t r i c t e d until
u s e is
u n t i l disposal
d i s p o s a lhas
h a s been
been
compl
completed.
eted.
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R e l a ti o n sh i pto
IRelationship
Plan
to Comprehensive
C o mp rehglr sive
Plan
II
fu tu re use
T h e future
The
manyn yof the
u se of
o f ma
disposal sites
sites and
the effect
effect that
the disposal
and the
that
filling w
filling
would
cannot
be
h a v eon
s i t e and
o u l dhave
o n site
a n d adjacent
a d j a c e n tland
l a n d use
c
a
n
n
o
t
b
e
use
e va l u a te duntil
evaluated
a fte r the
the current
u n ti l after
cur r entrevisions
r evisionstotothe
thecounty's
county' scorncom p r e h e n si veland
p l a n have
prehensive
l a n d use
u se plan
completed. The
federal
havebeen
beencompleted.
Thestate
state and
andfederal
jn
par
ticipated
resource
that
participated
in
the
review
of
the
dredged
r e so u rceagencies
a g e n ci e sth a t
the r eview
the dr edged
p l a n expressed
m a te ri a l disposal
material
concern
d i sp o sa l plan
concer nover
the future
futur e land
expr essed
over the
land use
use
p r o p o s e disposal
d i s p o s a lsites.
of
o f the
t h e proposed
The
exact
land
use
designations
T
h
e
e
x
a
c
t
d
e
s
i
g
nations
sites.
land use
that
will
will
i l l be
b e applied
t o those
i l l not
n o t be
k n o w nuntil
u n t i l the
that w
a p p l i e d to
t h o s esites
sites w
b e known
the
p
l
a
n
n
i
n
g
p
ro
g
ra
m
planning program has
h a sbeen
b eencompleted.
completed. The
The agencies
agencjeswill
will be
be afforded
affor de d
p a rti cipate in
pr ogr amand
a
p p o rtu n i ty to
ann o
opportunity
to participate
in that
that program
and to
to review
r eviewthe
the
p r o p o s e comprehensive
d
p r o c e s s(as
(as
p
1
a
n
.
proposed
plan.
Their
input
d u r i n g that
t h a t process
comprehensive
T h e i r i n p u t during
p e r m i treview
p r o c e s s )should
w e l l as
well
a s the
t h e permit
r e v i e wprocess)
s h o u l densure
e n s u r ecompatible
c o m p a t i b l shorees h o r e line
l i n e land
l a n d use
u s edesignations.
designations.
II
II
tI
t
I
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II
I
preparation
s e l e c t i o nof
The
T h eselection
o f dredged
d r e d g e dmaterial
d i s p o s a lsites
m a t e r i a l disposal
s i t e s and
a n dthe
t h e preparation
pr ogr amare
o f the
th e necessary
n e ce ssa ryimplementation
i mp l e mentation
of
program
ar e aa significant
significant work
wor k
planningprogram.
pr ogr am . The
e f fo rt in
i n Lincoln
effort
planning
L i n co l n County's
C o u nty' scomprehensive
com pr ehensive
The
stuaries
Goal
adopted
by the
Oregon
and
d o p te dby
and Developala
the 0r
egonLand
LandConservation
Conser vation
DevelopEstu
a ri e sGo
gover nment
m en tCommission
C o mmi ssi ostates
n te s that 'local
ment
and
sta
and state
state and
and federal
feder al
"local government
p
r o g r a m sincluding
agencies
a g e n c i e sshall
d e v e l o pcomprehensive
s h a 1 l develop
i,n c l u d i n gspecific
c o m p r e h e n s jprograms,
ve
specific
r o c e d u r e ffor
so r d
ssites
ites a
ndp
and
procedures
disposal
and
i s p o s a la
n d stockpiling
s t o c k p i l i n g of
dredged
o f dredged
pl l a n has
m
a t e r i a l s . " When
materials."
When
d r e d g e dmaterial
d i s p o s a 'plan
the
t h e dredged
m a t e r i a l disposal
h a s been
b e e nrerev ' ie w e dand
viewed
and
a n d adopted
a d o p te dby
b y the
the Lincoln
Lincoln County
CountyPlanning
PlanningDepartment
Depar tm ent
and
p o l i c y . As
B o a r dof
Board
o f Commissioners,
C o m m i s s i o n e it
ri st , will
b e c o mcounty
ceo u n t ypolicy.
w i l l become
A s the
the
Pl a n n i n gDepartment
Planning
D e p a rtme ncontinues
co
t ntinueswith
their efforts
r esolve the
with their
effor ts to
to resolve
the
lland
and u
s e iissues
use
are
necessary
order
s s u e s tthat
hat a
re n
e c e s s a r yin
in o
t h e ccounty's
r d e r tto
o revise
r e v i s e the
ounty's
p
' l a n ,the
p l a n will
comprehensive
material
c o m p r e h e n s i plan,
ve
t h e dredged
d r e d g e dm
a t e r j a l disposal
w i 1 ' l become
d i s p o s a lplan
become
p o r t i o n of
p
1an.
integral w
a n integral
an
working
o r k i n gportion
o f the
t h e revised
r e v i s e dcomprehensive
c o m p r e h e n s iplan.
ve
IPlan
P l a n Review
Review
I t is
It
i s recommended
t eh da t Lincoln
w i t h the
r e c o m m e n dthat
L i n c o l n County,
C o u n t y ,in
i n conjunction
c o n j u n c t i o nwith
the
IPorts
Po rts of
T oledoand
o f Newport
N e w p o rtand
a n d Toledo
and the
the Corps
Cor psof Engineers,
the
Engineer s,review
r eviewthe
plan at
pur pose
dredged
d r ed g e dmaterial
year intervals.
The purpose
ma te ri a l disposal
d i sp o s al plan
at 55 year
inter vals. The
o
t h e s ereviews
off these
current
r e v i e w swill
w i l l be
t o examine
c u r r e n t navigational
n a v i g a t i o n arequirelr e q u i r e b e to
examine
pr oposedsites,
per m it requirements
Iments,
m en ts, the
th e condition
co n d i ti o n of
o f the
sites, new
newpermit
the proposed
r equir emen ts
plan has
a
nd the
and
th e extent
e xte n t to
beenimplemented.
to which
w h i chthe
hasbeen
im p' lem ented.Any
Anychanges
the plan
changes
I117
117
p l a n ' s ability
g u i d ethe
which
w h i c hwould
w o u l denhance
e n h a n c the
e
t h e plan's
a b i l i t y to
t o guide
of
t h e disposal
d i s p o s a lof
d r e dg e dmaterials
dredged
re spondto
to changing
ma te ri a l s or
o r respond
changingconditions,
conditions, should
be
shouldbe
prepared
permit review
prepared and
and submitted
submitted to the permit
review agencies
agencies for
for their
their
plan should
rreview
e v ie w and
a n d comment.
co mrn e n t.As
A s necessary,
n ecessar y,revisions
r evisions to
to the
the plan
should
b
bee submitted
for
s u b mi tte dto
to the
th e Board
B o a rdof
of County
CountyCommissioners
Com m issioner
for
s their
appr oval .
their approval.
Site
Si t e Use
U seand
a n d Permit
P e rmi t Review
R e vi ew
Pr
i o r to a
Prior
actual
use
off th
the
for the disposal
disposal of dr
dredged
ctu a l u
se o
e sites for
edged
p o rts and
pr epar e
m a t e ri a l s, the
th e ports
materials,
Cor psof Engineers
a n d the
the Corps
mustprepare
Engineer smust
design
materials
and deter
determine
when and
and how
minewhen
sspecific
p e ci fi c d
e si g n ma
howthe
sites
te ri a l s and
the sites
will
w i l l be
b e utilized.
A t that
t i m e it
i t will
n e c e s s a rto
yt o apply
for
u t i l i z e d . At
t h a t time
w i l l be
b e necessary
a p p l y for
per mits at both
tthe
h e ap
p l i ca b l e S
applicable
Section
and Section
Section 404
404 permits
e cti o n 10
l 0 and
the
both the
per mits, the
ffederal
e d era l and
a n d state
sta te level.
l e ve l . After approval
appr ovalof the
the permits,
the sites
sites
w i l l be
will
b e available
a v a i l a b l e for
f o r use,
t,o any
u s e , subject,
s u b j e c t , however,
h o w e v e rto
a n y conditions
conditions
p
l a ce do
p e rmi t approval.
placed
onn the
th e permit
a p p r oval.
118
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Section
SectionVI
Future
Considerations
FutureConsiderati
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[1
SECTION
VI
F U T U RCONSIDERATIONS
CEON SIDERATIONS
SE
C T ION
V I FUTURE
plan is
Although
A ' l t ho u g hthe
th e dredged
d re d g e dmaterial
ma ter ial disposal
disposal plan
is directed
djr ected towards
towar dsthe
the
e a r s , Lincoln
t
h
e
2g0 yyears,
location
of
disposal
sites
for
only
the
upcoming
l o c a t i o n o f d i s p o s a ls i t e s f o r o n l y
u p c o m i n20
Lincoln
n d the
County
and
and
Toledo
C o un tya
P o rts of
o f Newport
Newpor and
t
To'
ledoshould
should begin
begin to
to look
look
th e Ports
pr oblems .
beyond
of
b e yo n dthat
th a t timeframe
a n dto
futur e problems.
ti me fra meand
to anticipate
anticipate some
som e
of the
the future
y e a r swill
The
T h edisposal
d i s p o s a lactivities
t h enext
n e x t20
2 0years
will
a c t i v i t i e s which
w h i c hwill
w i l l occur
o c c u rwithin
w i t h ' i nthe
o s to
the
use
most
off the
available
disposal
v a i l a b l e near
n e a r shore
land d
i s p o s a lsites
s i t e s along
a l o n g the
the a
s h o r eland
u s em
bay
Some
capacity at both
Toledo
may
b a y and
a n driver.
ri ve r. S
and
o meland
l a n d capacity
both Newport
Newpor and
t
Toledomay
remain
r e m a ' i nsubsequent
t h e river
r i v e r the
t h e available
available
s u b s e q u e nto
t ot that
t h a t time,
t i m e , however,
h o w e v e ralong
a, l o n g the
pipeline
land
will
l a n d sites
sites w
i l l be
b e filled
f i l l e d to
c a p a c i t y . Land
d i s p o s a lby
b y pipeline
t o capacity.
L a n ddisposal
j
e
a
s
t
(
s e c o n donly
e n e r a l l ythe
dredge
generally
d
r e d g eis
only
is g
t h e least expensive
e x p e n s i v edisposal
d i s p o s a loption
o p t ' i o n(second
bay);
to
d r a f t to
t h elower
l o w e rbay);
t o large
l a r g e hopper
h o p p e rdredge
i s limited
l i m i t e d by
b y draft
t o the
d r e d g euse
u s ewhich
w h i c his
u t u r e reliance
a s stockpiling
therefore,
onn o
other
methods
orr
t h e r e f o r e , ffuture
e t h o d ssuch
u c has
s t o c k p i l i n go
relianceo
ther m
bucket
dredging
d i s p o s a will
lw i ' 1 1signifis'ignifib u c k e td
r e d g i n gand
b a r g i n gto
o c e a nfor
f o r disposal
a n dbarging
t o the
t h e ocean
i t should
b e recognized
recognized
i n c r e a s efuture
d i s p o s a lcosts.
s h o u l dbe
ccantly
a n t l y increase
f u t u r e disposal
c o s t s . Thus,
T h u s ,it
plan w
in
although
of
will
c o s t efficient
e f f i c i e n t in
tthat
hat a
l t h o u g himplementation
i m p l e m e n t a t i oo
nf this
t h i s plan
i l l be
b e cost
s i t e s for
f o r current
c u r r e n tneeds
n e e d will
sw i l l
the
t h e short-run,
s h o r t - r u n , use
t h e available
u s e of
o f the
a v a i l a b l esites
i n the
t h e future.
future.
force
f o r c e the
t h e selection
m o r eexpensive
s e l e c t i o nof
o f more
e x p e n s i voptions
eo p t i o n sin
j n i t i a t i o n of
p r o c e s sit
t h a t near
n e a r shore
shore
i t was
h o p e dthat
At
A t the
t h e initiation
t h e study
s t u d y process
w a shoped
o f the
land
disposal
most
material
a t e r i a l to
t o be
be
land d
i s p o s a lsites
f o u n dfor
for m
o s tof
o f the
the m
c o u l d be
s i t e s could
b e found
year s. However,
not the
the case,
case,
2 0 years.
Howeverthis
th'
, is was
wasnot
dredged
d r e d g e dover
n e xt 20
o ve r the
th e next
p a r t i c u ' l a r 1 yfrom
Along
9 . 0 . Along
particularly
M i ' l e33 upriver
t o River
R ' i v e Mile
rM i l e 9.0.
f r o m River
R i v e r Mile
u p r i v e rto
p
o
rti
o
n
p'
lan
d' isposal
that most
mostdisposal
that
that
r ecomm ends
t h a t portion of
th e river,
ri ve r, the
the plan recommends
o f the
for
the ocean
material
dr edgeand
andbarged
bar gedto
to the
oceanfor
m a te ri a l be
b ucketdredge
b e removed
re mo ve by
db y bucket
become
t e c h n j q u e sbecome
Unless
n e wequipment
e q u i p m e nand/or
d i s p o s a ltechniques
disposal.
disposal. U
at n d / o rdisposal
n l e s snew
t h a t method
will
o f that
method
available
will
i n the
f u t u r e , it
i t is
t h a t use
u s e of
t h e future,
i s expected
a v a i l a b l e in
e x p e c t e dthat
m a k e sstockstockcontinue
fdo r fill
f i l l material
i n c r e a s e ddemand
d e m a nfor
m a t e r i a l makes
c o n t i n u eunless
u n l e s san
a n increased
p
i ' l i n g a mo
advanc es
Techni
cal advances
al ter nati ve. Technical
piling
morereeconomically
l y attractive
e co n o m'i cal
attr act' ive alternative.
p r o v i d esome
i n the
the
in
off d
dredging
mechanics
may
s o m eoptions
o p t ' i o n sin
i n the
t h e ffield
ield o
r e d g i n gm
e c h a n i cm
s a yprovide
now
i s now
o p t i o n which
w h i c his
which
ffuture
uture w
n o t currently
c u r r e n t l y available.
a v a i l a b l e . One
O n eoption
h i c hare
a r e not
disposal.
i s in-water
i n - w a t e rdisposal.
being
elsewhere
along
P a c i f i c Coast
u s e de
lsewhere
a l o n g the
t h e Pacific
C o a s tis
b e i n g used
natura'l
Byy tthis
method
materials
b e disposed
o f in
d e e pnatural
d i s p o s e dof
i n deep
his m
e t h o dshoaling
a t e r i a l scan
c a n be
B
s h o a l i n gm
jn- water
Another method
method of
of in-water
holes,
orr used
h o l es, o
cre a te wetlands.
wetlands. Another
u se dto create
p u r p o s eof
i s to
to
disposal
w h i c his
o f which
d i s p o s a lis
i s termed
l a n e dispersal",
d i s p e r s a ' I " the
,t h e purpose
t e r m e duflow
" f l o w lane
' i n the
p l a c e the
be
t h a t it
i t will
w j l l be
place
material
major
f l o w lane
l a n e so
s o that
t h e shoal
a i o r flow
s h o a lm
a t e r i a l in
the m
moved
t h e .ocean.
ocean.
t h e channel
c h a n n einto
li n t o the
m o v e ddownstream
d o w n s t r e aand
amn dout
o u t of
o f the
p r o b i e mof
shoaling
t h e problem
o f shoaling
Although
d r e d g i n gis
i s the
t h e common
ann s w e to
rt o the
A
l t h o u g hdredging
c o m m oanswer
to
be to
to take
take steps
steps to
in
appr oachmay
maybe
i n the
th e bay
b a y and
a n d river,
secondapproach
ri ve r, a second
of
p ro b l e mat
amountof
to control
contr ol the
the amount
control
i ts source,
that is
is to
sour ce, that
c o ntro l the
th e problem
a t its
year s
past 50
50 years
the past
system. Over
Overthe
sediment
th e estuarine
estuar inesystem.
w
s e d i me n which
t h i chenters
e n te rs the
notedwithin
Yaqu' ina
a ma
marked
has been
beennoted
wjthjn Yaquina
d e cre a sein
i n sedimentation
rke ddecrease
se d im entationhas
Bay
which
a n d River
Riverw
i s believed
b e l i e v e dto
b e attributable
a t t r i b u t a b l e to
t o ' iimproved
mproved
B a yand
h i c his
t o be
p r a c t i c e sand
forest
f o r e s t practices
a
as
a n d road
r o a d construction
t e c h n i q u e sas
, s well
w e l l as
c o n s t r u c t i o ntechniques,
is
d e c r e a s ein
si n timber
H o w e v e rit
i,t is
decreases
h a r v e s t i n gin
i n the
t h e watershed.
w a t e r s h e d . However,
t i m b e rharvesting
119
lt9
generally believed
generally
more can
can be
done to
believed that
that more
be done
to control the sediment
sediment
load
th e Yaquina
Y a q u i na
River.
l o a d carried
to the
River . Lincoln
ca rri e d to
Lincoln County
Countymay
wish to
to
m aywish
pr eth e following
fo l l o w i n g erosion
consider
measures
during
c o n si d e rthe
contr ol m
e rosion control
easur es
dur ing the
the prep a r a ti o n of
plan:
paration
plan:
o f the
th e revised
re vi se d comprehensive
compr ehensive
-
ma i n te n a n ce
maintenance
of
o f natural
n a tur al riparian
r ipar ian vegetation
vegetationalong
along
ri ve r a
n d streams
the
and
draining
th e river
stre amsdr
into the
aining into
the river
r iver
-
ma i n te n a n ce
maintenance
of
o f vegetation
ve getationalong
along roadway
r oadwaycuts
cuts and
and
drai
drainageways
nageways
-
p l a ce me non
t stream
ri p ra p placement
riprap
on
erosion
bankswith high
str eambanks
high er
osion
p
o te n tia l
potential
-
cconstruction
o n s t r u c t i o nrestrictions
onn u
unstable
restrictions o
n s t a b l esoils
s o i l s that
that
potential
a re subject
are
su b j e ct to
to high
h i gh erosion
er osionpotential
-
co n ti n u e dinvolvement
i n vo l ve mentin
continued
and
in the
the improvement
im pr ovem ent
and
pr actices
monitoring
mo
n i to ri n gof
o f forest
fo rest practices
-
-
-
-
-
p o l i c i e s relating
I n c l u s i o nof
Inclusion
o f policies
r e l a t i n g to
t o these
t h e s eissues
issueswithin
within the
the CompreCompr eh e n si veP
l a n ma
h a velong-term
l o n g- ter meffects upon
hensive
Plan
mayyhave
upon the
amount of sediment
the amount
sediment
r e a c h e sthe
w h i c hreaches
r i v e r , which
which
t h e river,
c o u l d in
w h i c hcould
i n turn decrease
decreasethe
the future
dredging
d r e d g i n grequirements.
re q u i re me n ts.
120
120
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II
r
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1
U
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Section
Vll Appendix
Appendix and
SectionVII
and
Response
Agency
AgencyResponse
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II
T
I
E xi sti n g Federal
Existing
F e d er alProjects
Pr ojects In
In Yaquina
YaquinaBay
Bay&& River
River
Li
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t
((1)
1)
jetties at
T w ohigh
h i g h tide
ti d e rubblemound
ru.|,0
b b l emound
Two
jetties
entrance.
at the
the Yaquina
Yaquina
entr ance.
00
j
e
tti
e
s
T h ejetties are
a re 1,000 feet
The
feet apart
apar t at
at their
The
their outer
outer ends.
ends. The
e tty is
jetty is
n
o rth jjetty
i s 7,000
north
feet long,
long, and
andthe
7 ,0 0 0feet
the south
southjetty
is
8,600
f e e t long.
long.
8 , 6 0 0feet
LI
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j e tty and
((2)
2 ) An
gr oins on
A n 800-foot
8 0 0 -fo o t spur
sp u r jetty
five groins
and five
on the
the channel
channelside
side
j e tty.
of
o f the
th e south
so u thjetty.
(3)
(3)
( 4 ) AA channel
feet deep
30 feet
deepand
and 300
300 feet
feet wide
from the
channel30
wide from
inner
the inner
(4)
e n d of
o f the
th e entrance
e n tra n cechannel
end
Point,
channelto
to McLean
Mclean
Point, including
including a
.|,200
tu rn i n g basin
b a si n 30
turning
3 0 feet
fe et deep,
900 to
to 1,200 feet
feet wide,
deep, 900
wide, and
and
I , 4 0 0 feet
1,400
f e e t long.
long.
LI
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A n entrance
e n tra n cechannel
ch a n n e 40
l40 feet
An
feet deep
deepand
feet wide.
and400
400feet
wide.
'l B
(5)
(5)
A channel
ch a n n e l18 feet
fe e t deep
d eepand
200 feet
fr om the
A
feet wide
and 200
the end
end
wide from
o f the
t h e 30-foot
3 0 - f o o tchannel
c h a n n eat
l t River
of
a
R i v e rMile
M i l e 2.4
2 . 4 to
t o Yaquina.
Yaquina.
(6)
(6)
A small
b o a t mooring
A
sma l l boat
mo o ri ngbasin
basin at
at Newport
Newporformed
for
t medby
by conconstru cti o n o
struction
off a breakwater
about 2,650
2,650 feet
feet long,
b re a kwaterabout
long, a
sh o re w
ing a
bout4
shore
wing
about
400
and dr
dredging
0 0 feet long,
edg' ingwithin
long, and
th
e mo
o ri n gbasin
b a si n area
the
mooring
a rea to
to aa depth
depthof
l0 feet.
feet.
of 10
'|50
( 77 ) AA channel
g e n e r a l l y150 feet
f e e t deep
c h a n n e 10
l 0 feet
d e e pand
a n dgenerally
f e e t wide
in
w i d e in
Y a q u i n aRiver
R i ve r and
Yaquina
a n d200
2 00feet
feet wide
widein
in Depot
DepotCreek,
Cr eek,extenextend i n g from
fro m the
th e town
ding
Yaquinato
to Toledo.
to w nof
of Yaquina
Toledo.
.|50
(8) A
I(8)
l 0 feet
A channel
ch a n n e l10
fe e t deep
feet
in Yaquina
d eepand
and 150 feet
wide in
Yaquina
. | 4 , wide
R i v e r from
River
f r o m Depot
D e p o tCreek
C r e e kto
t o Mile
M i l e 14, including
i n c l u d i n gaa turning
turning
b a s i n 10
l 0 feet
f e e t deep,
basin
d e e p ,350
f e e t wide,
3 5 0feet
w i d e ,and
5 0 0feet
a n d500
f e e t 'long.
long.
T
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Participat'ion
Federal and
and State
State Agency
Agency Participation
Federal
Pr ocess
PlanProcess
Disposal
in
Dredged
Material
Disposal
Plan
Mater
ial
i n D re d g e d
t h e -planning
planning
p a r t i c i p a t e din
- i nthe
a g e n c i e sparticipated
s t a t e agencies
f e d e r a l and
a n d state
o l l o w i n g federal
T h e ffollowing
IThe
Plan.
DisposalPlan.
Materials
Mater ialsDisposal
Dr edged
BayDredged
Y a q uinaBay
p
r o c e s sto d
th e Yaquina
process
develop
6 ve l o pthe
cr ite r i a,
evaluation
criteria,
evaluation
site
of
seiection
Agency
representatives
assisted
witn
with
selection
of
site
i i g "n c yre p re se n ta ti ve sa ssi sted
gener
a'
l
disposal
general
disposal
suggested
and
sites
p
ro
p
o
se
d
disposalsites and suggested
l p e ci fi c proposed disposal
ireviewed
6 v i e i r e aspecific
articipation
participation
their p
dsi s c u s s j n gtheir
a g e n c ' i ediscussing
t h e agencies
f r o m each
e a c hof
' o fthe
g
u i d e l i n e s . Letters
L e t t e h sfrom
guidelines.
plan
follow:
g en e ra lsupport
o f the
th e plan follow:
and
su p p o rtof
a
n d general
Agencies
Federal
FederalAgencies
Distr ict
P or tlandDistrict
E n g i n e e rs,Portland
Corps
o f Engineers,
C o rp sof
ArmY
the Army
Department
of the
Departmentof
RegionXX
Agency,Region
U.S.
Pl rotectionAgency,
E n vi ro n me n taProtection
U.S . Environmental
'
Ser vice
F i sh e ries Service
National
Marine
ri n eFisheries
N
a ti o n a l Ma
Adm inistr ation
A tmospher ic
National
Administration
0 ce a n i c&& Atmospheric
Na ti o n a l Oceanic
Cormerce
Department of
of Comerce
States Department
United States
IUnited
Service
l , { i l d l i f e Service
Fish
a n d Wildlife
F i s h and
Interior
the Interior
States Department
of
of the
Department
United States
IUnited
Agencies
State
SLateAgencies
L a n ds
off State
S ta te Lands
IDivision
Di vi si o n o
t' lildlife
a n dWildlife
F i sh and
Department
otf Fish
De p a rtme nof
Development
and Development
Conservationand
LandConservation
of
of Land
IDepartment
Department
EnvirdnmentalQuality
Department of Environmental
Quali ty
Department
II
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D E P A R T M E N T OF
H E AARMY
OF T
RMY
DEPARTMENT
THE
PORTLAND
D I S T R I C T . CORPS
C O R P S OF
O F ENGINEERS
ENGINEERS
PORTLAND
DISTRICT.
P . o0.
. BBOX
O X 2946
29,16
P.
P O R T L A N D , OREGON
O R E G O N97208
97208
PORTLAND,
NPPND-WM
NPPND-WM
15 September
September 1977
L977
15
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Ms. Nancy
Nancy Tuor
Wiloey
Wilsey & Ham
Ham
gn Harrison,
222 SW
Suite 4
222
Harrison, Suite
Portland, OR
OR 97201
Portland,
9720I
Dear
Tuor:
Dear Ms. Tuor:
Portland
Portland District
District has
has reviewed
reviewed the
the dredge materiat
material disposal
disposal plan
plan your
your
firm
the Port
for the
Port of
firm prepared
prepared for
of Newport.
plan was
Newport. A copy
copy of
of the
the plan
was transmitted
transmitted
tto
o tthis
h i s office
office b
y letter
L e t t e r dated
d a r e d 19
1 9 August
by
A u g u s r 1977.
L977.
you are aware,
As you
anare, the
the Portland
participated in
participated
Portland District
District
your firm's
in your
firm's
efforts
leading
preparation
to
the
of
plan.
the final
final disposal
efforts leading to the preparation of the
disposal plan.
Members
Members
of
the Navigation
staffs of
of the
the Portland
of the
Navigation and Environmental
Environmental Resources staffs
Portland
District
the Navigation
District attended
attended meetings
meetings and a member
member of
of the
Navigation Division
Division
participated
staff
in an on-site
on-site review
staff participated in
review by many
many Federal
Federal and State
state
agencies
proposed disposal
for the
the proposed
agencies for
disposal sites.
sites.
recent years
In recent
disposaL of
material for
of dredge material
In
years disposal
for maintenance of
of the
the Yaquina
Yaquina
River
Project has become
become a serious
problem, and
serious problem,
and the
the study
study is
River Project
is both
both timely
timely
and wil-lof direct
direct benefit
benefit to
and
will be of
to this
this office.
office.
approve of
We
tr{eapprove
of the
the sites
sites
set forth
pLan and look
forth in
in the
the plan
look forward
forward to
to their
their utilization
as set
during
util-ization
during
future maintenance
maintenance projects.
projects.
future
yaquina
The Ports
Ports of
of Toledo
project sponsors
Tol"edo and
The
and Newport
Newport as
as project
sponsors for
the Yaquina
for the
River Project
Project wiLl
required to
secure the
River
will be required
to secure
the rights-of-way
rights-of-way for
the
for the
sites when
sites
when they
they are
are needed
needed for
for use by the
of Engineers
Engineers maintenance
the Corps of
a
ctivities.
activities.
IIt
t iis
s a
orts w
n t i c i p a t e d tthat
h a t tthese
hese p
egin a
anticipated
ports
will
begin
acquisition
ill b
cquisition
of some
some of
of the
the sites
of
sites in
the near
plan to
in the
near future.
future.
coordinate directly
trle plan
to coordinate
directly
We
with the
Ports of
the Ports
of Toledo
Toledo and
during the
the winter
months in
with
and Newport
Newport during
winter months
in an
an
attempt to
select those
to select
those sites
sites which
feel should have an early
attempt
which we
we feel
early
priority
for their
their acquisition
program.
priority
for
acquisition program.
T h e report
report w
i l l - obviously
o b v i o u s l y aid
a i d Federal,
F e d e r a l , State,
a n d local
l o c a l interests
The
will
s t a t e , and
i n t e r e s t s in
in
permit applications
reviewing permit
applications for
for use of
of those
those sites
sites that
reviewing
that are
included
are included
I
1977
SePternber 1977
15 September
NPPND.I{M
NPPND-WM
Nancy Tuor
Ms. Nancy
eliminate
not eliminate
does not
pLan in
in itself
itself
However, the
does
plan.
the plan
Ilowever,
disposal plan.
the disposal
in
in the
404
Section 404
l0 and Section
Section 10
for processing
the requirerEnts
any of
requirements for
processing of
of Section
of the
of Engineers.
permits through
the Corps
Engineers.
through the
Corps of
permits
Portland District
District appreciates
appreciates the
the efforts
efforts provided
provided in
in compLetion
completion of
of this
this
Portland
planning
presentLy involved
in planning
invoLved in
the unknowns
It
many of
unknowns presently
renpves many
of the
It removes
report.
report.
perform mainmainus to
to perform
wiLl allow
alLow us
mat,erial and
and will
for the
the disposal
disposal of
of dredge material
for
efficient
in a timely
timeLy and
and efficient
tenance in
manner.
tenance
yours,
Sincerely
Sincerely yours,
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Redacted for Privacy
I
L. KENOLD, JR.
HARVEYL.
HARVEY
of Engineers
Colonel,
Corps of
CoLone1, Corps
Engineer
District
Engineer
District
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Ri35J,y
D
SEP20 1977
WfLSEY
ftfc.
HAM,
WILSEY
&&HAM,
tttC.
II.
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AGENCY
U.S.
E N V I R O N M E N T A T PROTECTION
P R O T E C T I O N AGENCY
U . S . ENVIRONMENTAL
IREGION
X
REGION X
a'"xh'
iSEATTLE,
LI
s"*H\o
1200
I 2 O O SIXTH
AVENUE
S I X T H AVENUE
98IOT
M A S H I N G T O N 98101
S E A T T L E , \WASHINGTON
PRcø0
Mai1 stop
Stop 521
521
li{SJgIMail
$[il, 1 $ tgll
Ms. NancyR. Tuor
Wilsey
t,lilseyand
a'd Ham
Ham
222
222 S.W.
S.|r'|.Harrison
Harrison
Suite 4
Suite
4
Portland, Oregon
Portland,
0regon 97201
97201
D
Ri$TJ#f
1IEOV1E [j
L_)
SEP 161977
ll.lC.
WILSEY
&& HAM,
HAM,INt.
WILSEY
Dear
DearMs.
Ms.Tuor:
Tuor:
pr ovideour
your request
for mal
our formal
This
T h i s letter
l e tte r is
re sp onseto
r equestthat
that II provide
i s in
i n response
to your
River Dredged
Material
review
and comments
on
Material
review and
YaquinaBay
Bayand
andRiver
Dredged
on the
comments
the Yaquina
we
addition
we
Disposal
D i sp o sa Plan.
lP l a n . In
minor editorial
suggestions
In a
d d ition to the
editor ial suggestions
the minor
pr ovided.
h o n e ,the
ar e provided.
Idiscussed
byy p
phone,
are
d i scu sse db
following comments
comm ents
th e following
pipeline dredged
mater i al
dr edged
lWe
r r |e
are
still
about
dischar geof
of pipeline
material
a
re sti
l l concerned
co n ce rn e d
aboutthe
the discharge
p e r h a p 15.
s1 5 . T
are
These
a r e a sare
into
i n t o disposal
13,
h e s eareas
d i s p o s a lsites
1 4 and
a n dperhaps
s i t e s 9,
9 , 11,
1 1 , 12,
12,1
3 n 14
for settling
sett' ling
small
would
s m a l l in
i n size
si ze and
ver y short
shor t retention
r etention times
tim es for
andw
o u l dhave
havevery
p a rti cu l a te s. Discharging
hydraulic
dredged
material
into these
the s e
o ut particulates.
ial into
out
aulic dr
edgedmater
D i sc har ginghydr
n d loss
l o s s ooff
will
unacceptable
and
ssites
ites w
i l l likely
levels a
l i k e l y cause
teu r b i d i t y levels
c a u s eu
n a c c e p t a b lturbidity
we can
s ettl e a b l e solids
c an
settleable
r eceivingwaters.
water s. Unfortunately,
Unfor tunatelyowe
so l i d s to
to adjacent
a djacentreceiving
pr ocedur ethat
significantly enhance
not
would significantly
n ot suggest
su g g e stany
a n y operational
o p e ra tional procedure
that would
enhanc e
e rreduced
educedto
to
the
settling
capacity
unless dr
dredge
are
r ates ar
t he se
ttl i n g ca
edgedischarge
dischar gerates
p a ci ty unless
ar
e
cos
tl y
Use
of
chemical
coagulants
may
these
are
costly
low
l ow levels.
may
help,
but
these
l e ve l s. U
seo f ch em icalcoagulants
pr
oblem
.
a nd sti
Iand
still
may
not
solve
the
problem.
l l ma yn o t so l ve the
generally
g u i d e ' l i n e sin
I V was
w a sgenerally
The
i n Section
S e c t i o nIV
T h ediscussion
d i s c u s s i o nof
o f disposal
d i s p o s a lguidelines
i te
a de q u a te . T
of
disposal ssite
adequate.
The
advance
specifications
on
the
location
of
disposal
the
h e a d va n cespecifications on
location
par
ticular
ly
However,
no
points
However
n
'
o
o utfa l l s and
outfalls
discharge
points
was
particularly
useful.
was
useful.
a n d d i sch a rg e
g ui d a n cewas
pondinfluent
p re se n te don
pr oper location
infl uent
disposalpond
guidance
location of
of the
the disposal
w a spresented
on proper
pr
oximity
an
discharge.
d isch a rg e . A
Ann influent
in close
to an
located in
close proximity to
i n fl u e n t discharge
dischar gelocated
thr
ough
outfall
structure
will
allow
dredgedmaterial
to
short
circuit
through
o utfa l l stru ctu re w i l l allow dr edgedmater ial to shor t cir cuit
o
f
d
r
e
dged
leo s s of dredged
tthe
h e disposal
d i s p o s a lsite.
r e s u l t in
i n an
a n unacceptable
u n a c c e p t a b lloss
s i t e . This
T h i s can
c a n result
Thus,
influent
discharges
m a te ri a l to
water ways. Thus, influent disc har ges
material
andwaterways.
to adjacent
a d j a ce n ttidelands
ti delandsand
gr eatest opportunity
s ho u l dbe
mater i al
b e located
for dredged
dr edgedmaterial
should
l o ca te d to allow
a l low the
oppor tunityfor
the greatest
to settle
settle out before
structure.
water flows
flows over
over the
the outfall
outfall structure.
before the
return water
the return
t1
-2-2-
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Notwithstanding
Notwithstanding
the
concerns mentioned
mentioned above,
above, we
we fully
fully support
support the
the
the concerns
planning
It represents
represents
It
planning process
process used
in the
the development
development of
of this plan.
plan
usedin
plan
an excellent
excellentexample
an
of
maintenance dredging
example
of how
howaa long
long term
dredgingplan
termmaintenance
can be
can
be developed.
developed.Coordination
with our
our Agency
Agency allowed
allowed us
us to
to review
review
Coordination
wit}r
provideearly
proposed
andprovide
disposal
and
coments on
disposal
early comnents
onthe
acceptabilityof
of proposed
theacceptability
sites.
sites. Although
Althoughwe
against
use of
wehave
recommended
of the
the smaller
smaller
haverecommended
againstthe
the ruS€
pipelinedredging
sites for
for pipeline
barges
sites
into
disposal,clamshell
dredging
into barges
dredgingdisposal,
clamshelldredging
to the
the
could be
alternative.
could
be an
an acceptable
}le have
no objection
objectionto
acceptable
alternative. We
haveno
plan.
other
disposalsites
other disposal
sites identified
identified in
in the
the plan.
The future
future success
success of
of this
plan, however,
however, will
will depend
depend on
on whether
whether the
the
The
this plan,
proposed
proposed sites
material
for dredged
materialdisposal.
disposal.
sites can
be acquired
acquiredand
andused
usedfor
dredged
canbe
If placement
is restricted
If
placement of
of dredged
dredged material
material over
over the
next 15-20
years is
restricted
the next
15-20years
review
to the
to
acceptable sites
sites identified
identified in
plan, our
our permit
permit review
the acceptable
in the
the plan,
processwill
greatlyexpedited.
process
will be
be greatly
expedited.
S
incerely,
Sincerely,
Redacted for Privacy
R o n a l dA
Ronald
A.. Lee,
L e e , Chief
Chief
Permits Section
Ocean Disposal
Section
0cean
Disposal && Construction
ConstructionPermits
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COMMERGE
OF COMMERCE
UNITED
DEPABTMENTOF
STATESDEPARTMENT
UNITEDSTATES
National
andAtmospheric
Atmospheric Administration
Administration
Oceanicand
National Oceanic
FISHERIES
SERVICE
MABINEFISHERIES
NATIONAL
SERVICE
NATIONALMARINE
Environmental && Technical
Division(NW5)
Technical- Services
Services Division(FNW5)
Environmental
Portland, Oregon
Box 4332,
Oregon 97208
97208
P.O. Box
4332, Portland,
I
El
S e p t e m b e r13,
1 3 , 11977
977
September
Nancy
Nancy Tuor,
Tuor, Project
Project Manager
Manager
Wilsey
& IIam
Wilsey &
Ham
Suite 44
222 S.W.
S.W. Harrison,
Ilarrison, Suite
222
Portland, Oregon
Oregon 97201
9720L
Portland,
disposal
dredged material2-year dredged
Bay 2-year
1977 Yaquina Bay
JuLy 1977
We
material disposal
We support
support the
the July
part
land and water-use
plan as an integral
the land
plan
part of
of the
water-use planning
planning process
process
integral
your firm
firm
with
participated
We
with your
We have participated
for the
Bay estuary.
estuary.
for
the Yaquina Bay
of
inspection of
on-site inspection
the on-site
planning process
process including
incl-uding the
throughout
throughout the
the planning
process willplanning process
this planning
We feel
will
We
feel certain
certain this
sites involved.
invol-ved.
the sites
the
receive
same wide
wide use as
as has
has Lincoln
Lincoln Countyfs
County's previously
previously establ-ished
established
recelve the
the same
ttThe Yaquina Bay
Pl-ant'.
Use Plan".
Water Use
Land and
and Water
Bay Land
national example,
national
example, "The
Plan only
only
Disposal Plan
l4aterial Disposal
Dredged Material
general, the
In
Bay Dredged
In general,
the Yaquina Bay
to avoid
screened
carefully
includes
sites that
screened to
avoid impacts
impacts on
on
incLudes sites
that have been carefully
in
our
discussed
as
Several
sites,
as
discussed
in
our
however,
sites,
Severalfishery
fishery resources.
resourceg.
(enclosed) on the
June 13,
comments (enclosed)
the draft
draft pl-an
plan should
should be
be
13, 1977,
L977I cornnents
Specific
below
under
Other
than
the
concerns
expressed
expressed
below
under
Specific
Other
than
the
reaffirmed.
reaffirmed.
Section
the Section
comments during
to expedite
expedite our
Comments,
will be
be able
able to
our comments
during the
Cornnents, we will
material
dredge
protection
of
In
addition,
protection
of
dredge
material
process.
permit
In
addition,
lO/404 permit process.
10/404
that
concept that
zoning is
sites
by acquiring
or zoning
is a concept
acquiring or
future disposal
disposal by
for future
sit,es for
coastal planning
the coastal
inception of
has been encouraged since
of the
planning
since the
the inception
Lincoln
and Lincoln
We
Ports of
of Toledo and Newport and
process.
the Ports
We encourage the
process.
process.
with this
to proceed with
this process.
County to
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Specifie Comments
Cormnents
Specific
Creation
Wildlife
llabitat Creation
Wildlife
Habitat
refer
approached. Please refer
carefully approached.
be carefully
should be
concept should
Page 18.
18. This
This concept
Page
(ODIXI])
Pacific
North
(ODFW)
to
North
Pacific
to
Donaldson
Dr. Donaldson
from Dr.
to the .oclosed
enclosed letter
letter from
E-ttt"
t
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\ryILSEY
& HAM,
WILSEy
&
HAM, IN
INIC.
Bay
1977 Yaquina
your July
J:uIy 1977
We
Yaquina Bay
review of
of your
We have completed
our detailed
detailed review
completed our
reply supersedes
supersedes
Plan.
This reply
This
l"Iaterial Disposal
Disposal Plan.
River Dredged
Dredged Material
and River
intended to
to comply with
L977, letter
letter intended
our
with your
your very
very short
short
our August 26,
26, 1977,
period.
review period.
review
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SEP15 1977
!fs, Tuor:
Tuor:
Dear Ms.
Li
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D
-ffi
oUT1O,v
/2to-1916
Divlsion
Engl.neer, Major
ldaJor General
General Peel
Peel dated
Division Engineer,
dated May
}fay 25,
25, 1977.
1977.
Page 45,
Page
45. Site
Slte 7.
7. No
No mention
mention is
present recreational
Ls made
made of
of present
recreational- fishing.
fishlng.
Sloping and bank
Sloping
bank stabLlizatLon
stabilization shouLd
should acknowledge
acknowledge this
this inportant
important use.
use.
Please refer
refer to
Please
June 13,
to our
our.June
13, 1977,
L977, comments.
cotrments.
Page 54, Site 10.
Imedlately
adJacent herring
adjacent
herring spawning
spawnlng areas
areas should
should
19. Immediately
be referenced. Construction
Construction of
of berms and bank
bank protection
protection should
shouLd
conslder these
consider
these values.
values.
Please refer
refer to
our June
June 13,
to our
13, 1977,
Lg77, comments.
coqrments.
Page 63,
Page
63. Site
Slte 12.
12. Although
the inmedlate
Although the
immediate use of
of this
site Is
not
this slte
is not
recormended
recommended wLthin
within the
the plan,
plan, lts
its incLusioa
inclusion as
as a numbered
numbered site
site is
ls
questlonable.
questionable.
Please refer
refer to
to our
our June
June 13,
13, 1977,
Lg77, comments.
connents.
Page 66,
Page
66. Site
Site 13.
13.
Same comment
connent as
Same
as Site
SLte 12
12 above.
above.
Page 73,
Site 14.
Page
73. Site
14.
Same comment
Same
comment as Site
12 above.
SLte 12
above.
Page 78,
site 16.
Page
78' Site
16.
avoided.
avoided.
This site
site would
This
would be acceptable
wetlands were
acceptable If
if wetlands
Page
Slte 19.
Page 91,
19. We
91, Site
lrle understand
understand that
flll- on
that only
onJ-y fill
on top
existing
top of
of existing
'rDesign Criteria"
upl-and is
ls intended
intended for
upland
for this
this site.
site.
A statement
statement under
under "Design
Crlteriarf
please
and/or "Site
Preparation'
point.
and/or
would clarify
cl-arify the
the point.
Please refer
"site Preparation"
refer to
to
our
our June 13,
13, 1977,
1977, comments.
cotrments
Page 95,
Page
Site 20.
preparation statement
95, Site
20. The
The site
site preparation
statement should
should Include
include buffer
buffer
or diking
dlking requirements
requirements necessary
protect the
or
necessary to
freshwater marsh.
to protect
the freshwater
marsh.
Pl-ease refer
refer to
to our
Please
our June
June 13,
13, 1977,
L977, comments.
conments.
Thank you
for the
particLpate
the opportunity
opportunity
you for
to
in
to participate
in the
Yaquina Bay land
land
the Yaqulna
planning process.
process.
and water-use
water-use planning
trIe feel
feeL the
We
comments
the above
above specific
comments
specific
are relatively
relatlvely
minor
generaL is
that the
the pl_an
are
minor and that
plan in
Your
in general
one. Your
is a good one.
firnts
successful- technique
technique of
of involving
firm's
successful
lnvolving State
State and Federal
Federal agency
personnel from
from the
p1-anning process
process promotes aa better
the onset
onset In
personnel
in this
thLs planning
better
understanding
understanding amongst
amongst agency
agency personneL
personnel and development
devetopment interests.
interests.
Hopefully,
pLanning techniques
simiJ-ar planning
Hopefully,
similar
techniques can
can be used on other
estuarine
other estuarine
in Oregon.
systems In
Oregon.
Sincerely,
Sincerely,
Redacted for Privacy
DaLe R.
Dale
R. Evans
Evans
Division
Division Chief
Chief
Enclosure
Enclosure
cc:
Ron
Lee, EPA
EPA
Ron Lee,
Yoshinaka, FI,ilS, ES
Mary
ES
llarv Yoshinaka,
Jim Lauman,
Latman, ODFW
ODFI,I
Stan Hamilton,
Ha.nilton, DSL
DSL
Glen Carter,
DEQ
Carter, DEQ
Ted LaRoe,
LaRoe, LCDC
LCDC
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/226-lg16
'6i91
Interior
United States
Department of the
the Interior
StatesDepartment
WILDLIFE SERVICE
FISH AND
AND WILDLIFE
SERVICE
R e f e r e n c e : ES
ES
Reference:
Services
Division
of
f Ecological
E c o l o g i c a l Services
D
ivision o
F i e I d Office
0ffice
Portland
P o r t l a n d Field
Avenue
2 4 t h Avenue
727
N . E . 24th
7 2 7 N.E.
0 r e g o n 97232
P
o r t l a n d , Oregon
Portland,
.
97232
1 , 1977
1977
Sept.
S e p t . 1,
M s . Nancy
N a n c y Tuor
Tuor
Ms.
a n d Ham
Wilsey
W i l s e y and
Ham
2
22 S
. W . Harrison
Harrison
222
S.W.
S
u i t e 44
Suite
P o r t l a n d , Oregon
0 r e g o n 97201
Portland,
97247
M s . Tuor:
Dear
D
e a r Ms.
Tuor:
Material
R i v e r Dredged
D r e d g e d Material
B a y and
a n d River
We
t h e Yaquina
h a v e reviewed
r e v i e w e d the
Y a q u i n a Bay
W e have
and
l e t t e r and
y
o
u
r
1
9
7
7
1
9
A
u
g
u
s
t
Disposal
Plan
as
requested
in
your
August
19,
1977
letter
i
n
Disposal Plan as requested
'
p
l
a
n
d
e
v
e
l
o
p
m
e
n
t.
i
t
s
a
n
d
have
the
following
comments
on
the
plan
and
its
development.
comments on the
have the following
early
p l a n , which
i n v o l v e d early
w h i c h involved
p r o c e s s used
b h i s plan,
The
t o develop
d e v e l o p this
u s e d to
T
h e process
in
r
e
p
r
e
s
e
n
t
a
t
i
v
e s in
S
e
r
v
i
e
e
p
a
r
b
i
c
i
p
a
t
l
o
n
Wildlife
participation by
Service representatives
F i s h and
a n d Wildlife
b y Fish
s
p
e
c
i
f
i
c
i
n
s
p
e
c
b
i
n
g
c
r
i
b
e
r
i
a
,
developing
s i t e selection
s e l e c t i o n criteria, inspecting specific
d e v e l o p i n g spoil
s p o i l site
plan
t h i s plan
o f this
d r a f t s of
e a r l i e r ' drafts
disposal
r e v i e w i n g earlier
a n d reviewing
s i t e s , and
d i s p o s a l sites,
p
r
o
b
l
e
m
o
f
f
u
ture
p o s i t i v e approach
t h e problem of future
t o the
appears
a p p r o a c h to
t o be
a positive
a
p p e a r s to
be a
term
l
o
n
g
t
h
a
t
We
are
pleased
to
see
that
long
term
p
l
e
a
s
e
d
to see
We are
s p o i l disposal.
disposal.
dredge
d
r e d g e spoil
t
h
a
t
w
i
l
l
m
a
n
n
e
r
a
spoil
disposal
haa
been
addressed
in
a
manner
that
will
spoil disposal has been addressed 1n
those
a n d those
a g e n c i e s and
hopefully
to
b o b h resource
r e s o u r c e agencies
t o both
sabisfactory
b e satisfactory
h
o p e f u l l y be
dredging.
f r o m future
f u t u r e dredging.
who
b e n e f i t from
w h o will
w i l l benefit
sites
d i s p o s a l sites
g e n e r a l agreement
s p e c i f i c disposal
w i t h the
t h e specific
We
a g r e e m e n t with
i n general
a r e in
W e are
p
r
o
c
e
d
u
r
e
s
and
d i s p o s a l procedures and
selected
s p o i l disposal
a n d recommended
r e c o m m e n d e dspoil
s e l e c t e d and
plan.
Concerns
and
C o n c e r n s and
priorities
priorities
set
f o r t h in
i n this
t h i s plan.
s e t forth
been
h a v e been
r e p r e s e n t a t i v e s have
b y Service
S e r v i c e representatives
e x p r e s s e d by
rrecommendations
e c o m m e n d a t i o n s expressed
g
e
n
e
r
a
l
l
y
Although
w e generally
plan.
A l t h o u g h we
f i n a l disposal
d i s p o s a l plan.
indicated
t h e final
i n d l c a t e d in
i n the
b e recognized
recognized
s h o u l d be
i t should
agree
s i t e s , it
d i s p o s a l sites,
w i t h designated
d e s i g n a t e d disposal
a
g r e e with
eview
o rreview
equired b
e rrequired
that
Fish
Wildlife
Service
will
be
to
ill b
S
ervice w
i s h and
ildlife
the F
and W
b h a t the
ermit
4 0 4 ppermit
a n dSection
S e c t i o n14014
and
S e c t i o n 101 0and
a n y future
f u t u r ' e Section
c o m m e n t upon
a n d comment
u p o n any
and
d r e d g i n g and
f o r dredging
applications
issued
E n g i n e e r s for
C o r p s of
o f Engineers
b y the
t h e Corps
i s s u e d by
applications
in
participation
However,
in
o u r participation
b e l i e v e our
w e believe
I - l o w e v e r , we
spoil
disposal.
s p o i l disposal.
r e v i e w and
and
o u r review
g r e a t l y facilitate
facilitate
p l a n will
development
our
w i l l greatly
o f this
t h i s plan
d e v e l o p m e n t of
permits.
comment
u p o n such
s u c h permits.
c o r n m e n tupon
Ri,u,5,o,
D
SEP
6 1977
WILSEY&& HAM,
WILSEy
HAM, JNC.
INC.
?14C'
!.,uiLt
I
1k
A
IRECTOR
OFFICE
OF
DIRECTOR
F TTHE
HE D
O
F F I C EO
ROBT
STPAt.IB
FOBttlw w
srRAUE
97208
PORTLAND,
OREGON
1634
PORTLAND,
OREGON
97208
ALDERSTREET,
STREET,
1634S.W.
S.W.ALDER
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HODGES
HODGES
Wildlife
andWildlife
Department
Fishand
Departmentofof Fish
-
TUTTLE
TUTTLE
KCSKI
KCS(I
DO:.,PIER
D0APIER
LINVOS
LINvOG
PRENTE
eqREilTE
y'suetron
b1-ELTON
s:
S:.:!TH
!TH
sa.f:tcTRot
L977 vt*l:fts
Itay 25,
25, 1977
Hay
.v
Cr.e.irill
Peel
E. Peel
Major General
General Wedley
Wesley E.
M,ajor
Pacific Division
Division
Engineer, North
North Pacific
Division
Di.vislon Engineer,
Engineers
Corps of
U.
of Engineers
U. S.
Arrny Corps
S. Army
2870
P . 0.
B o x 2870
P.
O . Box
Portland',
Oregon 97208
Port1and, Oregon
97208
Peel:
Dear General
General Peel:
of
the intenE
Fish and Wilcllife
The Oregon Deparrment
Department of
of Fish
Wildlife agrees
agrees with
with the
intent of
inPortant
areas
wetland
As
is
noted,
wetland
areas
important
is
noted,
Law 94-587.
Publlc Law
94-587.
Section
150, Public
Section 150,
flood control
in
wildlife food
control and
and water
water quality
quality have been
chain, flood
food chain,
in the
the wildllfe
lost.
lost.
of
through disposal
of wetlands
creation of
the creation
Resource agencies
view the
wetlands through
disposal of
agencles vierv
desirabLe
tt is
is desirable
Certainly it
Certainly
feelings.
mixed feelings.
virh mixed
dredged materials
with
naterials
of
water
of water
fiLling
hovrever' filling
habitat;
to increase
increase the
however,
wet,land habitat;
of wetland
amounE of
the amount
to
via
creation
Thus,
believe
that
wetland
creation
via
wetland
tlrat
Titus,
we
beLleve
undeslrable.
is undesirable.
area
area is
trade-offs s
environmenfal trade-off
about environmental
bring about
dredge
placement, would
woulcl bring
dredge spoil
spoil placement
evaluate.
to evaluate.
that
are difficult,
at
at best,
best, to
difficult,
that are
filling
or filLing
diking or
resulted by diking
The rnajorlty
majority of
losses have resulted
marshland losses
of marshland
environmentally
the environmentally
Thus, the
use. Thus,
for agricultural
agricultural or
use.
industrial
or industrial
for
dikes
to open dikes
shouLd be to
expanslon should
preferred
methods for
preferred
for marshland
marsfiland expansion
methods
uplands.
of uplands.
or remove tidegates
and excavation
excavation of
tidegates and
or
the Corps
to work
Department rvould
would welcone
welcome the
opportunity to
work wLth
with the
Corps
tfue opportunity
The DeparEment
Prior
to
Prlor
to
wetlands.
of
for
in
Identifying
potential
sites
for
creation
of
wetlands.
creatlon
potential
sites
ln identlfylng
to
advisable
have
be
potential
would
submitting
a
list
of
potential
sites,
it
would
advisable
to
have
it
sites,
of
l1st.
submitting
of
Section 150
150 of
authority under Section
the Corps'
CorPsr authority
your staff
your
brief us on the
staff brief
PL 94-587.
PL
94-587.
please call.
call.
assistance, please
If
further assistance,
of further
I can be of
If I
Sincerely,
Sincerely'
Ph.D.
DONALDSON,
JOHN
Ph.D.
JOttN R. DONALDSON,
DIRECTOR
DIRECTOR
JRD-JL
: ek
JRD-JL:ek
cc
Department of
Environmental Quality
of Environmental
Department
Quality
Lands
Division
oE State
Scate Lands
Dlvlsion of
Lee
Environmental
Ron Lee
Protection Agency, Ron
EnvironmenEal Protection
I.lalters
K- Walters
Charles K.
National
servlce, Charles
Fisheries Service,
ltarine Fisheries
National Marine
W.
Kincheloe
Jotrn
t'ltl<lllfe
Service,
U.S.
Fish
and
Wildlife
Service,
John
Kincheloe
ffsn
U.S-
L
t
I
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o f Toledo
T o 1 e d oand
and
P o r t s of
a n d the
t h e Ports
C o u n t y and
We
l J e understand
t h a t Lincoln
L i n c o l n County
u n d e r s t a n d that
p r o p o s e d disposal
sites
d i s p o s a l sites
t h e proposed
t o acquire
a c q u i r e the
Newport
will
N
ewport w
i l l soon
s o o n begin
b e g i n to
this
W e encourage
e n c o u r a g e this
We
f u t u r e availability.
avaitability.
t o insure
l n s u r e their
t h e i r future
to
c a n be
be
p r l o r i t y disposal
s i t e s can
d i s p o s a l sites
h i g h priority
approach
a p p r o a c h and
h o p e that
t h a t high
a n d hope
obtained.
obtained.
p a r t i e l p a t e d in
the
i n the
o h a v e participated
Wee aappreciate
p p o r t u n i t y ttohave
p p r e c l a t e tthe
h e oopportunity
U
process
p l a n and
t h i s process
b e l i e v e this
a n d believe
o f this
t h i s plan
development
d
e v e l o p m e n t and
a n d review
r e v l e w of
dredge
r a n g e dredge
n e e d e d long
l o n g range
m u c h needed
d e v e l o p i n g much
w
111 b
e o
f vvalue
a l u e in
i n developing
will
be
of
p l a n s for
estuaries.
O r e g o nestuaries.
o t h e r Oregon
t s p o s a l plans
f o r other
spoil
disposal
spoil d
Sincerely
S i n c e r e 1 y your,
,
7/
Redacted for Privacy
iicheloe
,dhñ)L.I1ñcheloe
u p e rv i s o r
F-ie1d
Supervisor
E}€Id S
cc!
cc:
E
PA
EPA
NMFS
NMFS
ODFt'l
ODFW
DSL
DSL
I
j
Division of
of state
State Lands
Lands
Division
IDEGEIVE
f)EtEOYIE
[ij
,"o*rlllL-.ff8r
eTsloPHONEU-3a1
oREGoN
'ALEM,
1445
STATE
SALEM,
OREGON
97310
srREEr,
144s
srArESTREET,
Septenber 29,
29, 1977
L977
September
STATE
OREGON STATE
OREGON
BOARD
LANDBOARD
LAND
STRAUB
ROBERT W. STRAUB
Oo\r€mor
Governor
PAULUS
NORMA PAULUS
ol State
Stets
Secretary
Socrltary ot
CUY
CLAY MYERS
Trea3urgr
State
State Treasurer
Nancy
Nancy ?uor
Thor
l{ilsey
& Ham
Wilsey &
Ham
Suite 44
Harrison, Suite
222 Southwest
Southwest Harrison,
972OL
Portland, OR
Portland,
OR 97201
877
r 1977
1
[$
1)
INTC.
HAM,INQ.
WILSEY
&&HAM,
WILSEY
l,[s. Tuor:
Tuor:
Dear Ms.
of your
its review
review of
conpLited its
The
of State
has completed
your
State Lands has
Division of
Ttre Division
firm'
report entitled
entitled Yaquina
Yaquina Bay
Bay and
and River
River Dredged
Dredged Material
Material
firm's s report
your clear
you on your
clear
lrle commend
colunend you
July I 1977.
1977 . We
dated July,
Disposal PLan
Plan dated
Disposal
yery
of
users
to
concern
iurportant
a
of
and
concise
handling
of
very
important
concern
to
users
of
handling
ana concise
River.
and River.
Yaquina Bay and
Iaquina
project since
inception;
since its
its inception;
this project
in this
Our agency has been involved
involyed in
recomnenand
general.ly,
with
the
results
and we are
generally, with the results and recoinmensatisfied,
are satisfied,
to "get
opportunity
We
appreciate
to
on
the opportunity
"glet on
we sincerely
appreciate the
sinerely
dations.
dations.
agencies.
resource
you extended
natural resource agencies.
to the
the natural
extended to
board
earLy" that
that, you
board early"
concerned, we
site
clomlents are
Insofar
site comments
are concerned,
we conCur
concur with
with
detailed
InSOfar as detailed
(letter
service
the
of the
National l'liarine
Marine Fisheries
Fisheries Service (letter
the National
staternents of
the statements
dated
the Oregon DePartnent
Department of
of Fish
Fish and
and
1977) and ttre
13, 1977)
September 13,
dated September
to
We
urge
you
to
!{e urge
(letter
I977r.
14, 1977).
Septenber 14,
Wildlife (letter
dated
dated September
vtildlife
in your
them
consider
and incorporate
them in
your
incorporate
carefully
those comments
coments carefully
consider those
plan.
plan.
spoil
dredge and spoil
the dredge
is that
that the
The
point we wish
wish to
make is
to make
najor Point
ttre major
Plan will
Disposal Plan
activities
anticipated
in
Yaquina Bay Disposal
will
in the
the Yaquina
anticipated
activities
pernrits
require fill-removal
permits from
from the
the Division
Division of
of State
State Lands.
Lands
fill-renpval
require
541.695 and the
under ORS
ORS 541.605
541.605 to
to 541.695
the Corps of
of Engineers
Engineers under
under
under
permits will.
will
These
programs.
These permits
404 programs.
Section 404
their
1O and Section
Section 10
ttreir Section
anticiproject has
beenanticiproposed project
has been
be required
the proposed
though the
even though
reguired even
planning
pated in
the comprehensive
planning process
process and approved
approved by
by the
the
paged
in the
corprehensive
prior considyou that
considthat prior
Wedo
lte
do assure
assure you
agencies.
natural resource
resource agencies.
natural
sinrplify
eration and acceptance
acceptance of
of a proposed
proposed project
project will
will greatly
greatly simplify
eration
the permit
and speed
process.
sp,eed up the
Proc€ss.
Permit
pernit
permit
existing
in the
the existing
We do not
not anticipate
any rnodification
modification in
anticipate
lfe
projects
proposed
process
accornnrodate
specifically
to
circulation
process
to
specifically
accommodate
proposed
projects
circulation
plan.
HowHowdisposal
dredge
with
this
that
would
consistent
with
this
dredge
disposal
plan.
wouLd
be
consistent
ttrat
state
state
from
response
faster
mrch
ever,
would
anticipate
a
much
faster
response
from
we
would
anticipate
ever,
and local
local agencies
agencies because
because lrcst
most of
of the
the controversy
controversy surrounding
surrounding
been
consideredalready
of these
considered.
sites has already
these sites
any of
may be
Nevtport may
qnderstand that
Port of
of Newport
the Port
We understand
Lincoln County
Oounty and the
that Lincoln
lfe
plan.
the
Within
the
within
in
the
sites
discussed
acquiring
the sites discussed in the plan.
sorne of
of the
acquiring some
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Nancy
Naney Thor
luor
Page 22
Septrenber
September 29,
29, 1977
L977
constraints suggested
suggested by
by the
the National
National Marine
Marine FLsheries
Fisheries Service
Service
constraLnts
the Oregon Department
of
for
and tlre
Fish and
l{ilcllife
for selected
selected sites,
Depar&nt
and Wildlife
sites,
of Fish
pursrn acquisition
plans.
re
we see no reason
plans.
leason not
to pursue
not to
acquisilion
plan.
!{e appreciate
We
to
appreciate the
the opportunity
opportunity
to comment
comment on
on this
this plan.
Sincerely,
Sincerely,
WI.LLIAIT{S.
WILLIAM
S. COX
COX
Director
Director
Redacted for Privacy
Stanley
F. Hamilton,
P.E.
Stanley F.
Ha$ilton, P.E.
Waterway
Manager
tfatenay
t'lanager
SFH:bf
SFII:bf
C-
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Wldlife
Fishand
andWildlife
Department
Depa#ment ofofFish
OFFICE
OFFICE OF
OF THE
THE DIRECTOR
DIRECTOR
RO8€trw' STRAU8
ryalu
97a)8
MILLSTREET,
PORTI-ANDOREGON
OREGON97208
506 S.W.
S.W. MILL
STREET,PORTLAND
fieptember l-4,
ceptember
14, l9i7
197
lJil-sey & I{am
Wilsey&Ham
Nancy Tuor
Tuor
do
c/o Nancy
222 S. W.
Ilarrison, Suite
Sulte 44
222
W. Harrison,
0regon 97201
97zOL
Port,1-and,
Portland, Oregon
Dear Nancy:
Naney:
E0E{lwt;i t
!:')
LI
Ii
1Q77
sEPl
SEP j. ste,?
.\lllusHr
HAM,
WIJSEY
&&HAM,
INC.
tNC.
The Oregon Department
Department of
of Fish
Fish and Wildlife
Wildlife has cornpLeted
completed review
review of
of
your
July 1977 report,
report, "Yaquina
your July
River Dredged Material
Material Di.sposal
Disposal
"Yaquina Bay and River
pleased to.
quite thorough
to.
were pleased
and were
be quite
thorough and
to be
Plantt.
We found
found the
the document
document to
Plan'. We
company and
in the
the document.
document. Your company
identifled
resource concerns
concerns identified
see nany
many resource
in
for including
inel-uding resource
to be congratulated
congratulated for
the
are to
resource agencies
agencies
the county
county are
and
for identification
identificatlon
during
plan development
allows for
and resol-ution
resolution
during plan
development as this
this al1ows
plan formulation.
during plan
formulation.
of probl-ens
problems during
of
excellent job
feels that
The department
plan does an excellent
job of
of presenting
presenting
that the
the plan
department feels
spoil
for dredge
dredge spoil
environmental,
for
constraints
topographic constraints
engineering and topographic
environmental-, engineering
bridge.
101-bridge.
of the
the 101
Bay upstream
portion of
Yaquina Bay
upstream of
placement
placement within
of Yaquina
within that
that portion
recognjzi.ng
in recognizing
county in
of the
the county
farsightedness of
We are
very encouraged by the
the farsightedness
We
are very
into
plan
which
takes
disposal
the
for
development
of
a
long-range
disposal
plan
which
takes
into
long-range
need
for
development
of
the
those
factors.
consideration those factors.
consideration
anticipate
sites'and
disposal sites
identified
We generally
disposal
and anticipate
generally support
of identified
support the
the use of
We
however have
We
We do
do however
permitting agencies.
agencies.
to permitting
favorable
recornmend.ationsto
favorable recommendations
Cormnents
Comments
sites.
disposal sites.
of certain
eertain disposal
use of
some
about the
the use
some reservation
reservation about
listed
listed
below
in
the
sites
are
eontained
relating
to
the
use
of
specific
sites
are
contained
in
the
below
speeific
of
relating to the
specific
conments.
specific comments.
plan,
the plan,
portions of
of the
to specific
specific portions
relate to
itemized comments
The
conunentsrelate
The following
fol-lowing itemized
paragraph.
page
number
and
comments
are
referenced
by
page
number
and
paragraph.
by
comnents are referenced
1.
1.
utilizing
o f utilizing
s t r a t e g y of
with
i t h the
t h e strategy
p a r a g r a p h 2...
2....W
e e
oncur w
Page
.We
concur
P a g e 3,
3 , paragraph
disposalof
disposal
of
identification
the
identification
in
the
current
methodology in
dredging methodoloBY
current dredging
we
strongly
we
strongly
year
period.
llowever,
However,
period.
20
to 20 year
sites
for the
next 10
10 to
sites for
the next
dredging
plan
new
the
plan
as
new
dredging
recommend
modify the
the county
counLy modify
recommend that
that the
become available.
available.
techniques
techniques become
r
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Wilsey && Ham
Wilsey
Ham
Page
Page 22
2.
2.
paragraph 66 (in-water
(in-water disposal)...
Page 4,
4, paragraph
Page
.State and
dlsposal)....State
federal natural
federal
natural resource
resource agencies
strong concern
concern
agencies have strong
over in-water
in-water disposal
over
materials by
by pipeline
pipeline
disposal of
of dredged materials
dredge.
dredge.
Therefore, this
Therefore,
of spoil
placement
spoil placement
thls alternative
alternative
method of
should only
should
with
only be considered
considered after
after thorough
thorough coordination
coordination with
resource agencies.
resource
of creating
additional
agencies.
The thought
thought of
creating additional
esturine
esturine marshes does in
appear desirable,
desirable, however
in itself
itself
appear
the resultant
the
resultant loss
loss of
of existing
existing tidal
or subtidal
lands must
must
subtidal lands
tidal or
be evaluated.
evaluated.
The Department
Department of
Fish and
The
of Fish
and Wildlife's
Wildlife's
position regarding
within the
position
is
regarding this
i-s contained
the
this activitity
activitity
contained within
attached letter
Major General
General Peal.
Peal.
attached
letter to
to Major
3..
3
paragraph 3.
inconsistency
Page 3,
. . .Thereappears
appears to
to be
be some
some inconsi-stency
Page
3, paragraph
3....There
presented in
regarding soluble
in this
regarding
presented
soluble zinc
zine concentrations
this
concentrations
paragraph to
in Table
paragraph
contained
to the
the information
inforuation
Table 7.
7.
contained in
4.
4.
t
paragraph 5...
Page 15, paragraph
with
Page
.The conclusion
conclusion that
that spoils
spoils placed with
5....The
pipeline
the
the use of
a
pipeline
dredge
must
necessarily
fall
adjacent
of
necessarily fall adjacent to
to
past
the
the river
river is
is based more on past dredging
history rather
rather than
than on
dredging history
pumps
technological
technologieal limitations.
The use of
booster pumps
in-line
booster
limitations.
of in-line
could increase
inerease the
could
sites.
the distance
distance between
between disposal
di-sposal and
and dredging
dredging sites.
5..
5
p a r a g r a p h 5...
( W i l d l i f e Habitat
P
a g e 18,
Page
1 8 , paragraph
5 . . . . (Wildlife
H a b i t a t Creation)
Creation)
Refer to
Refer
to Comment
Comnent#2.
{f2.
I
6..
6
Page 40....
Page
(River Segment
Segment 11 - Summary
Recommendations)
40.... (River
Summary&& Recommendations)
The
The department
department concurs
with the
suggests the
the report
report and suggests
the
concurs with
fol1-owing order
following
order of
for upland
sites
of use for
upland disposal
disposal sites
( 6 r 5 , 3 , , ,1,2,4).
1,214).
(6,5,3,
7..
7
p a r a g r a p h 2...
P a g e 47,
Page
mention
4 7 , paragraph
2 . . . . T.The
h e rreport
e p o r t ffails
a i l s tto
o m
e n t i o n current
c u r r e n t use
use
of
We
of the
the area for
for sport
sport fishing.
fishing.
We recommend
recommend that
that this
this use be
taken
into consideration.
taken into
consideration.
8.
8.
Page
Page 56...
(River Segment
Segment 2 - Summary
Summary &
56.... . (River
& Recommendations)
Recornrnendations)
The department
in
with the
department concurs
concurs with
the recommendations contained
contained in
the
the report.
report.
However, have concern
over the
the use of
of Site
Site 9 due
concern over
its marshy
to
marshy nature
habitat.
We suggest
to its
nature and
existing wildlife
wildlife
habitat.
We
and existing
following order
identified
sites
the
upland
the following
for identified
upland sites
order of
of use for
( l - 0 ,7 , 8 , . )
(10,7,8,.)
9..
9
Page 68....
68.... (River
Page
(River Section
Section 3-Summary
3-Summary & Recommendations)
Recommendations)
presented findings.
Dredge
The department agrees
Dredge
The
with the
findings.
agrees with
the presented
disposal
disposal sites
sites 12 and
esturine march
march and
and 13
13 are esturine
and very
very close
close
prior to
with resource
coordination
coordination would be required
required with
resource agencies
agencies prior
to
placement of
any placement
of dredge
dredge materials.
materials.
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I{ilsey
Wilsey & IIam
Ham
Page
Page 3
10.
10.
Recommendations)
Summary&& Recomrendations)
Page
(River segment
Segment 44 -- Summary
Page 80....
80.... (River
is a
lt is
site 14 as it
The department
of site
a
the use of
discourages the
department discourages
require
L6 would
addition, site
would require very
very
site 16
In.addition,
high marsh.
rnarsh. In
mature high
materials.
placement of
dredged materials.
of dredged
prior to
to placement
close
coordination prior
close coordination
have subpage 78,
does currently
currently have
78, does
on page
Site
explained on
as explained
site 16,
16, as
wildlife
util-ization.
stantial wildlife
stantial
utilization.
page 97...
(RiverSegment
Segment 66 - - Sumrnary
Summary &
& Recormnendations)
Recommendations)
97.... .(River
1-l_. Page
11.
It must
must be clarifl-ed
clarified that
that spoil
spoil placement
placement at
at site
site l-9
19 is
is
It
uplands.
existing uplands.
of existing
limited to
to coverage of
lirnited
L2.
12.
Recoumendations)
Surnmary&& Recommendations)
Segment77 - Summary
Page 108....
108.... (River
Page
(River Segment
pl-acement of
of
to placement
lirnited to
Approval
site 23 would be limited
of site
Approval of
existing uplands.
uPlands.
spoils
spoils on existing
the project
In
conclusion, the
Department of
of Fish
Fish and llildlife
Wildlife believes
believes the
project
the Department
In conclusion,
can
Ports can
l-ocal Ports
and local
County and
the County
that the
plan
plan to
workable document
document that
to be a workable
ten to
to
next ten
the next
during the
disposal during
utilize
in
material disposal
with dredge material
in coping
eoping with
utilize
identified
sites
the
disposal
We
that
the
disposal
sites
identified
years.
that
emphasize
tr'Ie
must
twenty years.
twenty
consideratioa,
thorough consideration,
and thorough
given very
careful and
plan have been
very careful
been given
within
within the
the plan
engineerdeemed
locations
extent
of
upland
the
and that
they
represent
the
extent
of
upland
locations
deemed
engineerthat they represent
materials.
placement
dredged
of
for
ingly
and
environmentally
acceptable
for
placement
of
dredged
materials.
acceptable
ingl-y
environmental-l-y
judiciously
to
Thus,
valuable resource
which must be managed
managed judiciously
to
resource which
they are
are a valuable
Thus, they
high
future
for
sites
disposal
insure
the
availability
of
upland
disposal
sites
for
future
high
upland
of
insure the availability
projects.
p
riority
d r e d g i n g projects.
priority
dredging
If we
we may
may be
be of
of addition
addition service
service or
or further
further explain
explain or
or comrnents
comments please
please
If
call.
call.
Sincerelq,\
SincerelX,"\
!:
Redacted for Privacy
Ph.D.
DONALDSON,
JOHN
Ph.D.
R. DONALDSON,
JOHNR.
)llre c to r
-,Director
JRD:JEL:mw
JRD:JEL:nw
Attach:
Attach:
cc:
cc:
Charles K.
National Marine
Marine Fisheries
Fisheries Service,
Mr. Charles
K. Walters
Walters
Servi-ce, lulr.
National
Kincheloe
John W.
W. Kincheloe
Service, Mr. John
U. S.
Fish && Wildlife
Wildlife Service,
S. Fish
Environmental Quality
Department of
of Environmental
Department
Quality
Lands
Division of
Division
of State
State Lands
Ron Lee
Environmental
Protection Agency,
Agency, llr.
Mr. Ron
Environmental Proteetion
Engineers
Corps of
of Engineers
t
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Departmentof
LandConservation
of Land
Conservation
andDevelopment
Development
Department
and
toactt w.3ft^u!
1175
(503)378-4926
PHONE(503)
378-4926
1175 COURT
COURT STREET
STREET N.E.,
N.E.,SALEM,
SALEM,OREGON
OREGON97310
97310 PHONE
ffi
September 14,
L4, 1977
L977
September
RigTJ,Y
D
jjJ y
M s . Nancy
N a n c y Tuor,
P r o j e c t Manager
T u o r , Project
Ms.
Manager
Wilsey &
& Ham
Ham
Wilsey
2 2 2 S.W.
S . W . Morrison,
M o r r i s o n , Suite
S u i t e 44
P
o
r
t
l
a
n
d
,
O
r
e
g
o
n
Portland,
Oregon
9
7zCI
97201
222
SEP 16 1977
WILSEY& HAM,INIC.
WILSEY&HAM,INt.
D e a r Nancy:
Naniy:
IDear
This
letter
is in
in response
response to
for our
review of
to your
our review
This letter
is
your request
request for
of
the
River Dredged
Plan.
Dredged Material
Material
Disposal Plan.
the Yaquina
Yaquina Bay and River
Disposal
As
part
you
of
request
points
that
asked
four
addressed.
be
that four points be addressed.
part of that request
asked that
We
done so
so to
to the
included
the extent
We have
have done
extent applicable
applicable and
and have
have included
related
your
comments
for
and
Lincoln Countys'
related comments for your and Lincoln
Countys' consideration.
consideration.
l.
1.
The Department's
participation
Department's
has occurred
occurred through
through the
the
participation
has
Field
Representative
Interest
for Lincoln
Lincoln County.
in
Field Representative for
County.
Interest
in
l a n hhas
tthe
h e pplan
a s bbeen
e e n hhigh
i g h bbecause,
e c a u s e , tto
u r kknowledge,
t
n o w l e d g e , iit
o oour
is
plan
first
the
pursuant to
is the first plan developed
developed pursuant
implementation
to implementation
requirement
of the
Statewide Planning
requirement
#5 of
Planning Goal
Goal for
for
the Statewide
Estuarine
Resources.
Estuarine Resources.
Overall,
reaction
our reaction
to the
Overall,
our
to
the
plan
is positive
and we consider
it an excellent
docuplan is
positive and
docuconsider it
excellent
ment.
ment.
Lincoln
County
for
certainly
deserves credit
Lincoln
County certainly
deserves
for
credit
under.taking
your assistance.
In a
the effort
effort
with your
assistance.
a
undertaking the
with
In
sense we therefore
sense
therefore view
view the
plan as
as a model
model that
the plan
that a
of other
governments will
other local
local governments
will
want
number of
want to
to examine
examine
support their
to
their
similar
In this
to support
own similar
efforts.
effortssame
In
this same
connection
including
in
connection however,
however, you
you should
should consider
consider including
in
the
introductory
material
the introductory
material some additional
additional background
background
information
general
Estuarine
Resources Goal
Goal in
in general
information on
on the
Resources
the Estuarine
implementation
provision
particular.
It
in particular.
and implementation
provision
#5
It
#5 in
to us
us that
that this
seems to
would easily
supplement
this would
supplement the
easily
existing
the existing
problem
statement.
problem statement.
You should
should also
also consider
adding a
consider adding
diagram
the process
plan so
so its
diagram of
of the
process used
used to
to develop
develop the
its
the plan
readers would
fully
understand both
readers
would more
more fully
understand
both the
the context
context
and
plan.
and content
of the
content of
item of
the plan.
of business
business we
As an item
request
request that
that the
the customary
customary credit
credit language
on the
language on
the
attached sheet
printed
sheet be
inside cover
attached
be printed
on the
cover or
or title
the inside
title
page of
Ipage
of the
the document.
document.
4.
2 && 4.
Ueither
the Department
Department or
give full
or Commission
Neither the
Commission can
fuIl
can give
approval to
plan at
at this
to the
Rather, when the
approval
the plan
this time.
time.
Rather,
the
provisions
the Dredge
Plan are
inprovisions of
of the
Dredge tvlaterials
Materials Disposal
Disposal Plan
are included as
plans for
cluded
as part
part of
of the
the comprehensive
comprehensive land
land use
for
use plans
Lincoln
Lincoln County
County and
and the
the Cities
Cities and
and Ports
Ports of
of Newport
Newport and
ToLedo the
the Commission
Commission could
fully
could fully
approvg them
Toledo
approve
them under
under an
an
Ms. Nancy
Nancy Tuor
Tuor
Ms.
September 14,
September
L977
14, 1977
--22-
(Section 20
570
of 570
acknowledgement
20 1(a)
1(a) of
of Compliance
Compliance (Section
acknowledgement of
plan
the plan
It does
does appear
appear however,
however, that
It
that the
ORS. 197).
amending
amending ORS.
L97').
adequately
addresses
provision of
of the
Estuarine
adequately
addresses the
the Estuarine
the provision
p1an.
disposal plan.
Resources Goal
materials
Resources
disposal
Goal mandating
mandating aa dredged
dredged materials
process of
of
It is
the process
It
that
is also
also the
the Commission's
Commissionts expectation
expectation
that the
of comprehensive
comprehensive
coordinated
development
of
implementation
development and
and implementation
coordinated
impleits impleplans
plans would
would result
in
agreement on
on the
plan and
and its
result
in agreement
the plan
your efforts
efforts
provisions.
Accordingly,
Accordingly,
we support
menting provisions.
menting
support your
on the
on soliciting
agency
and agreement
the plan
plan and
and
on
soliciting
agency reviews
agreement on
reviews and
approach.
pursue
this
hope that
Lincoln
County
continues
to
pursue
this
approach.
hope
Lincoln
County
that
continues
to
of comcomIt should
It
should be stressed,
stressed, though,
acknowLedgement of
though, that
that acknowledgement
plan
given
plianee
pliance is
given
only
for
a
complete
comprehensive
plan
only
for
a
is
complete comprehensive
provisions.
Accordingly, the
AccordinglY'
the
including
implementation
provisions.
including
implementation
Implemenplans
disposal
plans
discussion
on
Disposal
Guidelines,
Implemenon Disposal Guidelines,
disposal
discussion
(pages 109-119)
tation
and Future
Future Considerations
Considerations (pages
will need
need
tation
and
109-119) will
Estuarine
related
aspects of
of the
to
be directly
related
to
to be
directly
other aspects
the Estuarine
to other
as
Resources
Planning Goals
Statewide Planning
Resources Goal
Goals as
Goal and the
other Statewide
the other
(for
be
particular
noted
well (for instance,
should
reference
well
aa particular reference
should
noted
instance,
Shorelands
provision
Implementation
under
provision #4 of
of the
Coastal Shorelands
the Coastal
under Implementation
Goal) .
Goal).
is
of the
the plan
This is
not meant
meant to
plan is
This
say that
immediate use
is not
to say
that immediate
use of
However,
However,
be.
at this
should be.
not feasible
at
feasible
because it
it should
not
time because
this time
pursued
must
full
implementation
vigorously
full
implementation
must continue
to
bs vigorously
pursued
to be
continue
land
while
development
comprehensive
land
while completing
overall
development of
of overall
comprehensive
completing
plans.
use
u s e plans.
3.
3.
rt would
comprehensive
It
would be
be desirable
desirable when
when agreement
agreement on
on the
the comprehensive
plan occurs
and is
plan
occurs and
is acknowledged
acknowledged that
implementation
the implementation
that the
process at
at
provisions
permit review
provisions
include
permit
include a streamlined
streamlined
reviehr process
In
pLan.
In
least for
for the
in the
least
sites
disposal
sites designated
designated in
the plan.
the disposal
this regard,
regard, aa streamlined
streamlined process
process would
would undoubtedly
this
undoubtedly
Federal
procedures
benefit
the Federal
benefit
the
to
implemented under
the procedures
to be implemented
under the
provisions
Oregons Coastal
Consistency
of
Consistency provisions
of Oregons
Coastal Management
Program approved
of
Zone Management Act
Program
Act of
Coastal Zone
approved under
under the
the Coastal
Section
1972.
the Section
This
would be
be particularly
particularly relevant
to
L972.
This would
relevant
to the
permits of
Section 404
404 permits
Engineers.where
10 and Section
.where
of Engineers
of the
Corps of
the Corps
process.
is a corresponding
permit review
review process.
there
there is
state level
1evel permit
coruesponding state
you for
Thank you
the
for the
opportunity
review and comment
comment on the
Thank
to
the opportunity
to review
plan, and
me.
please contact
contact me.
plan,
assistance
and. if
of further
further
assistance please
if II can
be of
can be
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Sincerely,
Redacted for Privacy
ua es r. ioss
cting Director
I
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NC:iub
N
C:mb
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)IEtIEDWE IRI
IDEGEIVE
A
P.E.
Jr., P.E.
Jr.,
Fetrow,
R. Fr.Fetrow,
DEPARTMENT LÔF r;iror
DEPARTIIIENTI*
l.
SEP 16 1977
Manager
ENVIRONMENTAT
6UALW
ENVIRONMENTAL
QUALITY
Reeion
coastRegion
Salem-North Coast
!113fl:il",..n
N' E.
E'
796
Winter
Street,
N.
ll'Ic'
uSC.
& HAM,
WILSEY
&
HAM,
WILSEY
Salem,
OR 97310
33f"H:";;'rili;"''
LI
I-i.
o PORTLAND,
(503) 229- 5696
e7205
t",;?1.ij_fu3il
ORE.
97205 ' Telephone
oRE.
PoRTLAND,
STREET
1234 s.w.
S.W.MoRRlsoN
MORRISON STREET
1234
Zrf;_22??
Tillamook 842-6637
ROBERT W.
W. STRAUB
STRAUB
ROBERT
977
1.977
29, 1
August
A u g u s t 29,
6DVERNOR
GOVERNOR
Manager
Project
u o r , Project
Ms.
Nancy
Tuor,
Manager
ancy T
M
s. N
Ham
l.li lsey &
6 Ham
Wilsey
S u i t e 44
Suite
Harrison,
W . Harrison,
222
2 2 2 S.
S . W.
0 R 97201
Portland,
OR
P
ortland,
972O1
Program
D i s p o s a l Program
Proposed
S p o i l s Disposal
P r o p o s e d Spoils
CountY
L i n c o l n County
B a Y - Lincoln
Y a q u i n a Bay
Yaquina
[iranch
C o a s t branch
North
N o r t h Coast
IRE:
RE:
ancy:
Dear N
IDear
Nancy:
Department
t h e Department
representing
have
the
b e e n representing
a v e been
p a s t six
s i x months,
months, I h
During
D u r i n g the
t h e past
spoil
sites
on
of
of
o
f E nEnvironmental
v i r o n m e n t a | Q u a | Quality
i t y i n a r e v i ein
w o fap rreview
oposedsp
o i | proposed
siteson
p
r
o
posed
e
a
c
l
r
personally
reviewed
each
proposed
p
e
r
s
o
n
a
l
l
y
r
e
v
i
e
w
e
d
I
County.
i n Lincoln
L i n c o l n County.
B a y in
Yaquina
Y a q u i n a Bay
dredge
t
h
e
first
draft
of
the
dredge
o
f
d
r
a
f
t
f
i
r
s
t
t
h
e
o
n
c o m m e n t s on the
written
site
comments
s u b m i t t e d written
a n d submitted
s i t e and
Bay
"Yaquina
t
h
e
o
f
r
e
p
o
r
t
f
i
n
a
l
After
reviewing
the
final
report
of
the
" Y a q u i n a Bay
the
plan.
reviewing
After
disposal
plan.
d
isposal
1
977,
J
u
l
y
Ham,
July
1977,
H
a
m
,
6
l
s
e
y
b
y
W
i
P
l
a
n
"
and
Disposal
D i s p o s a l Plan" by Wilsey &
Material
D r e d g e d Material
R i v e r Dredged
a n d River
satisfied.
s
a
t
i
s
f
i
e
d
.
a
d
e
q
u
a
t
e
l
y
b
e
e
n
h a v e been adequately
our
c o n c e r n s have
a g e n c y t s concerns
I feel
feel o
u r agency's
I
I
I
be
still
be
will
still
P r o g r a m will
R e v i e w Program
P e r m i t Review
should
t h e Permit
t h a t the
b e emphasized
e m p h a s i z e d that
s h o u l d be
would
antiI
w
o
u
l
d
a
n
t
i
H
o
w
e
v
e
r
,
However,
p r o p o s e d sites.
si tes.
t h e proposed
i n certifying the
rrequired
e q u i r e d in
permissible
b e permissible
p r o c e s s would
w o u l d be
o f this
t h i s process
cipate
that
o" .u. ri i f ystreamlining
si tnrge a m l i n i n g of
t h a t our
cipate
I
months'
six
months.
p
a
s
t
s
i
x
t
h
e
d u r i n S the past
activities
in
agency's
during
ur a
g e n c y r s activities
light
oof
f oour
i n light
I
I
and
Newport
will
N
e
w
p
o
r
t
.
w
i
a
n
d
T
o
l
e
d
o
o f Toledo
P o r t s of
t h e Ports
understand
a n d the
C o u n t y and
t h e County
t h a t the
u n d e r s t a n d that
f
o
r
e
a
s
e
m
e
n
t
)
(either
of
land
or
easement)
for
(
e
i
t
h
e
r
o
r
l
a
n
d
of
program
soon
program
b e g i n the
t h e acquisition
acguisition
s o o n begin
agencies'
t h e agencies.
receiving
support
o f all
a l I the
s u p p o r t of
receiving
Ithese
t h e s e sites
sites
IIt
It
I
I
y o u r staff
staff
y o u and
a n d your
c o m m e n d you
t o commend
opportunity
would
to
t h i s opportunity
t a k e this
I i k e to
t o take
o u l d like
I w
o
f
r
e
c
omincorporation
of
recomi
n
c
o
r
p
o
r
a
t
i
o
n
and
j o b in
preparation
t h e preparation
i n the
for
and
f i n e job
f o r a very
v e r y fine
If
lf
P
l
a
n
'
D
i
s
p
o
s
a
l
Dredge
D r e d g e Disposal Plan.
inal
iin
n tthe
h e ffinal
sites
mendations
sites
o n specific
spLcific
m e n d a t i o n s on
N
o
r
t
h
a
t
o
u
r
please
contact
me
at
our
North
m
e
please contact
assistance,
further
assistance,
b e of
a n y further
o f any
I can
c a n be
Ti I lamook.
8 \ z - 6 6 3 7 , Tillamook.
a t 842-6637,
Coast
at
0ffice
B r a n c h Office
C
o a s t Branch
1
I
ISincerely,
Sincerely,
Redacted for Privacy
T
I
P.E.
T i l s o n , P.E.
Murray
l ' 1 . Tilson,
M
u r r a y M.
E n gi n e e r
R e gi o n a I Engineer
Counties
L i n c o l n Counties
Clatsop,
T i l l a m o o k &E Lincoln
C l a t s o P , Tillamook
MMT:
mmm
M M T1:I m
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DEQ
cc:
cc:
cc:
cc:
cc:
cc:
Icc:
cc:
R e gi o n
C o a s t ' Region
S a l e m - N o r t h Coast
F e t r o w , Salem-North
R.
H . Fetrow,
R . H.
0
p
e
r
a
t
i
o
n
s
M.. Bolton,
R e g i o n a l Operations
B o l t o n , Regional
F.. H
F
Division
C t u a l i t y Division
Carter,
Water
a t e r Quality
L.. C
ar t e r , W
G.
G. L
NewPort
S t . , Newport
0 l i v e St.,
2 2 5 Olive
C o m m is s i o n e r s ' 225
Lincoln
o f Commissioners,
B o a r d of
L i n c o l n County
C o u n t y Board