Wastewater Benchmarks
A Survey Conducted by the MTAS Library for The City of Kingsport
Nine Tennessee Cities Contacted
March 2004
Cities/ Contacts
Total cost
per million
gallons
treated
Collection
system costs
per sewer mile
Average annual,
residential sewer
charge
(Includes labor,
vehicles, dewater
and polymers)
Plant
O & M costs
per million
gallons
treated
Number of staff
per 1000
wastewater
customers
Chemical costs
per million
gallons treated
Total electrical
costs per
million gallons
treated
Cleveland
Population: 37,192
Fred Murphy,
Water Division Manager
(423) 478-9380
$1,825
$2,800
$257
$332
$371
2.4
$24
$72
Cookeville
Population: 23,923
Ronnie Kelly,
Director Department of
Water Quality Control
(931) 520-5259
$1,217
$2,540
(Does not
include
depreciation
expense.
Calculated,
using all costs
associated
with WW
system.)
(Includes pump
station expenses.)
$199.20
$113.50
$372
1.6
$31.3
(Includes
$153.50
Elizabethton
Johann Coetzee,
Wastewater Manager,
(423) 547-6341
$1,063
Information not
available
$248
Information not
available
Information
not available
4.4
Information not
available
$108
Greeneville
Population: 15,274
Ken Earl,
Superintendent
(423) 639-7105
$891.39
$889.47
$126.96
$174
$392.01
1.7
$14.52
$94.07
Jackson
Population: 59,543
Truman Murray,
Wastewater Manager
(731) 422-7210
$615.00
$2,630
$219
$196.92 Miller Ave.
WWTP; $73.72
Middle Fork WWTP
$525.49
4.4
$4.73
$150
Johnson City
Population: 55,652
Gordon Cox,
Water/Wastewater
Superintendent
(423) 975-2631
$495
$2,450
First 1000gallons
=
$2.60/1000
gallons;
Next 9000 gallons
= $1.49/1000
$200
$405
2.0
employees/1000
customers
$33
$108
(Based on 5,000
gal. average,
monthly usage)
Sludge costs per
dry ton produced
(Does not include
depreciation
expenses. Includes
hauling/disposal
costs – excluding
hauling/disposal
expenses costs per
dry ton = $99.52.)
chemicals fed in
the collection
system. Does not
include polymer
or lime costs
used in biosolids
process.)
(Includes
treatment plant
electrical and
pump station
electrical costs.)
Wastewater Benchmarks
A Survey Conducted by the MTAS Library for The City of Kingsport
Nine Tennessee Cities Contacted
March 2004
Cities/ Contacts
Total cost
per million
gallons
treated
Collection
system costs
per sewer mile
Kingsport
Population: 44,905
Dan Wankel,
Environmental Services
Engineer
(423) 229-9340
$841
$2,672
Murfreesboro
Population: 75,083
Joe Kirchner,
Wastewater Department
Director
(615) 890-0862
$756
$1,183,903/yr
Oak Ridge
Population: 27,387
Bruce Giles,
Wastewater Manager
(865) 425-1843
$2,723
Average annual,
residential sewer
charge
(Includes labor,
vehicles, dewater
and polymers)
Plant
O & M costs
per million
gallons
treated
Number of staff
per 1000
wastewater
customers
Chemical costs
per million
gallons treated
Total electrical
costs per
million gallons
treated
$330.60
$138
$390
1.9
$15
$71
$18.41
$73
$480
1.9
$9.5
$153
$773
1.9
$36
$176
(Based on 5,000
gal. average,
monthly usage)
(2003 operational
costs for 400 mi.
trunk lines/1200
mi. if laterals
included)
$2,364
Sludge costs per
dry ton produced
(2,378 dry tons)
$261
$236
(2)