Lower Lake Norman Area
Lake Use Support Index
LUSI
Key:
Water Quality Report – January 2016
LUSI
Swimmable (Fecal coliform bacteria)
Past Year
Lake Use Support Index
March 2015 – Jan 2016
Ecological Health
(NC Trophic State Index)
(Not shown: Metals, Turbidity, Field Parameters)
Supporting +
Supporting
Partially Supporting
Impaired
Degraded
LD5
LN4
99.0
100
100
Lake
Davidson
Current Month Results
LC2
100.0
LN2
Lake
Cornelius
98.0
100
LN1
100
LN5
100
Historical
Trends
Site
ID
Date
LN1
LN2
LN4
LN5
LN9
LC2
LD5
1/28
1/28
1/28
1/28
1/28
1/20
1/20
Fecal
Coliform
col./100 ml.
E. coli
MPN/100
ml
11
8
2
13
12
10
1
2
6
NA
7
4
8
3
NC WQ
Standards
Violations?
NO
NO
NO
NO
NO
NO
NO
NC Trophic State Index 2009-2016
2.0
1.0
Norman
Norman-Trailing
Eutrophic
LC & LD
LC & LD-Trailing
High algae/nutrients
0.0
-1.0
Fish Consumption Advisories
Issued by the NC Divison of Public
Health to protect citizens from exposure
to contaminantslike PCBs and mercury. Largemouth Bass
95-100
90-95
70-90
50-70
0-50
Data used for calculations were collected by CharlotteMecklenburg Storm Water Services at individual sites every
other month (January, March, May, July, Sept., Nov.)
LN9
Lake
Norman
(Overall Water Quality)
------------- Key Subindicies -----------------
-2.0
-3.0
Striped Bass
For more information visit: stormwater.charmeck.org
-4.0
-5.0
Oligotrophic
Low algae/nutrients
-6.0
Jan-09 Jan-10 Jan-11 Jan-12 Jan-13 Jan-14 Jan-15 Jan-16