POLLUTION LOCATOR
|
Water
| Leading Pollutants/Stressors
Region Name:
Entire United States
Lakes, Reservoirs, and Ponds
Number of
Impairments
Percent of all
Impairments
Nutrients
1474
40%
Sediments
825
22%
Noxious Aquatic Plants
761
20%
Low Dissolved Oxygen/Organic Enrichment
742
20%
pH
596
16%
Mercury
490
13%
Metals
291
8%
Pesticides
234
6%
Pathogens
231
6%
Organic Compounds
132
4%
Flow Alterations
88
2%
Other
84
2%
Ammonia
69
2%
Temperature
67
2%
Other Habitat Alterations
56
2%
Salinity/TDS/Chlorides
52
1%
Impairment cause not reported
49
1%
Aesthetics
45
1%
PCBs
42
1%
Unknown
42
1%
Inorganics
36
1%
Fish Consumption Advisory
33
1%
Impaired Biological Community
32
1%
Toxics
22
1%
Exotic Species
11
0%
Debris
10
0%
Dioxin
3
0%
Contaminated Sediments
2
0%
Radiation
2
0%
