POLLUTION LOCATOR
|
Water
| Leading Pollutants/Stressors
Region Name:
Entire United States
Rivers, Streams, and Creeks
Number of
Impairments
Percent of all
Impairments
Sediments
4443
27%
Pathogens
4173
25%
Nutrients
2869
17%
Low Dissolved Oxygen/Organic Enrichment
2803
17%
Metals
2601
16%
Other Habitat Alterations
2010
12%
Temperature
1809
11%
Impaired Biological Community
1354
8%
pH
1151
7%
Flow Alterations
1004
6%
Pesticides
893
5%
Ammonia
659
4%
Salinity/TDS/Chlorides
649
4%
Unknown
623
4%
Organic Compounds
558
3%
Mercury
480
3%
Inorganics
393
2%
Fish Consumption Advisory
309
2%
Other
304
2%
Impairment cause not reported
257
2%
PCBs
167
1%
Toxics
96
1%
Noxious Aquatic Plants
66
0%
Dioxin
57
0%
Aesthetics
33
0%
Debris
32
0%
Radiation
15
0%
Contaminated Sediments
11
0%
Exotic Species
7
0%
Wetland Loss
6
0%
Acid Mine Drainage
3
0%
