POLLUTION LOCATOR| Water | Leading Pollutants/Stressors

Region Name:      Entire United States


Estuaries, Bays, and Coasts Number of
Impairments
Percent of all
Impairments
Pathogens 767 65%
Low Dissolved Oxygen/Organic Enrichment 189 16%
Nutrients 163 14%
Metals 117 10%
Pesticides 88 7%
PCBs 84 7%
Organic Compounds 82 7%
Mercury 75 6%
Sediments 72 6%
Fish Consumption Advisory 51 4%
pH 36 3%
Dioxin 26 2%
Debris 20 2%
Impaired Biological Community 17 1%
Impairment cause not reported 16 1%
Contaminated Sediments 15 1%
Ammonia 13 1%
Toxics 13 1%
Inorganics 12 1%
Other 10 1%
Unknown 10 1%
Exotic Species 9 1%
Other Habitat Alterations 6 1%
Temperature 5 0%
Aesthetics 4 0%
Salinity/TDS/Chlorides 4 0%
Noxious Aquatic Plants 2 0%
Radiation 2 0%
Flow Alterations 1 0%