POLLUTION LOCATOR| Water | National Watershed Indicators Report

Watershed Indicators: Entire United States
 
 
  • Summary of EPA Watershed Indicators
    Entire United States contains a portion of 2262 watersheds:

    Overall EPA watershed evaluationNumber of watersheds
    Better Water Quality - Low Vulnerability 305
    Better Water Quality - High Vulnerability 33
    Less Serious Water Quality Problems - Low Vulnerability 758
    Less Serious Water Quality Problems - High Vulnerability 60
    More Serious Water Quality Problems - Low Vulnerability 482
    More Serious Water Quality Problems - High Vulnerability 32
    Insufficient Data 592
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  • EPA Water Quality Indicators
      Current water quality conditions
    Number of watersheds:
    EPA Indicator More
    Serious
    Less
    Serious
    Better Insufficient
    Data
    Assessed Use Attainment 1208 664 660 543
    Fish and Wildlife Consumption Advisories 914 363 111 1687
    Source of Drinking Water 349 496 928 1302
    Contaminated Sediments 59 101 1801 1114
    Ambient Water Quality: Four Toxic Pollutants 11 290 843 1931
    Ambient Water Quality:Four Conventional Pollutants 417 843 715 1100
    Wetlands Loss Index 672 2227 32 144
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  • EPA Watershed Vulnerability Indicators
      Future vulnerability
    Number of watersheds:
    EPA Indicator High Moderate Low Insufficient Data
    Aquatic/Wetland Species at Risk 422 745 430 664
    Pollutant Loads Discharged Above Permitted Limits: Toxics 38 54 1121 1048
    Pollutant Loads Discharged Above Permitted Limits: Conventional 11 6 1354 890
    Urban Runoff Potential 115 218 1645 283
    Agricultural Runoff Potential 529 1055 526 151
    Population Change 657 322 1223 59
    Hydrologic Modification 481 960 491 329
    Estuarine Pollution Susceptibility 60 81 8 2112
    Atmospheric Deposition 161 777 1163 160
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  • Links
    Scorecard's report on
    The United States Environmental Protection Agency's Office of Water
    Water resources for the United States from the U.S. Geological Survey
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