POLLUTION LOCATOR| Water | State Clean Water Act Status Report
Clean Water Act Status: WASHINGTON
 
 
  • Clean Water Act Comparative Ranking
    Cleanest/Best States National Average Dirtiest/Worst States
    0%         50%         100%

    Percentage of Surface Waters with Impaired or Threatened Uses (state + EPA data):
    Number of Impaired Waterbodies (as reported by the state):

    NOTE: Data limitations affect the accuracy of these rankings.

    Rank counties in WASHINGTON or in the U.S. by assessed use impairments.
    Rank watersheds in WASHINGTON by assessed use impairments
    Rank states by assessed use impairments, impairments due to specific causes, or impairments due to specific sources

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  • 1998 Clean Water Act Status
    WASHINGTON contains a portion of 68 watersheds.
    Percentage of Surface Waters with Reported Problems (state + EPA data): 3%
    Number of Waterbodies with Reported Problems (as reported by the state): 1317
    Beneficial uses not reported for 100% of waterbodies.

    Priority for Regulation     Number of Waterbodies
    Targeted 0
    High 0
    Medium 0
    Low 0
    Not Assessed for TMDL Priority 0
    Not Reported to US EPA for TMDL Priority 1317
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  • Leading Pollutants/Stressors of Surface Waters
    Rivers, Streams, and Creeks
    Number of impaired waterbodies: 1110
    Percent of Rivers, Streams and Creeks in WASHINGTON assessed by agencies for 1997-98 reporting period: 98%
      Percent Waterbodies Affected
    Pathogens 42%
    Temperature 41%
    Low Dissolved Oxygen/Organic Enrichment 18%
    pH 9%
    Other Habitat Alterations 5%
    More...

    NOTE: Possible inconsistencies between data on (a) impaired waterbodies and (b) percentage of waterbodies assessed.


    Lakes, Reservoirs, and Ponds
    Number of impaired waterbodies: 65
    Percent of Lakes, Reservoirs and Ponds in WASHINGTON assessed by agencies for 1997-98 reporting period: 53%
      Percent Waterbodies Affected
    Pathogens 37%
    Nutrients 34%
    Impaired Biological Community 17%
    Pesticides 11%
    PCBs 6%
    More...

    NOTE: Possible inconsistencies between data on (a) impaired waterbodies and (b) percentage of waterbodies assessed.


    Estuaries, Bays, and Coasts
    Number of impaired waterbodies: 141
    Percent of Estuaries and Bays in WASHINGTON assessed by agencies for 1997-98 reporting period: 85%
    Percent of Coastal Shorelines in WASHINGTON assessed by agencies for 1997-98 reporting period: 0%
      Percent Waterbodies Affected
    Pathogens 53%
    Metals 19%
    pH 17%
    Low Dissolved Oxygen/Organic Enrichment 17%
    Organic Compounds 16%
    More...

    NOTE: Possible inconsistencies between data on (a) impaired waterbodies and (b) percentage of waterbodies assessed.


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  • Leading Sources of Water Quality Problems
    Rivers, Streams, and Creeks
    Number of impaired waterbodies: 1110 (cause not reported for 100%)
    Percent of Rivers, Streams and Creeks in WASHINGTON assessed by agencies for 1997-98 reporting period: 98%
      Percent Waterbodies Affected
    Impairment source not reported 100%

    NOTE: Possible inconsistencies between data on (a) impaired waterbodies and (b) percentage of waterbodies assessed.


    Lakes, Reservoirs, and Ponds
    Number of impaired waterbodies: 65 (cause not reported for 100%)
    Percent of Lakes, Reservoirs and Ponds in WASHINGTON assessed by agencies for 1997-98 reporting period: 53%
      Percent Waterbodies Affected
    Impairment source not reported 100%

    NOTE: Possible inconsistencies between data on (a) impaired waterbodies and (b) percentage of waterbodies assessed.


    Estuaries, Bays, and Coasts
    Number of impaired waterbodies: 141 (cause not reported for 100%)
    Percent of Estuaries and Bays in WASHINGTON assessed by agencies for 1997-98 reporting period: 85%
    Percent of Coastal Shorelines in WASHINGTON assessed by agencies for 1997-98 reporting period: 0%
      Percent Waterbodies Affected
    Impairment source not reported 100%

    NOTE: Possible inconsistencies between data on (a) impaired waterbodies and (b) percentage of waterbodies assessed.


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