POLLUTION LOCATOR| Water | State Clean Water Act Status Report

Clean Water Act Status: MASSACHUSETTS
 
 
  • 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 MASSACHUSETTS or in the U.S. by assessed use impairments.
    Rank watersheds in MASSACHUSETTS 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
    MASSACHUSETTS contains a portion of 17 watersheds.
    Percentage of Surface Waters with Reported Problems (state + EPA data): 18%
    Number of Waterbodies with Reported Problems (as reported by the state): 906
    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 906
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  • Leading Pollutants/Stressors of Surface Waters
    Rivers, Streams, and Creeks
    Number of impaired waterbodies: 211
    Percent of Rivers, Streams and Creeks in MASSACHUSETTS assessed by agencies for 1997-98 reporting period: 18%
      Percent Waterbodies Affected
    Pathogens 72%
    Low Dissolved Oxygen/Organic Enrichment 34%
    Nutrients 30%
    Metals 22%
    Sediments 19%
    More...

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


    Lakes, Reservoirs, and Ponds
    Number of impaired waterbodies: 561
    Percent of Lakes, Reservoirs and Ponds in MASSACHUSETTS assessed by agencies for 1997-98 reporting period: 56%
      Percent Waterbodies Affected
    Noxious Aquatic Plants 84%
    Sediments 17%
    Nutrients 11%
    Low Dissolved Oxygen/Organic Enrichment 9%
    Organic Compounds 3%
    More...

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


    Estuaries, Bays, and Coasts
    Number of impaired waterbodies: 134
    Percent of Estuaries and Bays in MASSACHUSETTS assessed by agencies for 1997-98 reporting period: 8%
    Percent of Coastal Shorelines in MASSACHUSETTS assessed by agencies for 1997-98 reporting period: 0%
      Percent Waterbodies Affected
    Pathogens 99%
    Low Dissolved Oxygen/Organic Enrichment 13%
    Nutrients 7%
    Organic Compounds 5%
    Ammonia 3%
    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: 211 (cause not reported for 100%)
    Percent of Rivers, Streams and Creeks in MASSACHUSETTS assessed by agencies for 1997-98 reporting period: 18%
      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: 561 (cause not reported for 100%)
    Percent of Lakes, Reservoirs and Ponds in MASSACHUSETTS assessed by agencies for 1997-98 reporting period: 56%
      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: 134 (cause not reported for 100%)
    Percent of Estuaries and Bays in MASSACHUSETTS assessed by agencies for 1997-98 reporting period: 8%
    Percent of Coastal Shorelines in MASSACHUSETTS 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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