POLLUTION LOCATOR| Water | Watershed Impairment

Clean Water Act Status: Upper Connecticut Watershed
 
 
  • Clean Water Act Comparative Ranking
    Cleanest/Best Watersheds National Average Dirtiest/Worst Watersheds
    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 watersheds by assessed use impairments
    Rank counties 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
    Upper Connecticut contains a portion of 4 counties:
    CALEDONIA County, VT
    COOS County, NH
    ESSEX County, VT
    GRAFTON County, NH
    Percentage of Surface Waters with Reported Problems (state + EPA data): 15%
    Number of Waterbodies with Reported Problems (as reported by the state): 7
    Baker Pond
    Connecticut River
    Connecticut River
    Halls Stream
    Trio Pond, Three
    Unknown Pond (averys Gore)
    York Pond
    Beneficial Use Most Frequently Impaired Percent of All Impairments
    Not Reported 86%
    Aquatic Life Support 14%


    Priority for Regulation     Number of Waterbodies
    Targeted 0
    High 1
    Medium 2
    Low 3
    Not Assessed for TMDL Priority 0
    Not Reported to US EPA for TMDL Priority 1
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  • Leading Pollutants/Stressors of Surface Waters
    Rivers, Streams, and Creeks
    Number of impaired waterbodies: 3
    Percent of Rivers, Streams and Creeks in NEW HAMPSHIRE assessed by agencies for 1997-98 reporting period: 24%
    Percent of Rivers, Streams and Creeks in VERMONT assessed by agencies for 1997-98 reporting period: 16%
      Percent Waterbodies Affected
    Pathogens 67%
    Metals 33%
    Organic Compounds 33%

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


    Lakes, Reservoirs, and Ponds
    Number of impaired waterbodies: 4
    Percent of Lakes, Reservoirs and Ponds in NEW HAMPSHIRE assessed by agencies for 1997-98 reporting period: 95%
    Percent of Lakes, Reservoirs and Ponds in VERMONT assessed by agencies for 1997-98 reporting period: 7%
      Percent Waterbodies Affected
    Nutrients 50%
    Metals 25%
    pH 25%

    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: 3
    Percent of Rivers, Streams and Creeks in NEW HAMPSHIRE assessed by agencies for 1997-98 reporting period: 24%
    Percent of Rivers, Streams and Creeks in VERMONT assessed by agencies for 1997-98 reporting period: 16%
      Percent Waterbodies Affected
    Agriculture 67%
    Unknown Sources 33%

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


    Lakes, Reservoirs, and Ponds
    Number of impaired waterbodies: 4(cause not reported for 25%)
    Percent of Lakes, Reservoirs and Ponds in NEW HAMPSHIRE assessed by agencies for 1997-98 reporting period: 95%
    Percent of Lakes, Reservoirs and Ponds in VERMONT assessed by agencies for 1997-98 reporting period: 7%
      Percent Waterbodies Affected
    Agriculture 25%
    Atmospheric Deposition 25%
    Impairment source not reported 25%
    Unknown Sources 25%

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




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  • Links
    U.S. EPA Watershed Health Index
    U.S. EPA Condition and Vulnerability Indicators
    U.S. EPA Watershed Profile
    U.S. Geological Survey: Water Resources Links
    USGS report on the National Water-Quality Assessment (NAWQA) study unit this watershed is in.
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