POLLUTION LOCATOR| Water | County Clean Water Act Status Report

Clean Water Act Status: CHARLESTON County, SC
 
 
  • Clean Water Act Comparative Ranking
    Cleanest/Best Counties National Average Dirtiest/Worst Counties
    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 SOUTH CAROLINA or in the U.S. by assessed use impairments.
    Rank watersheds in SOUTH CAROLINA 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
    CHARLESTON County contains a portion of 4 watersheds:
    Cooper
    Edisto
    Santee
    South Carolina Coastal
    Percentage of Surface Waters with Reported Problems (state + EPA data): 100%
    Number of Waterbodies with Reported Problems (as reported by the state): 168
    Beneficial Use Most Frequently Impaired Percent of All Impairments
    Shellfish Consumption 73%
    Primary Contact Recreation (Swimming) 18%
    Aquatic Life Support 10%
    Fish Consumption 2%

    Priority for Regulation     Number of Waterbodies
    Targeted 0
    High 13
    Medium 147
    Low 8
    Not Assessed for TMDL Priority 0
    Not Reported to US EPA for TMDL Priority 0
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  • Leading Pollutants/Stressors of Surface Waters
    Rivers, Streams, and Creeks
    Number of impaired waterbodies: 102
    Percent of Rivers, Streams and Creeks in SOUTH CAROLINA assessed by agencies for 1997-98 reporting period: 65%
      Percent Waterbodies Affected
    Pathogens 91%
    Low Dissolved Oxygen/Organic Enrichment 8%
    Mercury 3%
    pH 2%
    Metals 2%
    More...

    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 SOUTH CAROLINA assessed by agencies for 1997-98 reporting period: 58%
      Percent Waterbodies Affected
    Low Dissolved Oxygen/Organic Enrichment 75%
    Pathogens 25%

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


    Estuaries, Bays, and Coasts
    Number of impaired waterbodies: 50
    Percent of Estuaries and Bays in SOUTH CAROLINA assessed by agencies for 1997-98 reporting period: 32%
    Percent of Coastal Shorelines in SOUTH CAROLINA assessed by agencies for 1997-98 reporting period: 0%
      Percent Waterbodies Affected
    Pathogens 98%
    Mercury 2%

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


    Fresh Water Wetlands
    Number of impaired waterbodies: 11
      Percent Waterbodies Affected
    Pathogens 91%
    Metals 9%

    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: 102 (cause not reported for 100%)
    Percent of Rivers, Streams and Creeks in SOUTH CAROLINA assessed by agencies for 1997-98 reporting period: 65%
      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: 4 (cause not reported for 100%)
    Percent of Lakes, Reservoirs and Ponds in SOUTH CAROLINA assessed by agencies for 1997-98 reporting period: 58%
      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: 50 (cause not reported for 100%)
    Percent of Estuaries and Bays in SOUTH CAROLINA assessed by agencies for 1997-98 reporting period: 32%
    Percent of Coastal Shorelines in SOUTH CAROLINA 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.


    Fresh Water Wetlands
    Number of impaired waterbodies: 11 (cause not reported for 100%)
      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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    Email EPA
    Join an online discussion about pollution in CHARLESTON County


    Email a Scorecard Community Report to a friend
    Network with environmental groups
    Learn how to use Scorecard to find out about toxics in your community


    Contribute to Environmental Defense
    Volunteer with environmental groups in your community

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  • Links
    Scorecard's report on
    Drinking Water Sources for this County
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