POLLUTION LOCATOR| Water | State Clean Water Act Status Report

Clean Water Act Status: SOUTH CAROLINA
 
 
  • 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 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
    SOUTH CAROLINA contains a portion of 32 watersheds.
    Percentage of Surface Waters with Reported Problems (state + EPA data): 63%
    Number of Waterbodies with Reported Problems (as reported by the state): 658
    Beneficial Use Most Frequently Impaired Percent of All Impairments
    Primary Contact Recreation (Swimming) 49%
    Shellfish Consumption 27%
    Aquatic Life Support 25%
    Fish Consumption 4%
    Beneficial uses not reported for 100% of waterbodies.


    Priority for Regulation     Number of Waterbodies
    Targeted 0
    High 92
    Medium 480
    Low 80
    Not Assessed for TMDL Priority 0
    Not Reported to US EPA for TMDL Priority 6
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  • Leading Pollutants/Stressors of Surface Waters
    Rivers, Streams, and Creeks
    Number of impaired waterbodies: 504
    Percent of Rivers, Streams and Creeks in SOUTH CAROLINA assessed by agencies for 1997-98 reporting period: 65%
      Percent Waterbodies Affected
    Pathogens 78%
    Low Dissolved Oxygen/Organic Enrichment 8%
    Metals 8%
    Impaired Biological Community 7%
    Mercury 3%
    More...

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


    Lakes, Reservoirs, and Ponds
    Number of impaired waterbodies: 37
    Percent of Lakes, Reservoirs and Ponds in SOUTH CAROLINA assessed by agencies for 1997-98 reporting period: 58%
      Percent Waterbodies Affected
    Nutrients 41%
    Metals 30%
    Low Dissolved Oxygen/Organic Enrichment 16%
    pH 14%
    Pathogens 11%
    More...

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


    Estuaries, Bays, and Coasts
    Number of impaired waterbodies: 80
    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 95%
    Low Dissolved Oxygen/Organic Enrichment 9%
    pH 6%
    Mercury 2%
    Metals 2%

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


    Fresh Water Wetlands
    Number of impaired waterbodies: 31
      Percent Waterbodies Affected
    Pathogens 87%
    Low Dissolved Oxygen/Organic Enrichment 6%
    Metals 6%
    Impaired Biological Community 3%

    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: 504 (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: 37 (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: 80 (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: 31 (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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