POLLUTION LOCATOR| Water | State Clean Water Act Status Report

Clean Water Act Status: TENNESSEE
 
 
  • 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 TENNESSEE or in the U.S. by assessed use impairments.
    Rank watersheds in TENNESSEE 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
    TENNESSEE contains a portion of 53 watersheds.
    Percentage of Surface Waters with Reported Problems (state + EPA data): 22%
    Number of Waterbodies with Reported Problems (as reported by the state): 352
    Beneficial uses not reported for 100% of waterbodies.

    Priority for Regulation     Number of Waterbodies
    Targeted 0
    High 69
    Medium 0
    Low 259
    Not Assessed for TMDL Priority 19
    Not Reported to US EPA for TMDL Priority 5
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  • Leading Pollutants/Stressors of Surface Waters
    Rivers, Streams, and Creeks
    Number of impaired waterbodies: 316
    Percent of Rivers, Streams and Creeks in TENNESSEE assessed by agencies for 1997-98 reporting period: 88%
      Percent Waterbodies Affected
    Sediments 68%
    Pathogens 29%
    Other Habitat Alterations 28%
    Low Dissolved Oxygen/Organic Enrichment 28%
    Nutrients 15%
    More...

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


    Lakes, Reservoirs, and Ponds
    Number of impaired waterbodies: 36
    Percent of Lakes, Reservoirs and Ponds in TENNESSEE assessed by agencies for 1997-98 reporting period: 100%
      Percent Waterbodies Affected
    Sediments 39%
    Low Dissolved Oxygen/Organic Enrichment 33%
    Nutrients 33%
    PCBs 19%
    pH 17%
    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: 316 (cause not reported for 0%)
    Percent of Rivers, Streams and Creeks in TENNESSEE assessed by agencies for 1997-98 reporting period: 88%
      Percent Waterbodies Affected
    Agriculture 45%
    Hydromodification/Habitat Modification 45%
    Urban Runoff/Storm Sewers 24%
    Construction 17%
    Resource Extraction 13%
    More...

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


    Lakes, Reservoirs, and Ponds
    Number of impaired waterbodies: 36
    Percent of Lakes, Reservoirs and Ponds in TENNESSEE assessed by agencies for 1997-98 reporting period: 100%
      Percent Waterbodies Affected
    Contaminated Sediments 31%
    Agriculture 28%
    Hydromodification/Habitat Modification 28%
    Resource Extraction 22%
    Urban Runoff/Storm Sewers 22%
    More...

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




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