POLLUTION LOCATOR| Water | State Clean Water Act Status Report

Clean Water Act Status: INDIANA
 
 
  • 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 INDIANA or in the U.S. by assessed use impairments.
    Rank watersheds in INDIANA 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
    INDIANA contains a portion of 38 watersheds.
    Percentage of Surface Waters with Reported Problems (state + EPA data): 14%
    Number of Waterbodies with Reported Problems (as reported by the state): 208
    Beneficial uses not reported for 100% of waterbodies.

    Priority for Regulation     Number of Waterbodies
    Targeted 12
    High 4
    Medium 76
    Low 114
    Not Assessed for TMDL Priority 0
    Not Reported to US EPA for TMDL Priority 2
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  • Leading Pollutants/Stressors of Surface Waters
    Rivers, Streams, and Creeks
    Number of impaired waterbodies: 171
    Percent of Rivers, Streams and Creeks in INDIANA assessed by agencies for 1997-98 reporting period: 24%
      Percent Waterbodies Affected
    Organic Compounds 53%
    Mercury 40%
    Impaired Biological Community 32%
    Pathogens 27%
    Low Dissolved Oxygen/Organic Enrichment 11%
    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 INDIANA assessed by agencies for 1997-98 reporting period: 32%
      Percent Waterbodies Affected
    Mercury 78%
    Organic Compounds 30%
    Pathogens 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: 171 (cause not reported for 100%)
    Percent of Rivers, Streams and Creeks in INDIANA assessed by agencies for 1997-98 reporting period: 24%
      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 INDIANA assessed by agencies for 1997-98 reporting period: 32%
      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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