POLLUTION LOCATOR| Water | State Clean Water Act Status Report

Clean Water Act Status: HAWAII
 
 
  • 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 HAWAII or in the U.S. by assessed use impairments.
    Rank watersheds in HAWAII 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
    HAWAII contains a portion of 8 watersheds:
    Hawaii
    Kahoolawe
    Kauai
    Lanai
    Maui
    Molokai
    Niihau
    Oahu
    Percentage of Surface Waters with Reported Problems (state + EPA data): 5%
    Number of Waterbodies with Reported Problems (as reported by the state): 18
    Beneficial uses not reported for 100% of waterbodies.

    Priority for Regulation     Number of Waterbodies
    Targeted 0
    High 0
    Medium 0
    Low 0
    Not Assessed for TMDL Priority 18
    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: 3
    Percent of Rivers, Streams and Creeks in HAWAII assessed by agencies for 1997-98 reporting period: 100%
      Percent Waterbodies Affected
    Sediments 100%
    Nutrients 100%
    Metals 33%

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


    Percent of Lakes, Reservoirs and Ponds in HAWAII assessed by agencies for 1997-98 reporting period: 0%

    Estuaries, Bays, and Coasts
    Number of impaired waterbodies: 15
    Percent of Estuaries and Bays in HAWAII assessed by agencies for 1997-98 reporting period: 100%
    Percent of Coastal Shorelines in HAWAII assessed by agencies for 1997-98 reporting period: 84%
      Percent Waterbodies Affected
    Sediments 93%
    Nutrients 67%
    Pathogens 13%
    Metals 13%

    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 HAWAII assessed by agencies for 1997-98 reporting period: 100%
      Percent Waterbodies Affected
    Agriculture 67%
    Urban Runoff/Storm Sewers 67%
    Industrial Point Sources 33%
    Land Disposal 33%

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


    Percent of Lakes, Reservoirs and Ponds in HAWAII assessed by agencies for 1997-98 reporting period: 0%

    Estuaries, Bays, and Coasts
    Number of impaired waterbodies: 15
    Percent of Estuaries and Bays in HAWAII assessed by agencies for 1997-98 reporting period: 100%
    Percent of Coastal Shorelines in HAWAII assessed by agencies for 1997-98 reporting period: 84%
      Percent Waterbodies Affected
    Urban Runoff/Storm Sewers 73%
    Agriculture 67%
    Natural Sources 13%

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


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