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    Profile Basin and Stream Centerline

    2018 Impaired Lakes 303 d list in Category 5 Alt

    This data includes lakes of Arkansas that have been assessed as Impaired Waterbodies for the listed pollutant pair(s) (Category 5 alt). It consists of a subset of the lakes from the Water Hydrography Tiger 2005V1.National Hydrography Dataset (NHD) High Resolution (1:24,000) Waterbody.Category 5 alt is described as follows: Category 5. The waterbody is impaired, or […]

    2008 Impaired Streams 303 d list in Category 4a

    2018 Impaired Streams 303 d list in Category 5 Alt

    This data includes streams of Arkansas that have been assessed as Impaired Waterbodies for the listed pollutant pair(s) (Category 5 alt). It consists of a subset of the streams from the National Hydrography Dataset (NHD) High Resolution (1:24,000) Flowline. Category 5 alt is described as follows: Category 5. The waterbody is impaired, or one or […]

    2008 Impaired Streams 303 d list in Category 4a

    2018 Impaired Streams 303 d list in Category 4b

    This data includes streams of Arkansas that have been assessed as Impaired Waterbodies and have alternative plans in place for the listed pollutant pair(s) (Category 4b). It consists of a subset of the streams from the National Hydrography Dataset (NHD) High Resolution (1:24,000) Flowline. Category 4b is described as follows: Category 4. Water quality standards […]

    2008 Impaired Lakes 303 d list in Category 4a

    2018 Impaired Lakes 303 d list in Category 4a

      This data includes lakes of Arkansas that have been assessed as Impaired Waterbodies and have completed TMDLs (Total Maximum Daily Loads) for the listed pollutant pair(s) (Category 4a). It consists of a subset of the lakes from the National Hydrography Dataset (NHD) High Resolution (1:24,000) Waterbody. Category 4a is described as follows: Category 4. […]

    2008 Impaired Streams 303 d list in Category 4a

    2018 Impaired Streams 303 d list in Category 4a

      This data includes streams of Arkansas that have been assessed as Impaired Waterbodies and have completed TMDLs (Total Maximum Daily Loads) for the listed pollutant pair(s) (Category 4a). It consists of a subset of the streams from the National Hydrography Dataset (NHD) High Resolution (1:24,000) Flowline. Category 4a is described as follows: Category 4. […]

    2008 Impaired Lakes 303 d list in Category 5

    2018 Impaired Lakes 303 d list in Category 5

      This data includes lakes of Arkansas that have been assessed as Impaired Waterbodies for the listed pollutant pair(s) (Category 5). It consists of a subset of the lakes from the National Hydrography Dataset (NHD) High Resolution (1:24,000) Waterbody.Category 5 is described as follows: Category 5. The waterbody is impaired, or one or more water […]

    2008 Impaired Streams 303 d list in Category 5

    2018 Impaired Streams 303 d list in Category 5

    This data includes streams of Arkansas that have been assessed as Impaired Waterbodies for the listed pollutant pair(s) (Category 5). It consists of a subset of the streams from the National Hydrography Dataset (NHD) High Resolution (1:24,000) Flowline. Category 5 is described as follows: Category 5. The waterbody is impaired, or one or more water […]

    ADEQIMPAIRED1B

    2018 Impaired Streams 303 d list in Category 1b

    This data includes streams of Arkansas that have been assessed as meeting their water quality standards and designated uses, and have completed TMDLs (Total Maximum Daily Loads) in place for a previously impaired pollutant pair(s) (Category 1b). It consists of a subset of the streams from the National Hydrography Dataset (NHD) High Resolution (1:24,000) Flowline. […]

    Clean Water Act Section 303(d) Impaired Waters Data Update

    On behalf of the Arkansas Department of Environmental Quality (ADEQ) the Arkansas GIS Office has updated the Clean Waters Act Section 303(d) Impaired Waters and Total Maximum Daily Load Limit data for the year 2016. The EPA’s 303(d) Program assists states, territories and authorized tribes in submitting lists of impaired waters and developing TMDLs. A TMDL […]