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 (1:124,000) Flowline.

Category 4b is described as follows:

Category 4. Water quality standards are not attained for one or more designated uses but the development of a TMDL is not required because:

Category 4b. Other pollution control requirements are expected to result in the attainment of the water quality standard

Data and Resources

Field Value
dcat_issued 2026-04-14T20:21:20.000Z
dcat_modified 2026-07-21T20:56:42.000Z
dcat_publisher_name Arkansas GIS Office
guid https://www.arcgis.com/home/item.html?id=076e5daee1674b1cb43bd81c71ee13de&sublayer=36
Tags
  • FWHYDROGRAPHY
  • NHD
  • base water
  • inlandWaters
  • water
isopen False
metadata_created 2026-08-18T14:14:46.527440
metadata_modified 2026-08-19T14:31:20.063435
notes <div style='text-align:Left;'><div><div><p style='margin:0 0 0 0;'><span>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 (1:124,000) Flowline. </span></p><p style='margin:0 0 0 0;'><span>Category 4b is described as follows: </span></p><p style='margin:0 0 8 0;'><span>Category 4. Water quality standards are not attained for one or more designated uses but the development of a TMDL is not required because:</span></p><p style='margin:0 0 0 0;'><span>Category 4b. Other pollution control requirements are expected to result in the attainment of the water quality standard</span></p></div></div></div>
num_resources 7
num_tags 5
title 2018 Impaired Streams 303 d list in Category 4b
url https://arkansas-gis-hub-beta-agio.hub.arcgis.com/datasets/AGIO::2018-impaired-streams-303-d-list-in-category-4b