Lower Black Watershed - 11010009

Home to approximately 22,000 Arkansans (2000 Census), the Lower Black watershed lies within the White River Basin in Northeast Arkansas crossing into Oklahoma.  The hydrologic unit code for this watershed is 11010009.  There are four upstream watersheds: the Upper Black (11010007), the Current (11010008), the Spring (11010010), and the Strawberry (11010012).  The Upper White-Village (11010013) is downstream.

State-Level Map - Lower Black Watershed-Level Map - Lower Black Watershed Land Use Map - Lower Black
County Pages
(Contact Information)
Major Streams 2006 Land Use
(670 Square Miles)
  • Big Running Creek
  • Black River
  • Fourche River
  • Forest: 36.1%
  • Cropland: 30.9%
  • Grassland: 27.2%
  • Transitional: 4.5%
  • Water: 1.7%
  • Suburban: 1.2%
  • Urban: 0.5%

Data Source: CAST

Lower Black 303d Impaired Streams (what is an impaired stream?)


More Watershed-Related Information


  • Clean Water Act Section 303(d) Impaired Waters Data Update here
  • Arkansas’s Final/ Draft Impaired Waterbodies – 303(d) List by Year here
  • AR Water Newsletter, Summer, 2015 here
  • NPS Management Plan here
  • The projects presented at the 2015 annual NPS conference are located here

Interactive Map

Interactive Watershed Viewer
Explore your county or watershed with this flash-based interactive map.  View over 25 geographic and water-related layers. Open Interactive Watershed Viewer.