Lower Ouachita- Smackover Watershed - 08040201

Lower Ouachita- Smackover Watershed - 08040201

Home to approximately 67,000 Arkansans (2000 Census), the Lower Ouachita-Smackover watershed lies within the Ouachita River Basin in Southern Arkansas. The hydrologic unit code for this watershed is 08040201. Upstream is the Upper Ouachita (08040102). The Lower Ouachita- Bayou De Loutre (08040202) is downstream.

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County Pages (Contact Information)	Major Streams	2006 Land Use (1797 Square Miles)
Bradley Calhoun Cleveland Columbia Dallas Nevada Ouachita Union	Camp Creek Campagnolle Creek Moro Creek Ouachita River Smackover Creek	Forest: 76.6% Transitional: 15.3% Grassland: 6.3% Suburban: 1.5% Water: 0.8% Urban: 0.2% Cropland: 0.0% Data Source: CAST

Lower Ouachita - Smackover 303d Impaired Streams (what is an impaired stream?)

Total Maximum Daily Load (TMDL) Documents (what is a TMDL?)

TMDLs for Chloride, Sulfate, and TDS in Flat Creek and Salt Creek, reaches -706 and -806, 10/2003 (EPA)

More Watershed-Related Information

CAST Arkansas Watershed Information System: Lower Ouachita-Smackover
EPA Surf Your Watershed: Lower Ouachita-Smackover
USGS Real Time Stream Flow: Lower Ouachita-Smackover
USGS Links to Water Quality & Groundwater Monitoring Sites: Lower Ouachita-Smackover
Environmental Statistics Group (Montana State University): Lower Ouachita-Smackover
A Survey of the Fish Community in the Lower Ouachita River, Arkansas. J. Wise, S. Fillipek, J. Giese, B. Keith and D. Turman, 1993, 47 p.
An Evaluation of the Mussel Community in the Lower Ouachita River. W.R. Posey, J.L. Harris and G.L. Harp, 1996, 26 p.
Ammonia Investigation, Ouachita River. ADEQ Water Division, 1996, 17 p.

Announcements

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 (PDF) here
The projects presented at the 2015 annual NPS conference are located here

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