Home to approximately 62,000 Arkansans (2000 Census), the Upper Ouachita watershed lies within the Ouachita River Basin in Central Southwestern Arkansas. The hydrologic unit code for this watershed is 08040102. Upstream are two watersheds: the Ouachita Headwaters (08040101), and the Little Missouri (08040103). The Lower Ouachita- Smackover (08040201) is downstream. |
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County Pages (Contact Information) |
Major Streams | 2006 Land Use (1,738 Square Miles) |
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Upper Ouachita 303d Impaired Streams (what is an impaired stream?)
Total Maximum Daily Load (TMDL) Documents (what is a TMDL?)
More Watershed-Related Information
- CAST Arkansas Watershed Information System: Upper Ouachita
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EPA Surf Your Watershed: Upper Ouachita
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USGS Real Time Stream Flow: Upper Ouachita
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USGS Links to Water Quality & Groundwater Monitoring Sites: Upper Ouachita
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Environmental Statistics Group (Montana State University): Upper Ouachita