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Ouachita Headwaters HUC8 08040101

A 4,010 km² sub-basin of the Lower Mississippi region in AR. Drought coverage is from the US Drought Monitor (map of 2026-09-01); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.

Health score
44
Stressed
Drought index
289
Severe
Area in D2+
88.44%
0% exceptional (D4)
Gauges below normal
75%
of 4 reporting
Median flow
49%
p11 of record
Water assets
956
119 springs · 180 wells

USGS gauges (9)

Recent conditions

DateDSCID2+ %Gauges lowFlow pct
2026-09-0728988.443/4p11

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