Lower Arkansas HUC8 08020401
A 1,794 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
37
Stressed
Drought index
344
Extreme
Area in D2+
100%
5% exceptional (D4)
Gauges below normal
—
no gauges reporting
Median flow
—
of normal for the date
Water assets
2,451
0 springs · 2,295 wells
USGS gauges (3)
- WABBASEKA BAYOU AT WABBASEKA, ARK.07263875no readingno long-term record
- Salt Bayou Ditch nr Humphrey, AR072638782 cfsno long-term record
- Fish Lake Ditch near Altheimer, AR07263880544 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 344 | 100 | — | — |
Top water assets
- 66Wilbur D. Mills Lock And Damreservoir
- 65Moore Bayouriver
- 65Wabbaseka Bayouriver
- 65Arkansas Riverriver
- 65Flat Bayouriver
- 65Flat Bayouriver
- 65Fish Lake Ditch Near Altheimer, Arriver
- 65Joe Hardin Lock And Damreservoir
- 65Flat Bayouriver
- 65Flat Bayouriver