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 2026-10-13); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.
Health score
31
Stressed
Drought index
405
Exceptional
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, AR072638780 cfsno long-term record
- Fish Lake Ditch near Altheimer, AR07263880527 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-20 | 405 | 100 | — | — |
| 2026-10-19 | 405 | 100 | — | — |
| 2026-10-18 | 405 | 100 | — | — |
| 2026-10-17 | 405 | 100 | — | — |
| 2026-10-16 | 405 | 100 | — | — |
| 2026-10-15 | 383 | 100 | — | — |
| 2026-10-14 | 383 | 100 | — | — |
| 2026-10-13 | 383 | 100 | — | — |
| 2026-10-12 | 383 | 100 | — | — |
| 2026-10-11 | 383 | 100 | — | — |
| 2026-10-10 | 383 | 100 | — | — |
| 2026-10-09 | 383 | 100 | — | — |
| 2026-10-08 | 363 | 100 | — | — |
| 2026-10-07 | 363 | 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