Lower Ouachita-Bayou De Loutre HUC8 08040202
A 3,402 km² sub-basin of the Lower Mississippi region in AR, LA. 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
67
Moderate
Drought index
256
Severe
Area in D2+
55.96%
0% exceptional (D4)
Gauges below normal
0%
of 1 reporting
Median flow
111%
p59 of record
Water assets
857
1 springs · 411 wells
USGS gauges (1)
- Ouachita River at Felsenthal L&D (lower)073640784,480 cfsp59 · normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 256 | 55.96 | 0/1 | p59 |
Top water assets
- 77Sparta Aquifer Fossil Water — Northern Louisianafossil_water
- 65Lock And Dam No 6reservoir
- 65Ouachita Riverriver
- 65Arnoname 56reservoir
- 65Frank Lapere Creekriver
- 65Lucas Pond Damreservoir
- 65Mill Pond Damreservoir
- 65Felsenthal Lock And Damreservoir
- 65Ouachita River At Felsenthal L&D (Lower)river
- 65Bussy Brake Lakereservoir