Lower Ouachita HUC8 08040207
A 1,909 km² sub-basin of the Lower Mississippi region in 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
68
Moderate
Drought index
215
Severe
Area in D2+
15.19%
0% exceptional (D4)
Gauges below normal
0%
of 1 reporting
Median flow
58%
p29 of record
Water assets
1,098
2 springs · 750 wells
USGS gauges (1)
- Ouachita River at West Monroe, LA073670053,080 cfsp29 · normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 215 | 15.19 | 0/1 | p29 |
Top water assets
- 66Bayou Desiard Damreservoir
- 66Bushley Bayou Damreservoir
- 65Brushy Lakereservoir
- 65Bayou Desiard Bartholomew Damreservoir
- 65Wallace Lake - Catahoula Damreservoir
- 65Bayou Desiard Midwayreservoir
- 65Restoration Park Damreservoir
- 65Hannas Run Damreservoir
- 65Ouachita River At West Monroe, Lariver
- 65West Lake Subdivision Damreservoir