Lower Moreau HUC8 10130306
A 6,884 km² sub-basin of the Missouri region in SD. 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
52
Moderate
Drought index
312
Extreme
Area in D2+
84.26%
0% exceptional (D4)
Gauges below normal
50%
of 2 reporting
Median flow
11%
p18 of record
Water assets
3,325
10 springs · 1,501 wells
USGS gauges (2)
- MOREAU RIVER NEAR WHITEHORSE, SD063605000 cfsp10 · below normal
- MOREAU RIVER NEAR FAITH, SD063595001 cfsp26 · normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 312 | 84.26 | 1/2 | p18 |
Top water assets
- 78Veal Black Angus Ranchriver
- 76Ray Masonriver
- 76Veal Black Angus Ranchriver
- 76Archie/Owen Mc Lellanriver
- 76Delbert Woodwardriver
- 76Jack Jewettwell
- 76Gary R Larsonriver
- 76Melvin W. Spencerriver
- 76Melvin W Spencerriver
- 76Roy Brownriver