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 2026-10-13); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.
Health score
69
Moderate
Drought index
217
Severe
Area in D2+
16.58%
0% exceptional (D4)
Gauges below normal
0%
of 2 reporting
Median flow
79%
p42 of record
Water assets
3,325
10 springs · 1,501 wells
USGS gauges (2)
- MOREAU RIVER NEAR FAITH, SD063595006 cfsp39 · normal
- MOREAU RIVER NEAR WHITEHORSE, SD063605002 cfsp45 · normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-21 | 217 | 16.58 | 0/2 | p42 |
| 2026-10-20 | 217 | 16.58 | 0/2 | p45 |
| 2026-10-19 | 217 | 16.58 | 0/2 | p43 |
| 2026-10-18 | 217 | 16.58 | 0/2 | p44 |
| 2026-10-17 | 217 | 16.58 | 0/2 | p44 |
| 2026-10-16 | 217 | 16.58 | 0/2 | p43 |
| 2026-10-15 | 217 | 16.58 | 0/2 | p45 |
| 2026-10-14 | 217 | 16.58 | 0/2 | p45 |
| 2026-10-13 | 217 | 16.58 | 0/2 | p45 |
| 2026-10-12 | 217 | 16.58 | 0/2 | p47 |
| 2026-10-11 | 217 | 16.58 | 0/2 | p51 |
| 2026-10-10 | 217 | 16.58 | 0/2 | p55 |
| 2026-10-09 | 217 | 16.58 | 0/2 | p56 |
| 2026-10-08 | 252 | 52.11 | 0/2 | p58 |
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