Mud HUC8 10160005
A 2,171 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
71
Moderate
Drought index
15
Abnormally dry
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
—
no gauges reporting
Median flow
—
of normal for the date
Water assets
818
0 springs · 740 wells
USGS gauges (0)
No active discharge gauges in this sub-basin.
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 15 | 0 | — | — |
Top water assets
- 76Peterson Farms Incwell
- 76Duane Reinhardtriver
- 76Bret Fliehswell
- 76Ivan Morehousewell
- 76George J Dyllawell
- 76George J Dyllawell
- 76Bret Fliehswell
- 76Gary Vosswell
- 73Ward Lemmonwell
- 73City Of Grotonwell