North Fork Snake HUC8 10160007
A 2,480 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
55
Moderate
Drought index
181
Moderate
Area in D2+
23.83%
0% exceptional (D4)
Gauges below normal
—
no gauges reporting
Median flow
—
of normal for the date
Water assets
1,141
0 springs · 983 wells
USGS gauges (0)
No active discharge gauges in this sub-basin.
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 181 | 23.83 | — | — |
Top water assets
- 76Otto Stotzwell
- 76Glenn Williamswell
- 76Robert Pondwell
- 76Jeffrey Amanwell
- 76Pembrook Farmers Coopwell
- 76Thunderbird Colonywell
- 76Blumengard Httrn Brthwell
- 73Gerald Guthmillerwell
- 73Donald G/Marlyn Stotzwell
- 73James H. Spindlerwell