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 2026-10-13); 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+
23.75%
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 |
|---|---|---|---|---|
| 2026-10-21 | 181 | 23.75 | — | — |
| 2026-10-20 | 181 | 23.75 | — | — |
| 2026-10-19 | 181 | 23.75 | — | — |
| 2026-10-18 | 181 | 23.75 | — | — |
| 2026-10-17 | 181 | 23.75 | — | — |
| 2026-10-16 | 181 | 23.75 | — | — |
| 2026-10-15 | 181 | 23.75 | — | — |
| 2026-10-14 | 181 | 23.75 | — | — |
| 2026-10-13 | 181 | 23.75 | — | — |
| 2026-10-12 | 181 | 23.75 | — | — |
| 2026-10-11 | 181 | 23.75 | — | — |
| 2026-10-10 | 181 | 23.75 | — | — |
| 2026-10-09 | 181 | 23.75 | — | — |
| 2026-10-08 | 181 | 23.75 | — | — |
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