Beaver HUC8 10120107
A 4,312 km² sub-basin of the Missouri region in SD, WY. 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
56
Moderate
Drought index
211
Severe
Area in D2+
11.34%
0% exceptional (D4)
Gauges below normal
—
no gauges reporting
Median flow
—
of normal for the date
Water assets
2,530
182 springs · 529 wells
USGS gauges (0)
No active discharge gauges in this sub-basin.
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-20 | 211 | 11.34 | — | — |
| 2026-10-19 | 211 | 11.34 | — | — |
| 2026-10-18 | 211 | 11.34 | — | — |
| 2026-10-17 | 211 | 11.34 | — | — |
| 2026-10-16 | 211 | 11.34 | — | — |
| 2026-10-15 | 211 | 11.34 | — | — |
| 2026-10-14 | 211 | 11.34 | — | — |
| 2026-10-13 | 211 | 11.34 | — | — |
| 2026-10-12 | 211 | 11.34 | — | — |
| 2026-10-11 | 211 | 11.34 | — | — |
| 2026-10-10 | 211 | 11.34 | — | — |
| 2026-10-09 | 211 | 11.34 | — | — |
| 2026-10-08 | 211 | 11.34 | — | — |
| 2026-10-07 | 211 | 11.34 | — | — |
Top water assets
- 76Gcc Dacotah Incriver
- 76Barnard & Lowhamriver
- 76Ira & Anna Pickettwell
- 76Henry C Hollenbeckwell
- 76Wilbur Hasartspring
- 76Donald J/Lynda J Andersenriver
- 76John A Putnamriver
- 76Lloyd Putnamriver
- 73Cora Calvertspring
- 73City Of Newcastlespring