Bad HUC8 10140102
A 8,226 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
65
Moderate
Drought index
131
Moderate
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 1 reporting
Median flow
—
p95 of record
Water assets
3,727
5 springs · 593 wells
USGS gauges (3)
- BAD RIVER NEAR FORT PIERRE, SD064415006 cfsp95 · much above normal
- SOUTH FORK BAD RIVER NEAR COTTONWOOD, SD064402000 cfsno long-term record
- PLUM CREEK BELOW HAYES, SD064411100 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-21 | 131 | 0 | 0/1 | p95 |
| 2026-10-20 | 131 | 0 | 0/1 | p94 |
| 2026-10-19 | 131 | 0 | 1/2 | p51 |
| 2026-10-18 | 131 | 0 | 1/2 | p53 |
| 2026-10-17 | 131 | 0 | 1/2 | p53 |
| 2026-10-16 | 131 | 0 | 1/2 | p51 |
| 2026-10-15 | 131 | 0 | 0/1 | p95 |
| 2026-10-14 | 131 | 0 | 0/1 | p90 |
| 2026-10-13 | 131 | 0 | 1/2 | p52 |
| 2026-10-12 | 131 | 0 | 1/2 | p52 |
| 2026-10-11 | 131 | 0 | 1/2 | p52 |
| 2026-10-10 | 131 | 0 | 1/2 | p52 |
| 2026-10-09 | 131 | 0 | 1/2 | p51 |
| 2026-10-08 | 131 | 0 | 1/2 | p50 |
Top water assets
- 78Robert Berryriver
- 76Finn Farm Incriver
- 76Gaylord Saucermanwell
- 76Virgil Hortonwell
- 76W Scott Gundersonriver
- 76Regina Iversenriver
- 76George E Haukwell
- 76Willard Bloomwell
- 76Peno Farms Incwell
- 76Donald E Posswell