Upper Little Missouri HUC8 10110201
A 8,994 km² sub-basin of the Missouri region in MT, ND, 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
40
Stressed
Drought index
365
Extreme
Area in D2+
94.08%
0% exceptional (D4)
Gauges below normal
100%
of 1 reporting
Median flow
30%
p14 of record
Water assets
3,384
2 springs · 474 wells
USGS gauges (1)
- LITTLE MISSOURI RIVER AT CAMP CROOK, SD063345002 cfsp14 · below normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-20 | 365 | 94.08 | 1/1 | p14 |
| 2026-10-19 | 365 | 94.08 | 1/1 | p16 |
| 2026-10-18 | 365 | 94.08 | 1/1 | p19 |
| 2026-10-17 | 365 | 94.08 | 1/1 | p19 |
| 2026-10-16 | 365 | 94.08 | 1/1 | p21 |
| 2026-10-15 | 365 | 94.08 | 1/1 | p18 |
| 2026-10-14 | 365 | 94.08 | 1/1 | p18 |
| 2026-10-13 | 365 | 94.08 | 1/1 | p23 |
| 2026-10-12 | 365 | 94.08 | 1/1 | p19 |
| 2026-10-11 | 365 | 94.08 | 1/1 | p18 |
| 2026-10-10 | 365 | 94.08 | 1/1 | p19 |
| 2026-10-09 | 365 | 94.08 | 1/1 | p20 |
| 2026-10-08 | 365 | 94.08 | 1/1 | p20 |
| 2026-10-07 | 365 | 94.08 | 0/1 | p25 |
Top water assets
- 78Benjamin F Willardriver
- 78Alfreda S Davis, Trusteewell
- 78Gerald Burghduffwell
- 78Bonnie L Hart Etalwell
- 78Painter Incriver
- 76D M Tarterriver
- 76Joe & Edith Lemireriver
- 76Kate G Scottriver
- 76Warren E Johnsonriver
- 76David Willettwell