Stillwater HUC8 10070005
A 2,764 km² sub-basin of the Missouri region in MT. 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
74
Moderate
Drought index
126
Moderate
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 3 reporting
Median flow
107%
p58 of record
Water assets
756
27 springs · 94 wells
USGS gauges (3)
- Stillwater River near Absarokee, MT06205000424 cfsp29 · normal
- West Rosebud Creek near Roscoe MT0620405088 cfsp58 · normal
- W Rosebud Cr at Emerald Lk Campground nr Roscoe0620407091 cfsp62 · normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-21 | 126 | 0 | 0/3 | p58 |
| 2026-10-20 | 126 | 0 | 1/3 | p61 |
| 2026-10-19 | 126 | 0 | 1/3 | p58 |
| 2026-10-18 | 126 | 0 | 1/3 | p57 |
| 2026-10-17 | 126 | 0 | 1/3 | p57 |
| 2026-10-16 | 126 | 0 | 0/3 | p57 |
| 2026-10-15 | 151 | 0 | 0/3 | p55 |
| 2026-10-14 | 151 | 0 | 0/3 | p55 |
| 2026-10-13 | 151 | 0 | 0/3 | p53 |
| 2026-10-12 | 151 | 0 | 0/3 | p51 |
| 2026-10-11 | 151 | 0 | 1/3 | p47 |
| 2026-10-10 | 151 | 0 | 1/3 | p49 |
| 2026-10-09 | 151 | 0 | 1/3 | p47 |
| 2026-10-08 | 181 | 9.76 | 1/3 | p52 |
Top water assets
- 69East Rosebud Creekriver
- 69East Rosebud Creekriver
- 69Fishtail Creekriver
- 69Little Rocky Creekriver
- 69East Rosebud Creekriver
- 69East Rosebud Creekriver
- 69West Rosebud Creek Near Roscoe Mtriver
- 69East Rosebud Creekriver
- 69W Rosebud Cr At Emerald Lk Campground Nr Roscoeriver
- 69East Rosebud Creekriver