Stillwater HUC8 17010210
A 2,018 km² sub-basin of the Pacific Northwest 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
84
Healthy
Drought index
0
None
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 1 reporting
Median flow
80%
p29 of record
Water assets
537
4 springs · 210 wells
USGS gauges (2)
- Stillwater River at Lawrence Park, at Kalispell1236570076 cfsp29 · normal
- Whitefish River near Kalispell MT1236600067 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-22 | 0 | 0 | 0/1 | p29 |
| 2026-10-21 | 0 | 0 | 0/1 | p33 |
| 2026-10-20 | 0 | 0 | 0/1 | p32 |
| 2026-10-19 | 0 | 0 | 0/1 | p35 |
| 2026-10-18 | 0 | 0 | 0/1 | p34 |
| 2026-10-17 | 0 | 0 | 0/1 | p35 |
| 2026-10-16 | 0 | 0 | 0/1 | p35 |
| 2026-10-15 | 0 | 0 | 0/1 | p37 |
| 2026-10-14 | 0 | 0 | 0/1 | p42 |
| 2026-10-13 | 0 | 0 | 0/1 | p41 |
| 2026-10-12 | 0 | 0 | 0/1 | p42 |
| 2026-10-11 | 0 | 0 | 0/1 | p46 |
| 2026-10-10 | 0 | 0 | 0/1 | p45 |
| 2026-10-09 | 0 | 0 | 0/1 | p51 |
Top water assets
- 69Stillwater Riverriver
- 69Stillwater Riverriver
- 67West Fork Swift Creekriver
- 67Griffin Creekriver
- 67Swift Creekriver
- 67Swift Creekriver
- 67Good Creekriver
- 67Whitefish River Near Kalispell Mtriver
- 67Stillwater River At Lawrence Park, At Kalispellriver
- 67Lefthand Creekriver