Middle Kootenai HUC8 17010101
A 9,537 km² sub-basin of the Pacific Northwest region in CN, ID, MT. Drought coverage is from the US Drought Monitor (map of 2026-09-01); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.
Health score
71
Moderate
Drought index
162
Moderate
Area in D2+
3.99%
0% exceptional (D4)
Gauges below normal
0%
of 2 reporting
Median flow
111%
p56 of record
Water assets
1,227
13 springs · 437 wells
USGS gauges (3)
- Kootenai River bl Libby Dam nr Libby MT123019336,760 cfsp34 · normal
- Tobacco River at Eureka, MT1230125098 cfsp79 · above normal
- Lake Creek at Troy MT12303500600 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 162 | 3.99 | 0/2 | p56 |
Top water assets
- 69North Fork Deep Creekriver
- 69Flower Creekriver
- 69Blacktail Creekriver
- 69Miller Creekriver
- 67Canyon Creekriver
- 67Kootenai Dvlpmnt Impoundment Damreservoir
- 67Keeler Creekriver
- 67Star Creekriver
- 67Tobacco River At Eureka, Mtriver
- 67Kootenai River Bl Libby Dam Nr Libby Mtriver