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 2026-10-13); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.
Health score
83
Healthy
Drought index
24
Abnormally dry
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 2 reporting
Median flow
83%
p33 of record
Water assets
1,227
13 springs · 437 wells
USGS gauges (3)
- Kootenai River bl Libby Dam nr Libby MT123019334,530 cfsp30 · normal
- Tobacco River at Eureka, MT1230125079 cfsp36 · normal
- Lake Creek at Troy MT12303500600 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-20 | 24 | 0 | 0/2 | p33 |
| 2026-10-19 | 24 | 0 | 0/2 | p31 |
| 2026-10-18 | 24 | 0 | 0/2 | p36 |
| 2026-10-17 | 24 | 0 | 0/2 | p35 |
| 2026-10-16 | 24 | 0 | 0/2 | p42 |
| 2026-10-15 | 24 | 0 | 0/2 | p42 |
| 2026-10-14 | 24 | 0 | 0/2 | p41 |
| 2026-10-13 | 24 | 0 | 0/2 | p42 |
| 2026-10-12 | 24 | 0 | 1/2 | p43 |
| 2026-10-11 | 24 | 0 | 0/2 | p46 |
| 2026-10-10 | 24 | 0 | 0/2 | p48 |
| 2026-10-09 | 24 | 0 | 0/2 | p46 |
| 2026-10-08 | 59 | 0 | 0/2 | p49 |
| 2026-10-07 | 59 | 0 | 0/2 | p51 |
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