Blackfoot HUC8 17010203
A 5,990 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 3 reporting
Median flow
111%
p73 of record
Water assets
963
10 springs · 196 wells
USGS gauges (3)
- Blackfoot River near Bonner MT12340000586 cfsp42 · normal
- Blackfoot R ab Nevada Cr nr Helmville MT12335100181 cfsp73 · normal
- NF Blackfoot R ab Dry Gulch nr Ovando MT12338300166 cfsp76 · above normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-22 | 0 | 0 | 0/3 | p73 |
| 2026-10-21 | 0 | 0 | 0/3 | p69 |
| 2026-10-20 | 0 | 0 | 0/3 | p76 |
| 2026-10-19 | 0 | 0 | 0/3 | p75 |
| 2026-10-18 | 0 | 0 | 0/3 | p75 |
| 2026-10-17 | 0 | 0 | 0/3 | p75 |
| 2026-10-16 | 0 | 0 | 0/3 | p76 |
| 2026-10-15 | 0 | 0 | 0/3 | p75 |
| 2026-10-14 | 0 | 0 | 0/3 | p75 |
| 2026-10-13 | 0 | 0 | 0/3 | p76 |
| 2026-10-12 | 0 | 0 | 0/3 | p76 |
| 2026-10-11 | 0 | 0 | 0/3 | p75 |
| 2026-10-10 | 0 | 0 | 0/3 | p75 |
| 2026-10-09 | 0 | 0 | 0/3 | p75 |
Top water assets
- 69Landers Forkriver
- 69Meadow Creekriver
- 69North Fork Cottonwood Creekriver
- 69Landers Forkriver
- 69Blackfoot Riverriver
- 69Dunham Creekriver
- 69Copper Creekriver
- 69Monture Creekriver
- 69Gold Creekriver
- 69Douglas Creekriver