Smith HUC8 10030103
A 5,197 km² sub-basin of the Missouri region in 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
65
Moderate
Drought index
115
Moderate
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
67%
of 3 reporting
Median flow
62%
p23 of record
Water assets
1,714
20 springs · 276 wells
USGS gauges (3)
- Smith River near Ft Logan MT0607669045 cfsp18 · below normal
- Smith River near Eden MT0607750064 cfsp23 · below normal
- Smith River bl Eagle Cr nr Fort Logan MT0607720073 cfsp30 · normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 115 | 0 | 2/3 | p23 |
Top water assets
- 69Big Birch Creekriver
- 69Antelope Creekriver
- 69Camas Creekriver
- 69Antelope Creekriver
- 69Eagle Creekriver
- 69Big Camas Creekriver
- 69Elk Creekriver
- 69Fourmile Creekriver
- 69Calf Creekriver
- 69Calf Creekriver