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 2026-10-13); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.
Health score
80
Healthy
Drought index
44
Abnormally dry
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 3 reporting
Median flow
137%
p78 of record
Water assets
1,714
20 springs · 276 wells
USGS gauges (3)
- Smith River near Eden MT06077500157 cfsp61 · normal
- Smith River near Ft Logan MT06076690153 cfsp78 · above normal
- Smith River bl Eagle Cr nr Fort Logan MT06077200186 cfsp78 · above normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-20 | 44 | 0 | 0/3 | p78 |
| 2026-10-19 | 44 | 0 | 0/3 | p79 |
| 2026-10-18 | 44 | 0 | 0/3 | p65 |
| 2026-10-17 | 44 | 0 | 0/3 | p51 |
| 2026-10-16 | 44 | 0 | 0/3 | p49 |
| 2026-10-15 | 80 | 0 | 0/3 | p47 |
| 2026-10-14 | 80 | 0 | 0/3 | p50 |
| 2026-10-13 | 80 | 0 | 0/3 | p52 |
| 2026-10-12 | 80 | 0 | 0/3 | p63 |
| 2026-10-11 | 80 | 0 | 1/3 | p52 |
| 2026-10-10 | 80 | 0 | 2/3 | p23 |
| 2026-10-09 | 80 | 0 | 3/3 | p20 |
| 2026-10-08 | 80 | 0 | 3/3 | p20 |
| 2026-10-07 | 80 | 0 | 3/3 | p15 |
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