Raft HUC8 17040210
A 3,820 km² sub-basin of the Pacific Northwest region in ID, UT. 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
33
Stressed
Drought index
449
Exceptional
Area in D2+
100%
49.33% exceptional (D4)
Gauges below normal
100%
of 1 reporting
Median flow
47%
p12 of record
Water assets
1,208
262 springs · 440 wells
USGS gauges (2)
- RAFT RIVER AB ONEMILE CREEK NR MALTA ID130780002 cfsp12 · below normal
- CASSIA CREEK BELOW BLACKSMITH CK, ID130793004 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 449 | 100 | 1/1 | p12 |
Top water assets
- 78West Branch George Creek — Isriver
- 78George Creek — Isriver
- 78George Creek — Isriver
- 75Underground Water Well — Iswell
- 74South Fork Raft River (Junction Crk) — Isriver
- 74West Branch George Creek — Isriver
- 74Barnes Creek — Isriver
- 74S. Fork Raft River (Junction Creek) — Iriver
- 74Clear Creek — Iriver
- 74South Fork Raft River (Junction Crk) — Isriver