Middle Snake-Succor HUC8 17050103
A 6,065 km² sub-basin of the Pacific Northwest region in ID, OR. 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
274
Severe
Area in D2+
51.9%
5.46% exceptional (D4)
Gauges below normal
100%
of 1 reporting
Median flow
75%
p10 of record
Water assets
966
79 springs · 511 wells
USGS gauges (2)
- SNAKE RIVER NR MURPHY ID131725005,770 cfsp10 · much below normal
- SNAKE RIVER BL CJ STRIKE DAM NR GRAND VIEW ID131716205,910 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 274 | 51.9 | 1/1 | p10 |
Top water assets
- 73Mcbride Creek — Irrigationspring
- 69Succor Creekriver
- 69Succor Creekriver
- 69Succor Creekriver
- 69Cottonwood Creekriver
- 69Succor Creekriver
- 69Succor Creekriver
- 69South Fork Castle Creekriver
- 69South Fork Castle Creekriver
- 69Succor Creekriver