Sanpoil HUC8 17020004
A 2,541 km² sub-basin of the Pacific Northwest region in WA. 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
37
Stressed
Drought index
266
Severe
Area in D2+
66%
0% exceptional (D4)
Gauges below normal
100%
of 1 reporting
Median flow
43%
p8 of record
Water assets
1,149
1 springs · 37 wells
USGS gauges (1)
- SANPOIL RIVER ABOVE JACK CREEK AT KELLER, WA1243459015 cfsp8 · much below normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 266 | 66 | 1/1 | p8 |
Top water assets
- 67South Fork Sanpoil Riverriver
- 67O'Brien Creekriver
- 67West Fork Sanpoil Riverriver
- 67O'Brien Creekriver
- 67North Fork O'Brien Creekriver
- 67Twentythree Mile Creekriver
- 67Lost Creekriver
- 67Seventeenmile Creekriver
- 67Seventeenmile Creekriver
- 67North Fork Sanpoil Riverriver