Upper Spokane HUC8 17010305
A 1,523 km² sub-basin of the Pacific Northwest region in ID, 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
31
Stressed
Drought index
359
Extreme
Area in D2+
100%
0% exceptional (D4)
Gauges below normal
100%
of 4 reporting
Median flow
65%
p10 of record
Water assets
3,030
5 springs · 2,763 wells
USGS gauges (4)
- Spokane River at Spokane, WA12422500722 cfsp9 · much below normal
- SPOKANE RIVER BELOW N GREENE ST AT SPOKANE, WA12422000811 cfsp9 · much below normal
- SPOKANE RIVER BLW BLACKWELL NR COEUR D ALENE ID12417650783 cfsp12 · below normal
- Spokane River near Post Falls, ID12419000517 cfsp23 · below normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 359 | 100 | 4/4 | p10 |
Top water assets
- 67Chester Creekriver
- 67Cable Creekriver
- 67Chester Creekriver
- 67Thompson Creekriver
- 67East Fork Hayden Creekriver
- 67Cable Creekriver
- 67Spokane River Near Post Falls, Idriver
- 67Spokane River Blw Blackwell Nr Coeur D Alene Idriver
- 67Shaw Creekriver
- 67Quinnamose Creekriver