Lower Spokane HUC8 17010307
A 2,313 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
47
Stressed
Drought index
280
Severe
Area in D2+
75.46%
0% exceptional (D4)
Gauges below normal
50%
of 2 reporting
Median flow
81%
p23 of record
Water assets
3,432
26 springs · 2,516 wells
USGS gauges (2)
- SPOKANE RIVER BELOW NINE MILE DAM AT SPOKANE, WA12426000950 cfsp10 · much below normal
- CHAMOKANE CREEK BELOW FALLS NEAR LONG LAKE, WA1243320025 cfsp37 · normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 280 | 75.46 | 1/2 | p23 |
Top water assets
- 67Coulee Creekriver
- 67South Fork Chamokane Creekriver
- 67North Fork Chamokane Creekriver
- 67Sheep Creekriver
- 67South Fork Chamokane Creekriver
- 67Coulee Creekriver
- 67Coulee Creekriver
- 67Deep Creekriver
- 67Deep Creekriver
- 67North Fork Chamokane Creekriver