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 2026-10-13); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.
Health score
52
Moderate
Drought index
280
Severe
Area in D2+
75.52%
0% exceptional (D4)
Gauges below normal
50%
of 2 reporting
Median flow
86%
p32 of record
Water assets
3,432
26 springs · 2,516 wells
USGS gauges (2)
- SPOKANE RIVER BELOW NINE MILE DAM AT SPOKANE, WA124260001,620 cfsp18 · below normal
- CHAMOKANE CREEK BELOW FALLS NEAR LONG LAKE, WA1243320028 cfsp46 · normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-20 | 280 | 75.52 | 1/2 | p32 |
| 2026-10-19 | 280 | 75.52 | 1/2 | p28 |
| 2026-10-18 | 280 | 75.52 | 1/2 | p21 |
| 2026-10-17 | 280 | 75.52 | 1/2 | p23 |
| 2026-10-16 | 280 | 75.52 | 1/2 | p25 |
| 2026-10-15 | 280 | 75.52 | 1/2 | p21 |
| 2026-10-14 | 280 | 75.52 | 1/2 | p23 |
| 2026-10-13 | 280 | 75.52 | 1/2 | p27 |
| 2026-10-12 | 280 | 75.52 | 1/2 | p27 |
| 2026-10-11 | 280 | 75.52 | 1/2 | p28 |
| 2026-10-10 | 280 | 75.52 | 0/2 | p30 |
| 2026-10-09 | 280 | 75.52 | 1/2 | p29 |
| 2026-10-08 | 280 | 75.52 | 1/2 | p28 |
| 2026-10-07 | 280 | 75.52 | 1/2 | p25 |
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