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 2026-10-13); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.
Health score
41
Stressed
Drought index
353
Extreme
Area in D2+
100%
0% exceptional (D4)
Gauges below normal
75%
of 4 reporting
Median flow
68%
p20 of record
Water assets
3,030
5 springs · 2,763 wells
USGS gauges (4)
- Spokane River at Spokane, WA124225001,400 cfsp10 · below normal
- SPOKANE RIVER BELOW N GREENE ST AT SPOKANE, WA124220001,380 cfsp19 · below normal
- Spokane River near Post Falls, ID124190001,140 cfsp20 · below normal
- SPOKANE RIVER BLW BLACKWELL NR COEUR D ALENE ID124176501,400 cfsp28 · normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-19 | 353 | 100 | 3/4 | p20 |
| 2026-10-18 | 353 | 100 | 4/4 | p14 |
| 2026-10-17 | 353 | 100 | 4/4 | p16 |
| 2026-10-16 | 353 | 100 | 4/4 | p12 |
| 2026-10-15 | 353 | 100 | 3/4 | p17 |
| 2026-10-14 | 353 | 100 | 3/4 | p15 |
| 2026-10-13 | 353 | 100 | 3/4 | p16 |
| 2026-10-12 | 353 | 100 | 4/4 | p10 |
| 2026-10-11 | 353 | 100 | 4/4 | p15 |
| 2026-10-10 | 353 | 100 | 3/4 | p18 |
| 2026-10-09 | 353 | 100 | 3/4 | p21 |
| 2026-10-08 | 353 | 100 | 3/4 | p16 |
| 2026-10-07 | 353 | 100 | 3/4 | p17 |
| 2026-10-06 | 353 | 100 | 4/4 | p14 |
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