Upper Salmon HUC8 17060201
A 6,279 km² sub-basin of the Pacific Northwest region in ID. 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
71
Moderate
Drought index
117
Moderate
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
20%
of 5 reporting
Median flow
113%
p69 of record
Water assets
954
68 springs · 251 wells
USGS gauges (6)
- THOMPSON CREEK NR CLAYTON ID132973303 cfsp21 · below normal
- Paasasikwana Naokwaide bl Bruno Ck132973558 cfsp25 · normal
- SALMON RIVER BL YANKEE FORK NR CLAYTON ID13296500511 cfsp69 · normal
- YANKEE FORK SALMON RIVER NR CLAYTON ID1329600081 cfsp75 · above normal
- VALLEY CREEK AT STANLEY ID13295000129 cfsp80 · above normal
- BRUNO CREEK NR CLAYTON ID132973500 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 117 | 0 | 1/5 | p69 |
Top water assets
- 69Bear Creekriver
- 69Salmon River Ab East Fork Nr Clayton Idriver
- 69Salmon River Bl Yankee Fork Nr Clayton Idriver
- 69Salmon Riverriver
- 69Yankee Fork Salmon River Nr Clayton Idriver
- 69Valley Creek At Stanley Idriver
- 69Salmon Riverriver
- 69Thompson Creek Nr Clayton Idriver
- 69Paasasikwana Naokwaide Bl Bruno Ckriver
- 69Prospect Creekriver