Pahsimeroi HUC8 17060202
A 2,151 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
55
Moderate
Drought index
139
Moderate
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
100%
of 1 reporting
Median flow
86%
p21 of record
Water assets
268
8 springs · 146 wells
USGS gauges (1)
- PAHSIMEROI RIVER AT ELLIS ID13302005132 cfsp21 · below normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 139 | 0 | 1/1 | p21 |
Top water assets
- 69Big Creekriver
- 69Patterson Creekriver
- 69Tater Creekriver
- 69Donkey Creekriver
- 69Morse Creekriver
- 69Doublespring Creekriver
- 69Pahsimeroi Riverriver
- 69Patterson Creekriver
- 69Patterson Creekriver
- 69Pahsimeroi Riverriver