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 2026-10-13); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.
Health score
53
Moderate
Drought index
7
Abnormally dry
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
100%
of 1 reporting
Median flow
72%
p9 of record
Water assets
268
8 springs · 146 wells
USGS gauges (1)
- PAHSIMEROI RIVER AT ELLIS ID13302005192 cfsp9 · much below normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-20 | 7 | 0 | 1/1 | p9 |
| 2026-10-19 | 7 | 0 | 1/1 | p9 |
| 2026-10-18 | 7 | 0 | 1/1 | p9 |
| 2026-10-17 | 7 | 0 | 1/1 | p10 |
| 2026-10-16 | 7 | 0 | 1/1 | p10 |
| 2026-10-15 | 67 | 0 | 1/1 | p10 |
| 2026-10-14 | 67 | 0 | 1/1 | p10 |
| 2026-10-13 | 67 | 0 | 1/1 | p10 |
| 2026-10-12 | 67 | 0 | 1/1 | p10 |
| 2026-10-11 | 67 | 0 | 1/1 | p9 |
| 2026-10-10 | 67 | 0 | 1/1 | p10 |
| 2026-10-09 | 67 | 0 | 1/1 | p10 |
| 2026-10-08 | 67 | 0 | 1/1 | p16 |
| 2026-10-07 | 67 | 0 | 1/1 | p16 |
Top water assets
- 69Big Creekriver
- 69Patterson Creekriver
- 69Tater Creekriver
- 69Donkey Creekriver
- 69Morse Creekriver
- 69Doublespring Creekriver
- 69Pahsimeroi Riverriver
- 69Patterson Creekriver
- 69Patterson Creekriver
- 69Pahsimeroi Riverriver