Brownlee Reservoir HUC8 17050201
A 3,375 km² sub-basin of the Pacific Northwest region in ID, OR. 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
36
Stressed
Drought index
286
Severe
Area in D2+
86.22%
0% exceptional (D4)
Gauges below normal
100%
of 1 reporting
Median flow
68%
p9 of record
Water assets
589
46 springs · 56 wells
USGS gauges (1)
- SNAKE RIVER AT WEISER ID132690009,010 cfsp9 · much below normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-20 | 286 | 86.22 | 1/1 | p9 |
| 2026-10-19 | 286 | 86.22 | 1/1 | p9 |
| 2026-10-18 | 286 | 86.22 | 1/1 | p10 |
| 2026-10-17 | 286 | 86.22 | 1/1 | p10 |
| 2026-10-16 | 286 | 86.22 | 1/1 | p9 |
| 2026-10-15 | 286 | 86.22 | 1/1 | p9 |
| 2026-10-14 | 286 | 86.22 | 1/1 | p9 |
| 2026-10-13 | 286 | 86.22 | 1/1 | p9 |
| 2026-10-12 | 286 | 86.22 | 1/1 | p9 |
| 2026-10-11 | 286 | 86.22 | 1/1 | p10 |
| 2026-10-10 | 286 | 86.22 | 1/1 | p9 |
| 2026-10-09 | 286 | 86.22 | 1/1 | p9 |
| 2026-10-08 | 286 | 86.22 | 1/1 | p9 |
| 2026-10-07 | 286 | 86.22 | 1/1 | p9 |
Top water assets
- 76Boulder Creek — Miningspring
- 73Pine Creek/E Lake Reservoir — Irrigationspring
- 73Big Deacon Creek — Industrial/Manufacturing Usesspring
- 73Billy Gulch — Irrigationspring
- 73Clear Creek — Irrigationspring
- 73Pine Creek — Irrigationspring
- 73Pine Creek — Irrigationspring
- 73A Well — Supplemental Irrigationwell
- 73North Pine Creek — Irrigationspring
- 69Aspen Creekriver