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 2026-09-01); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.
Health score
66
Moderate
Drought index
286
Severe
Area in D2+
86.25%
0% exceptional (D4)
Gauges below normal
0%
of 1 reporting
Median flow
88%
p33 of record
Water assets
589
46 springs · 56 wells
USGS gauges (1)
- SNAKE RIVER AT WEISER ID132690009,190 cfsp33 · normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 286 | 86.25 | 0/1 | p33 |
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