Lower Owyhee HUC8 17050110
A 5,116 km² sub-basin of the Pacific Northwest region in 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
65
Moderate
Drought index
265
Severe
Area in D2+
74.59%
0% exceptional (D4)
Gauges below normal
0%
of 1 reporting
Median flow
76%
p26 of record
Water assets
474
71 springs · 13 wells
USGS gauges (1)
- OWYHEE RIVER BELOW OWYHEE DAM, OR13183000116 cfsp26 · normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 265 | 74.59 | 0/1 | p26 |
Top water assets
- 76Well 5 — Primary And Supplemental Irrigationwell
- 76Little Crowley Creek — Irrigation And Domesticspring
- 76Soldier Creek — Irrigationspring
- 76Sutton Creek — Primary And Supplemental Irrigationspring
- 76Crowley Creek — Irrigation And Domesticspring
- 76Dick Creek — Primary And Supplemental Irrigationspring
- 76Malheur Reservoir — Irrigation And Domesticspring
- 75Well 2 — Primary And Supplemental Irrigationwell
- 73Well 3 — Primary And Supplemental Irrigationwell
- 73Butte Creek — Irrigationspring