Middle Owyhee HUC8 17050107
A 3,872 km² sub-basin of the Pacific Northwest region in ID, NV, 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
56
Moderate
Drought index
405
Exceptional
Area in D2+
100%
12.73% exceptional (D4)
Gauges below normal
0%
of 1 reporting
Median flow
68%
p25 of record
Water assets
624
42 springs · 0 wells
USGS gauges (1)
- OWYHEE RIVER NR ROME OR1318100081 cfsp25 · normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 405 | 100 | 0/1 | p25 |
Top water assets
- 76Soldier Creek — Irrigationspring
- 73Field Creek — Irrigation And Domesticspring
- 73Pole Creek — Irrigationspring
- 69Noon Creekriver
- 69Big Antelope Creekriver
- 69West Little Owyhee Riverriver
- 69Big Antelope Creekriver
- 69West Little Owyhee Riverriver
- 69West Little Owyhee Riverriver
- 69Cabin Creekriver