Upper Owyhee HUC8 17050104
A 5,552 km² sub-basin of the Pacific Northwest region in ID, NV. 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
34
Stressed
Drought index
473
Exceptional
Area in D2+
100%
72.87% exceptional (D4)
Gauges below normal
100%
of 3 reporting
Median flow
14%
p21 of record
Water assets
1,524
196 springs · 83 wells
USGS gauges (3)
- EF OWYHEE RIVER AT CRUTCHER CROSSING, ID1317640012 cfsp12 · below normal
- OWYHEE RV NR MOUNTAIN CITY, NV131751007 cfsp21 · below normal
- OWYHEE RV NR GOLD CK, NV131745006 cfsp22 · below normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 473 | 100 | 3/3 | p21 |
Top water assets
- 78Fannigan Gulch Creekspring
- 78Sunflower Creekspring
- 76037 N45 E53 11Bdbc1spring
- 75037 N45 E53 12Cdcb1spring
- 74037 N43 E54 14Cdca1spring
- 74Lime Creekspring
- 74Mill Creekspring
- 74037 N44 E53 11Dbd 1spring
- 74Martin Creekspring
- 74Trail Creek & Trib.spring