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 2026-10-13); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.
Health score
45
Stressed
Drought index
473
Exceptional
Area in D2+
100%
72.87% exceptional (D4)
Gauges below normal
33%
of 3 reporting
Median flow
97%
p48 of record
Water assets
1,524
196 springs · 83 wells
USGS gauges (3)
- EF OWYHEE RIVER AT CRUTCHER CROSSING, ID1317640019 cfsp19 · below normal
- OWYHEE RV NR MOUNTAIN CITY, NV1317510020 cfsp48 · normal
- OWYHEE RV NR GOLD CK, NV1317450018 cfsp82 · above normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-20 | 473 | 100 | 1/3 | p48 |
| 2026-10-19 | 473 | 100 | 1/3 | p46 |
| 2026-10-18 | 473 | 100 | 0/3 | p46 |
| 2026-10-17 | 473 | 100 | 0/3 | p50 |
| 2026-10-16 | 473 | 100 | 0/3 | p50 |
| 2026-10-15 | 473 | 100 | 0/3 | p49 |
| 2026-10-14 | 473 | 100 | 1/3 | p45 |
| 2026-10-13 | 473 | 100 | 1/3 | p44 |
| 2026-10-12 | 473 | 100 | 1/3 | p43 |
| 2026-10-11 | 473 | 100 | 1/3 | p41 |
| 2026-10-10 | 473 | 100 | 1/3 | p43 |
| 2026-10-09 | 473 | 100 | 1/3 | p44 |
| 2026-10-08 | 473 | 100 | 1/3 | p43 |
| 2026-10-07 | 473 | 100 | 1/3 | p48 |
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