Silvies HUC8 17120002
A 3,414 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
40
Stressed
Drought index
398
Extreme
Area in D2+
100%
21.31% exceptional (D4)
Gauges below normal
—
no gauges reporting
Median flow
—
of normal for the date
Water assets
557
269 springs · 103 wells
USGS gauges (0)
No active discharge gauges in this sub-basin.
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 398 | 100 | — | — |
Top water assets
- 78Eddington Cr — Irrigationspring
- 78Camp Creek — Irrigationspring
- 78East Fork Silvies River — Irrigationspring
- 78Foley Slough — Irrigationspring
- 76Silvies R — Irrigationspring
- 76West Fork Silvies River — Irrigationspring
- 76Bear Cr — Irrigationspring
- 76East Fork Silvies River — Irrigationspring
- 76Sage Hen Creek — Irrigationspring
- 76Silvies R — Irrigationspring