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 2026-10-13); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.
Health score
46
Stressed
Drought index
333
Extreme
Area in D2+
83.03%
0% 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 |
|---|---|---|---|---|
| 2026-10-20 | 333 | 83.03 | — | — |
| 2026-10-19 | 333 | 83.03 | — | — |
| 2026-10-18 | 333 | 83.03 | — | — |
| 2026-10-17 | 333 | 83.03 | — | — |
| 2026-10-16 | 333 | 83.03 | — | — |
| 2026-10-15 | 333 | 83.03 | — | — |
| 2026-10-14 | 333 | 83.03 | — | — |
| 2026-10-13 | 333 | 83.03 | — | — |
| 2026-10-12 | 333 | 83.03 | — | — |
| 2026-10-11 | 333 | 83.03 | — | — |
| 2026-10-10 | 333 | 83.03 | — | — |
| 2026-10-09 | 333 | 83.03 | — | — |
| 2026-10-08 | 333 | 83.03 | — | — |
| 2026-10-07 | 333 | 83.03 | — | — |
Top water assets
- 78Camp Creek — Irrigationspring
- 78East Fork Silvies River — Irrigationspring
- 78Eddington Cr — Irrigationspring
- 78Foley Slough — Irrigationspring
- 76Bear Cr — Irrigationspring
- 76Silvies River — Irrigationspring
- 76West Fork Silvies River — Irrigationspring
- 76East Fork Silvies River — Irrigationspring
- 76East Fork Silvies River — Irrigationspring
- 76Sage Hen Creek — Irrigationspring