Summer Lake HUC8 17120005
A 10,709 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
48
Stressed
Drought index
252
Severe
Area in D2+
44.58%
0% exceptional (D4)
Gauges below normal
—
no gauges reporting
Median flow
—
of normal for the date
Water assets
417
33 springs · 35 wells
USGS gauges (0)
No active discharge gauges in this sub-basin.
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 252 | 44.58 | — | — |
Top water assets
- 76A Well — Supplemental Irrigationwell
- 76A Well — Irrigationwell
- 76Silver Creek — Irrigationspring
- 76Silver Creek — Irrigationspring
- 76Silver Cr — Irrigationspring
- 76Hadley Creek — Irrigationspring
- 76Hadley Creek — Supplemental Irrigationspring
- 76Silver Cr — Irrigationspring
- 76Silver Creek — Irrigationspring
- 76Hadley Creek — Supplemental Irrigationspring