Sprague HUC8 18010202
A 4,171 km² sub-basin of the California 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
70
Moderate
Drought index
204
Severe
Area in D2+
4.32%
0% exceptional (D4)
Gauges below normal
0%
of 1 reporting
Median flow
113%
p69 of record
Water assets
641
54 springs · 126 wells
USGS gauges (1)
- SPRAGUE RIVER NEAR CHILOQUIN, OR11501000231 cfsp69 · normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 204 | 4.32 | 0/1 | p69 |
Top water assets
- 76Sprague River — Irrigationspring
- 76Sprague River — Irrigationspring
- 76Well 375/14E 2 — Irrigationwell
- 76A Well — Supplemental Irrigationwell
- 76A Well — Irrigationwell
- 76A Well — Irrigationwell
- 76A Well — Irrigationwell
- 76Sprague River — Irrigationspring
- 76A Well — Irrigationwell
- 76Slough Channel — Irrigationspring