Umpqua HUC8 17100303
A 3,917 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
62
Moderate
Drought index
288
Severe
Area in D2+
78.42%
0% exceptional (D4)
Gauges below normal
0%
of 2 reporting
Median flow
147%
p53 of record
Water assets
370
145 springs · 190 wells
USGS gauges (3)
- UMPQUA RIVER NEAR ELKTON, OR143210001,020 cfsp39 · normal
- LITTLE WOLF CREEK NEAR TYEE, OR143209340 cfsp68 · normal
- ELK CREEK AT ELKTON, OR1432281017 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 288 | 78.42 | 0/2 | p53 |
Top water assets
- 73Umpqua River — Irrigationspring
- 66North Fork Smith River — Irrigationspring
- 66Lake Creek — Irrigationspring
- 66Umpqua River — Irrigationspring
- 66Lake Creek — Irrigationspring
- 66Lake Creek — Irrigationspring
- 66Unnamed Stream — Industrial/Manufacturing Usesspring
- 66Bear Creek 3reservoir
- 66Johnson Creek — Irrigationspring
- 66Umpqua River — Irrigationspring