Alsea HUC8 17100205
A 2,175 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
63
Moderate
Drought index
205
Severe
Area in D2+
5.39%
0% exceptional (D4)
Gauges below normal
0%
of 2 reporting
Median flow
189%
p83 of record
Water assets
35
7 springs · 8 wells
USGS gauges (2)
- ALSEA RIVER NEAR TIDEWATER, OR14306500162 cfsp83 · above normal
- EAST FORK LOBSTER CREEK NEAR ALSEA, OR.143063402 cfsp83 · above normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 205 | 5.39 | 0/2 | p83 |
Top water assets
- 73Unnamed Stream — Industrial/Manufacturing Usesspring
- 66Crooked Creek — Irrigationspring
- 66A Well — Group Domesticwell
- 65Alsea River Near Tidewater, Orriver
- 65East Fork Lobster Creek Near Alsea, Or.river
- 58A Well — Irrigationwell
- 58East Unnamed Stream — Irrigationspring
- 58Well 3 — Group Domesticwell
- 58Unnamed Stream — Domesticspring
- 54Unnamed Stream — Domesticspring