Middle Willamette HUC8 17090007
A 1,841 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
45
Stressed
Drought index
188
Moderate
Area in D2+
2.52%
0% exceptional (D4)
Gauges below normal
100%
of 2 reporting
Median flow
62%
p16 of record
Water assets
1,571
38 springs · 1,345 wells
USGS gauges (2)
- WILLAMETTE RIVER AT NEWBERG, OR141979007,150 cfsp9 · much below normal
- WILLAMETTE RIVER AT SALEM, OR141910006,790 cfsp23 · below normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-19 | 188 | 2.52 | 2/2 | p16 |
| 2026-10-18 | 188 | 2.52 | 2/2 | p16 |
| 2026-10-17 | 188 | 2.52 | 1/2 | p17 |
| 2026-10-16 | 188 | 2.52 | 1/2 | p18 |
| 2026-10-15 | 188 | 2.52 | 1/2 | p19 |
| 2026-10-14 | 188 | 2.52 | 1/2 | p18 |
| 2026-10-13 | 188 | 2.52 | 1/2 | p20 |
| 2026-10-12 | 188 | 2.52 | 1/2 | p20 |
| 2026-10-11 | 188 | 2.52 | 1/2 | p20 |
| 2026-10-10 | 188 | 2.52 | 1/2 | p20 |
| 2026-10-09 | 188 | 2.52 | 1/2 | p20 |
| 2026-10-08 | 188 | 2.52 | 1/2 | p20 |
| 2026-10-07 | 188 | 2.52 | 1/2 | p24 |
| 2026-10-06 | 188 | 2.52 | 1/2 | p22 |
Top water assets
- 76A Well — Irrigationwell
- 76A Well — Irrigationwell
- 76Rickreall Creek — Irrigationspring
- 76A Well — Primary And Supplemental Irrigationwell
- 76A Well — Irrigationwell
- 76A Well — Irrigationwell
- 76Well 2A — Irrigationwell
- 76Well 2 — Irrigationwell
- 76Well 2 — Agriculture Useswell
- 76A Well — Irrigationwell