Middle Fork Willamette HUC8 17090001
A 3,540 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
54
Moderate
Drought index
373
Extreme
Area in D2+
100%
0% exceptional (D4)
Gauges below normal
17%
of 6 reporting
Median flow
82%
p35 of record
Water assets
321
16 springs · 46 wells
USGS gauges (10)
- MIDDLE FORK WILLAMETTE RIVER NEAR DEXTER, OR141500001,600 cfsp22 · below normal
- MF WILLAMETTE RIVER BLW N FORK, NR OAKRIDGE, OR.14148000812 cfsp28 · normal
- MF WILLAMETTE RIVER ABV SALT CRK, NEAR OAKRIDGE,OR14145500439 cfsp31 · normal
- MIDDLE FORK WILLAMETTE RIVER AT JASPER, OR141520002,300 cfsp39 · normal
- WINBERRY CREEK NEAR LOWELL,OR141508006 cfsp53 · normal
- FALL CREEK BLW WINBERRY CREEK, NEAR FALL CREEK, OR14151000535 cfsp72 · normal
- MIDDLE FORK WILLAMETTE RIVER NR OAKRIDGE, OR14144800309 cfsno long-term record
- NF OF MF WILLAMETTE R AB PARKER CR NR OAKRIDGE, OR14147200116 cfsno long-term record
- N FK OF M FK WILLAMETTE R NR OAKRIDGE, OR14147500945 cfsno long-term record
- FALL CREEK ABOVE TILLER CREEK, NEAR LOWELL, OR1415025029 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 373 | 100 | 1/6 | p35 |
Top water assets
- 76A Well — Irrigationwell
- 73A Well — Irrigationwell
- 73Infiltration Trench — Irrigationwell
- 67Lookout Point Damreservoir
- 67Fall Creek Damreservoir
- 67Spider Creekriver
- 67Nf Of Mf Willamette R Ab Parker Cr Nr Oakridge, Orriver
- 67Hills Creek Damreservoir
- 67Chalk Creekriver
- 67Fisher Creekriver