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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 2026-10-13); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.

Health score
36
Stressed
Drought index
384
Extreme
Area in D2+
100%
0% exceptional (D4)
Gauges below normal
83%
of 6 reporting
Median flow
51%
p14 of record
Water assets
321
16 springs · 46 wells

USGS gauges (10)

Recent conditions

DateDSCID2+ %Gauges lowFlow pct
2026-10-193841005/6p14
2026-10-183841004/6p14
2026-10-173841004/6p16
2026-10-163841004/6p17
2026-10-153841004/6p19
2026-10-143841004/6p17
2026-10-133841004/6p18
2026-10-123841005/6p18
2026-10-113841005/6p18
2026-10-103841005/6p19
2026-10-093841004/6p19
2026-10-083841004/6p19
2026-10-073841004/6p20
2026-10-063841004/6p21

Top water assets