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Middle Columbia-Hood HUC8 17070105

A 5,592 km² sub-basin of the Pacific Northwest region in OR, WA. 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
61
Moderate
Drought index
113
Moderate
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
60%
of 5 reporting
Median flow
84%
p23 of record
Water assets
3,611
1,016 springs · 807 wells

USGS gauges (5)

Recent conditions

DateDSCID2+ %Gauges lowFlow pct
2026-09-0711303/5p23

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