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Silver HUC8 17120004

A 4,361 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
47
Stressed
Drought index
273
Severe
Area in D2+
65.8%
0% exceptional (D4)
Gauges below normal
no gauges reporting
Median flow
of normal for the date
Water assets
293
55 springs · 41 wells

USGS gauges (0)

No active discharge gauges in this sub-basin.

Recent conditions

DateDSCID2+ %Gauges lowFlow pct
2026-09-0727365.8

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