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Sacramento Headwaters HUC8 18020005

A 1,533 km² sub-basin of the California region in CA. 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
77
Healthy
Drought index
125
Moderate
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 1 reporting
Median flow
121%
p73 of record
Water assets
355
26 springs · 33 wells

USGS gauges (1)

Recent conditions

DateDSCID2+ %Gauges lowFlow pct
2026-09-0712500/1p73

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