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Upper Deer-Upper White HUC8 18030005

A 3,168 km² sub-basin of the California region in CA. 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
68
Moderate
Drought index
42
Abnormally dry
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
50%
of 2 reporting
Median flow
117%
p34 of record
Water assets
2,584
2 springs · 2,433 wells

USGS gauges (3)

Recent conditions

DateDSCID2+ %Gauges lowFlow pct
2026-10-194201/2p34
2026-10-184201/2p36
2026-10-174201/2p39
2026-10-164201/2p42
2026-10-154201/2p42
2026-10-144201/2p37
2026-10-134201/2p34
2026-10-124201/2p34
2026-10-114201/2p36
2026-10-104201/2p36
2026-10-094201/2p34
2026-10-084201/2p33
2026-10-074201/2p32
2026-10-064201/2p37

Top water assets