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Smith HUC8 18010101

A 2,540 km² sub-basin of the California region in CA, 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
47
Stressed
Drought index
148
Moderate
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
100%
of 1 reporting
Median flow
65%
p9 of record
Water assets
2,971
4 springs · 13 wells

USGS gauges (1)

Recent conditions

DateDSCID2+ %Gauges lowFlow pct
2026-10-1914801/1p9
2026-10-1814801/1p9
2026-10-1714801/1p10
2026-10-1614801/1p10
2026-10-1514801/1p10
2026-10-1414801/1p10
2026-10-1314801/1p10
2026-10-1214801/1p10
2026-10-1114801/1p9
2026-10-1014801/1p10
2026-10-0914801/1p10
2026-10-0814801/1p10
2026-10-0714801/1p11
2026-10-0614801/1p13

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