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Milwaukee HUC8 04040003

A 2,276 km² sub-basin of the Great Lakes region in WI. 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
64
Moderate
Drought index
128
Moderate
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
13%
of 15 reporting
Median flow
405%
p89 of record
Water assets
1,926
8 springs · 1,395 wells

USGS gauges (15)

Recent conditions

DateDSCID2+ %Gauges lowFlow pct
2026-09-0712802/15p89

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