CHICAGO SANITARY AND SHIP CANAL NR LEMONT, IL

DUPAGE COUNTY, IL41.6912°N, -87.9638°W Updated 10 hr ago

FLOW RATE

3,330cfs

GAUGE HT

25.33ft

Flow Rate Historical Avg

MEDIAN FLOW RATE · 30 DAY

3,330cfs 35.3% vs avg

Optimal band: 3,978–5,382 cfs

PERIOD HIGH

10,557cfs

PERIOD LOW

2,845cfs

RUNNABLE

48%

last 30 day in band

Gauge Height

25.33ft

Precipitation History

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41.6912, -87.9638

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DATA · USGS · NOAA · NWSUPDATED 2026-07-12 00:00 UTC

Site #05536890·USGS

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