Chicago Sanitary and Ship Canal near Lemont, IL

DuPage County, Illinois · USGS gauge 05536890 · NWS LCSI2 · Chicago Sanitary and Ship Canal flood status · Illinois river levels

Nearby: river levels near Lemont

Is Chicago Sanitary and Ship Canal near Lemont, IL flooding right now?

Chicago Sanitary and Ship Canal near Lemont, IL measured 25.12 ft on 2026-11-11 15:32:00 UTC. No NWS minor flood stage is published for this gauge. Its action level is 32 ft; action level is not flood stage.

Gauge height
25.12 ft
as of 34 min ago
Streamflow
3,310 cfs
data refreshed 5 min ago

The highest crest on record was 29.83 ft on Mon, May 18, 2020.

Flood stages at this gauge

CategoryStageCurrent distance
Action32 ft6.9 ft below

New to these numbers? What does flood stage mean? · How to read a river gauge · Why is the river rising?

Highest crests on record

StageDate
29.83 ft2020-05-18
28.81 ft2008-09-14
28.73 ft2013-04-18
28.11 ft2008-12-27
27.63 ft2017-10-15

Last 7 days

Past 7 days · 24.96–25.69 ft

Nearby gauges

GaugeDistanceCounty
Sawmill Creek near Lemont, IL1.1 miDuPage County
Chicago Sanitary and Ship Canal at Lemont, IL2.1 miCook County
Des Plaines River near Lemont, IL3.6 miWill County
Long Run near Lemont, IL3.8 miCook County
Flag Creek near Willow Springs, IL4.8 miCook County
Provisional data: Real-time readings are provisional and subject to revision by the USGS — sensors can be affected by ice, debris, or equipment malfunction. Do not rely on this site for decisions involving personal safety; follow official guidance from the National Weather Service and local authorities.

Sources: USGS monitoring location · NWS gauge & forecast