Action Stage
32 ft
Current Water Level
Gage Height
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Streamflow
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Last Reading
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FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
What Floods at Each Level
10000 ft
High streamflows begin to cause closures of portions of the Chicago Sanitary and Ship Canal.
7000 ft
High streamflows begin to impact shipping interests along the river.
Impact statements from the National Weather Service, describing what typically happens at each water level.
Low-Water Impacts
23.6
Low water levels begin to impact shipping interests along the river.
What happens as water levels drop, per the National Weather Service.
7-Day Water Level Chart
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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| May 17, 2020 | 29.83 ft | 21,700 cfs |
| Sep 13, 2008 | 28.81 ft | 20,053 cfs |
| Apr 17, 2013 | 28.73 ft | 21,400 cfs |
About This Gauge
USGS Site
NWS LID
LCSI2
River
Chicago Sanitary and Ship Canal
County
Du Page, IL
Coordinates
41.6912°N, 87.9638°W
Get Flood Alerts for Chicago Sanitary and Ship Canal
StormCast monitors this gauge and sends a push notification to your phone when the water level crosses into a new flood category — even at 3 AM.
Frequently Asked Questions
What is the current water level of Chicago Sanitary and Ship Canal at Lemont?
The Chicago Sanitary and Ship Canal at Lemont gauge is maintained by USGS (site 05536890) and reports water levels every 15 minutes. Visit this page to see the latest reading updated live, or download StormCast to get push alerts when levels rise.
What is flood stage for Chicago Sanitary and Ship Canal at Lemont?
This gauge has NWS-defined flood categories. Check the flood stages section above for current thresholds.
How do I get alerts when Chicago Sanitary and Ship Canal rises?
Download StormCast free on Google Play, go to River Gauges, and add Chicago Sanitary and Ship Canal at Lemont to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category.
Where is the Chicago Sanitary and Ship Canal at Lemont gauge located?
The gauge is located in Du Page County, Illinois at coordinates 41.6912°N, 87.9638°W. USGS site number: 05536890. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on Chicago Sanitary and Ship Canal
On This River
Upstream: Chicago Sanitary and Ship Canal at Stickney
Downstream: Chicago Sanitary and Ship Canal at Romeoville
More Resources
Source & Notes
Data provided by: Observations courtesy of U.S. Geological Survey