RIVER GAUGE · CHICAGO SANITARY AND SHIP CANAL
Chicago Sanitary and Ship Canal at Lemont
Du Page County, Illinois
Water level1.30 kcfs
Flow—
Last readingSep 16, 2026, 4:39 PM UTC (last recorded)
Action32 ft7,000 cfs
The past week
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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.
Highest crests on record
| Date | Level | 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 |
When the water runs low
- 23.6
Low water levels begin to impact shipping interests along the river.
More on Chicago Sanitary and Ship Canal
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