Chicago Sanitary and Ship Canal at Lockport, IL
Gauge height
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Streamflow
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Minor flooding here begins at 541 ft. The highest crest on record was 546.59 ft on Sat, Dec 4, 1982.
Flood stages at this gauge
| Category | Stage | Current distance |
|---|---|---|
| Action | 540.5 ft | — |
| Minor flood | 541 ft | — |
Highest crests on record
| Stage | Date |
|---|---|
| 546.59 ft | 1982-12-04 |
| 544.4 ft | 2020-05-18 |
| 543.74 ft | 2008-09-14 |
| 542.87 ft | 2007-08-24 |
| 542.86 ft | 2019-05-02 |
Nearby gauges
| Gauge | Distance | County |
|---|---|---|
| Des Plaines River at Lockport, IL | 1.9 mi | Will County |
| Chicago Ss Canal at Lockport Controlling Works, IL | 2.0 mi | Will County |
| Des Plaines River at Route 53 at Joliet, IL | 2.3 mi | Will County |
| Hickory Creek at Joliet, IL | 3.8 mi | Will County |
| Des Plaines River at Romeoville, IL | 4.9 mi | Will County |
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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.