Chicago Sanitary and Ship Canal at Lockport, IL
Current readings are unavailable. Current flood status cannot be determined. Official flood thresholds remain available below. Check the linked USGS and NWS sources for the latest information.
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.