Stale — older than 1 week Normal USGS

Chicago Sanitary And Ship Canal At Lockport, IL

Updated February 6, 2019 at 12:35:00 PM CST · Approved · Site 05537000

Current conditions

Historical trends

Hourly measurements

Detailed readings by hour, organized by day

Nearby stations

Other monitoring locations nearby

View all on map

Data courtesy of the U.S. Geological Survey.