Lock Closure for Gate Seal Replacement, Chicago Lock Harbor

Notice Number: 201173

Date: 10/24/2022 19:00 thru 11/05/2022 07:00


1. The Chicago Harbor Lock will be closed daily to all vessel traffic from 1900 CDT to 0700 CDT starting Monday, October 24th, 2022 thru Saturday, October 29th, 2022 and also from 1900 CDT to 0700 CDT starting Monday, October 31st, 2002 thru Saturday, November 5th, 2022. These closures will be to conduct diving operations to replace the vertical gate seals on the lakeside sector gates.

2. In the event the diving operations are completed prior to the scheduled completion time, an amendment to this Notice to Navigation Interests will be posted.

3. The following link provides access to:
All USACE Notices to Navigation Interests

4. If you have any questions/comments/concerns regarding this Notice to Navigation Interests, please contact Michael Walsh, USACE Chicago
District Waterway Project Office Chief, (815) 510-0361 or Michael.J.Walsh@usace.army.mil


Jeffrey A. MacDonald
Chief, Technical Support Branch
USACE - Chicago District