Navigation Notice: St. Louis District Channel Maintenance Dredging Dredge “Potter” UPDATE 14 Sep 21

Posted on September 16, 2021

CHANNEL MAINTENANCE DREDGING – UPDATE 14 SEPTEMBER 2021

USACE Dredge Potter

Upper Mississippi River mile 0 – 300

Illinois Waterway mile 0 – 80

1. Commencing on 9 July 2021 and continuing until further notice, the US Army Corps of Engineers Dredge Potter will perform channel maintenance dredging at various locations within the St. Louis District, Upper Mississippi River from mile 0 to 300.0 and Illinois Waterway mile 0 to 80.0.

2.  The Dredge Potter will complete work tomorrow on the Illinois Waterway at mile 78.5. Assignments at mile 62, 63, and several between mile 75 to 78.5 have been completed.

3.  The next assignment will be at mile 184 UMR, the Lower Chain of Rocks Canal entrance. The Dredge Potter will arrive on Thursday, 16 September 2021 and begin preparations to dredge.  It is estimated that this location will take seven days to dredge, completing on 23 September 2021.  Minor traffic delays may be experienced as we work to efficiently move traffic past the Dredge Potter and Locks 27.

4. Upcoming locations for the Dredge Potter are at mile 24, 103, and 103 UMR.

5.  The Dredge Potter and its attendant plant, to include tender boats, small boats, barges and pipeline, etc., work 24 hours a day, 7 days a week. When dredging, removed material is pumped through a pontoon pipeline or self-floating pipeline, which may be crossing the channel, and is placed outside of the navigation channel. Mariners should be on the lookout for tender boats, barges, small survey boats, and pipeline when transiting the dredge area.

6.  The Dredge Potter may be contacted on VHF-FM radio channels 13 and 16. Mariners are urged to transit at their slowest safe speed to minimize wake and proceed with caution after passing arrangements have been made with the Dredge Potter.

FOR THE DISTRICT ENGINEER:

//signed//

Andrew C. Schimpf, P.E.

Rivers Project Manager

21-06E St. Louis District Channel Maintenance Dredging Dredge Potter UPDATE 14 Sep 21

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