US Army Corps of Engineers
St. Paul District Website

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  • March

    Dredged Material Management Plan (DMMP): Pool 5

    The Pool 5 Dredged Material Management Plan (DMMP) study area is located between Lock and Dam 4 at Alma, Wisconsin, and Lock and Dam 5 near Minneiska, Minnesota, spanning nearly 15 river miles from 752.8 to 738.1. The purpose of the DMMP is to prepare a coordinated long-term plan for managing dredged material in Lower Pool 5 of the Upper Mississippi River for the purposes of continued operation and maintenance of the Upper Mississippi River 9-Foot Channel Navigation Project.
  • Dredged Material Management Plan (DMMP): Lower Pool 4

    The Lower Pool 4 Dredged Material Management Plan (DMMP) study area is located between Lock and Dam 4 and the foot of Lake Pepin, river miles 753.0 to 764.0. The purpose of the DMMP is to prepare, a coordinated long-term plan for managing dredged material in Lower Pool 4 of the Upper Mississippi River for the purposes of continued operation and maintenance of the Upper Mississippi River 9-Foot Navigation Channel Project.