Regulatory Branch


Published Aug. 27, 2019
Expiration date: 9/18/2019

The City of Alton requests authorization to use a hydraulic dredge to annually remove up to 37,000 cubic yards of accumulated sediments, on an as needed basis, from the existing Alton Marina basin.  Dredge material would be transported across and along the bottom of the Mississippi River in a 12 to 18-inch diameter, ballasted pipeline to its proposed open water disposal site, located at approximate river mile 202.3. The Alton Marina is located at #1 Henry Street, near the left descending bank of the Mississippi River, at approximate river mile 202.4, in the City of Alton, Madison County, Illinois.  Open water discharge of dredge material would be placed near the right descending bank of the Mississippi River at approximate river mile 202.3.  The Public Notice comment period opens August 27, 2019 and closes September 18, 2019.