5 Jun 2024

Finding of No Significant Impact, Rehabilitation of Shore Protection, Duluth Project Office, St. Louis County, Duluth, MN

The Detroit District proposed shoreline riprap rehabilitation site is along the Duluth Ship Canal property immediately north of the ship canal and extending along the shore for approximately 200 feet. Part of the reconstruction work is below the Ordinary High Water Mark (OHWM) of Lake Superior (elevation of 603.1 feet IGLD 1985). Associated upland work includes installation of a steel sheet pile T-wall and sidewalk along the length of the revetment that connects to the City of Duluth’s T-wall and sidewalk (Lakewalk), Some landscaping and storm drain work would completed on the upland area behind the revetment. The Preliminary FONSI, Environmental Assessment, and Clean Water Act Section 404(b)(1) Evaluation completed public review in May 2023.

11 Jan 2024

Duluth Superior DMMP Review Plan

This Review Plan defines the scope and level ofpeer review for the Dredged Material Management Plan(DMMP) for the Duluth-Superior Harbor, MN & WI.

11 Jan 2024

21st Avenue West Wetland Creation, Duluth, Minnesota Section 204Regional Sediment Management Plan

This Review Plan defines the scope and level of peer review forthe 21st Avenue West Wetland Creation, Duluth, Minnesota, Section204Regional Sediment Management Plan (RSMP)decision document.

26 Apr 2023

Preliminary Finding of No Significant Impact, Environmental Assessment, and 404(b)(1) Evaluation for Rehabilitation of Shore Protection, Duluth Project Office, St. Louis County, Duluth, MN

Expiration date: 5/26/2023

The Detroit District is proposing to rehabilitate the riprap shoreline protection along the Duluth Ship Canal property immediately north of the ship canal and extending along the shore for approximately 200 feet. Part of the reconstruction work is below the Ordinary High Water Mark (OHWM) of Lake Superior (elevation of 603.1 feet IGLD 1985). Associated upland work includes installation of a steel sheet pile T-wall along the length of the revetment that connects to the City of Duluth’s T-wall, replacement of the existing sidewalk and reconstructing two existing storm drains.