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Corps of Engineers completes Environmental Assessment for latest changes to the Fargo-Moorhead flood risk management Project

Published March 4, 2019

ST. PAUL, Minn. –Col. Sam Calkins, commander of the U.S. Army Corps of Engineers, St. Paul District, signed a ‘Finding of No Significant Impact’ for an Environmental Assessment, or EA, completed for the proposed Fargo, N.D./Moorhead, Minn., Metropolitan Area Flood Risk Management Project Feb. 28.

This EA, called the ‘Final Supplemental Environmental Assessment #2,’ was prepared to look at changes to the project following recommendations by a taskforce assembled by the governors of Minnesota and North Dakota. These changes are commonly referred to as ‘Plan B.’

The proposed project involves the construction of a 30-mile long diversion channel located in North Dakota that will direct floodwater around the Fargo-Moorhead metropolitan area, upstream staging of water and in-town levees. ‘Plan B’ includes allowing an additional 2 feet of water to flow through downtown Fargo-Moorhead during a 100-year flood and modifications to the alignment of the southern embankment.    

The EA package includes the signed ‘Finding of No Significant Impact,’ signed Clean Water Act Section 404(b)(1) Evaluation Supplement, and responses to public comments received on the draft EA. It was open for public comment from Aug. 27-Sept. 27, 2018.

The documents is posted on the Corps of Engineers website,, as well as the Fargo-Moorhead Metro Flood Diversion Authority website,

The project would protect more than 200,000 people and 70 square miles of infrastructure in the communities of Fargo, Moorhead, West Fargo, Horace and Harwood.

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Release no. UNRELEASED