11 May 2026

Tittabawassee River Midland, MI FRM Study Review Plan

The Detroit District has posted the approved Review Plan for the Tittabawassee River Midland Michigan Flood Risk Management Study (P2: 510604). Under Section 8201 of the Water Resources Development Act of 2022, USACE is studying flood risk management measures for Midland County, Michigan. This Review Plan outlines the quality assurance process for the feasibility study, including District Quality Control (DQC) and Agency Technical Review (ATR). The study is being conducted in partnership with Midland County, City of Midland, and Midland Business Alliance.

6 May 2026

Grand River Upper Reach Revitalization: Sea Lamprey Control and Habitat Improvement Project Scoping Materials

Scoping materials for the Grand River Upper Reach Revitalization Project. The project proposes to remove the 6th Street Dam in Grand Rapids and construct a purpose-built barrier to block sea lamprey, addressing public safety, restoring rapids, and enhancing habitat.

4 May 2026

Detroit District Seeks Public Comment on Draft Memorandum of Agreement for Soo Locks Easement Renewal

Expiration date: 6/4/2026

The U.S. Army Corps of Engineers, Detroit District, is requesting public comment on a Draft Memorandum of Agreement regarding the renewal of a combined sewer-stormwater overflow easement with the City of Sault Ste. Marie. The easement renewal has been determined to have an adverse effect on a National Register-eligible burial site at Brady Park within the St. Marys Falls Canal (Soo Locks) National Historic Landmark. Comments must be submitted within 30 days to LRE-NHPA-Comments@usace.army.mil.

16 Apr 2026

NEPA Scoping Meeting for Grand River Upper Reach Revitalization Project - Grand Rapids, Michigan

Expiration date: 6/22/2026

The U.S. Army Corps of Engineers, Detroit District, is preparing an Environmental Impact Statement (EIS) for the Grand River Upper Reach Revitalization Project in Grand Rapids, Michigan. The project involves removing the 6th Street Dam and installing a new structure to control invasive sea lamprey while maintaining native fish passage and restoring aquatic habitat. A public scoping meeting will be held April 22, 2026, from 4-7 PM at Grand Rapids Public Schools University, 1400 Fuller Ave. NE. Public comments on alternatives and impacts are requested by May 22, 2026. Submit comments to Comments-Grand-River@usace.army.mil or mail to Mr. Hal Harrington, USACE Detroit District, 477 Michigan Avenue, Detroit, MI 48226.

19 Mar 2026

USACE seeks public comments on potential future changes to the nationwide permits to increase permitting efficiency

Expiration date: 5/15/2026

USACE announced it is seeking input from all interested parties on ways to increase the efficiency of the nationwide permit program. A public notice soliciting input on potential future changes to the nationwide permits was published in the March 16, 2026, Federal Register at https://www.federalregister.gov/d/2026-05051. USACE will accept written

13 Mar 2026

2026 Nationwide Permits Regional Conditions for Michigan

Expiration date: 3/15/2031

The U.S. Army Corps of Engineers, Detroit District, announces the reissuance of 57 nationwide permits (NWPs) effective March 15, 2026, through March 15, 2031, for activities in waters of the United States in Michigan. This public notice provides the NWP text, regional conditions, water quality certification requirements, and general conditions applicable to Michigan.

10 Mar 2026

2026 Nationwide Permits Regional Conditions for Indiana

Expiration date: 3/15/2031

The U.S. Army Corps of Engineers Louisville, Detroit, and Chicago Districts announce the reissuance of 57 Nationwide Permits (NWPs) effective March 15, 2026, through March 15, 2031, for the State of Indiana. The Great Lakes and Ohio River Division approved Indiana Regional Conditions on March 6, 2026. The Indiana Department of Environmental Management issued Section 401 Water Quality Certifications for certain NWPs, while denying certification for others requiring individual review.

30 Jun 2025

Review Plan - Southeast Michigan Flood Risk Management Feasibility Study

Review Plan for the Southeast Michigan Flood Risk Management Feasibility Study, Macomb, Oakland, and Wayne Counties, Michigan. The $2.5 million study identifies solutions to reduce flood risk in Southeast Michigan, including Detroit and surrounding communities. Study authorized under Section 8201 of WRDA 2022. Non-Federal Sponsor: Great Lakes Water Authority. Project Number: 510603. This Review Plan defines levels and scopes of review required for the feasibility phase products.

28 Oct 2024

Joint Public Notice of Availability

Availability of the Regional Streamflow Duration Assessment Methods (Regional SDAMs) for the Arid West, Western Mountains and Great Plains. The methods are rapid assessment tools for distinguishing between ephemeral, intermittent, and perennial streamflow at the reach scale for the Arid West, Western Mountains and Great Plains regions.

11 Oct 2024

Final Environmental Assessment Repair and Improvement of the Duluth Vessel Yard Duluth, St. Louis County, Minnesota

The U.S. Army Corps of Engineers, Detroit District (Corps) has conducted an environmental analysis in accordance with the National Environmental Policy Act of 1969, as amended. The Environmental Assessment (EA), 404(b)(1) evaluation, and a Public Notice (dated 22 June 2020) addresses the environmental consequences of the repair and improvement of the Corps’ Duluth Vessel Yard in Duluth, St. Louis County, Minnesota. The proposed work will be conducted under the Corps authority for the Federal Navigation Project.