Civil Works Public Notices

Corps of Engineers seeks comments on proposed work at Lock and Dam 5
ST. PAUL, Minn. – The U.S. Army Corps of Engineers, St. Paul District, is seeking public comments on a draft environmental assessment, or EA, on a proposed end cell project at Lock and Dam 5 in Minnesota City, Minnesota.
Date of Expiration: 07/03/2026
Demonstration of The Efficiency and Feasibility of Clay Technology in Removing and Managing Freshwater Harmful Algal Blooms
ST. PAUL, Minn. – The U.S. Army Corps of Engineers, St. Paul District, is seeking public comments on a draft supplemental environmental assessment, or EA, on a proposed project to study the use of clay to manage harmful algal blooms in ponds and lakes.
Date of Expiration: 06/29/2026
Expired (posted for visibility) Mississippi River Pool 10 Mooring Cell Project
The U.S. Army Corps of Engineers, St. Paul District, appreciates the broad public involvement in the Lock and Dam 10 mooring cell project comment period. USACE received more than 80 comments from individual citizens, elected officials, state agencies and the navigation industry with varying perspectives on the draft supplemental environmental assessment. USACE will carefully evaluate all comments received prior to determining if, or how, the project will proceed and will remain in contact with key stakeholders throughout the process. Future updates will be posted to our social media channels. The public notice and associated documents are posted for visibility purposes only. The public comment period expired Jan. 24, 2025.
Date of Expiration: 01/24/2025
EXPIRED (posted for visibility) Public Notice: Upper St. Anthony Falls Lock and Dam Disposition Study draft report
The U.S. Army Corps of Engineers, St. Paul District, is seeking public input from now until Feb. 16, 2021, on its recently completed draft disposition study for the Upper St. Anthony Falls Lock and Dam.
Date of Expiration: 03/18/2021

Regulatory Public Notices

Johnson Farms Minnesota, LLC Wetland Bank
The sponsor proposes to establish the Johnson Farms Minnesota, LLC Wetland Bank. The project involves restoring and enhancing approximately 109.77 acres of wetland and upland buffer in Douglas County, Minnesota. The objective is to create a high-quality, self-sustaining wetland ecosystem by filling drainage ditches, disabling drain tiles, and constructing a dike to restore historic hydrology. The restored areas will include Deep Marsh, Shallow Marsh, and Fresh Wet Meadow communities, providing functional lift and generating mitigation credits for unavoidable impacts to aquatic resources.
Date of Expiration: 07/12/2026
Special Public Notice- 2025 Banking Listening Sessions After Action Report
The U.S. Army Corps of Engineers St. Paul District Regulatory Division (USACE), U.S. Environmental Protection Agency (EPA), and Wisconsin Department of Natural Resources (Wisconsin DNR) are announcing the release of the After-Action Report for the 2025 Banking Listening Sessions held on September 3, 2025 (Wisconsin) and September 17, 2025 (Minnesota). The agencies have developed an After-Action Report as one combined document for both states.
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2026 Nationwide Permits (NWP) Background and Updates
In the June 18, 2025, issue of the Federal Register (90 FR 26100), the U.S. Army Corps of Engineers (Corps) published its proposal to reissue 56 existing NWPs, to issue one new NWP, and not to reissue one NWP. To solicit comments on its proposed regional conditions for these NWPs and proposed revocation of certain NWPs within Minnesota and Wisconsin, the St Paul District issued a public notice on June 18, 2025. The St. Paul District’s public notice sought to solicit comment on the District’s proposal to (re)issue 43 NWPs and associated regional conditions and revoke 14 NWPs within Minnesota and Wisconsin. In the final action published in the Federal Register on January 8, 2026 (91 FR 768), the Corps reissued 56 existing NWPs and issued one new NWP. In that final action, the Corps also reissued the NWP general conditions and definitions. Those NWPs and the NWP general conditions and definitions are effective March 15, 2026. The NWPs will expire on March 15, 2031. After the issuance of the final NWPs, the St. Paul District considered the need for regional conditions for these NWPs. On March 16, 2026, when the 2026 NWPs go into effect, the St. Paul District will authorize activities under the following 2021 NWPs: 1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 13, 16, 17, 18, 19, 20, 22, 25, 27, 28, 29, 30, 31, 32, 33, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 51, 52, 53, 54, 59, and 60. The 2026 regional conditions, water quality certifications, and CZMA consistency decisions applicable to these 2026 NWPs are provided in this public notice and are outlined in the enclosures to this document.
Date of Expiration: 02/27/2027
2020-00260 U.S. Army Corps of Engineers Issues Validated Permit to Enbridge Energy for Line 5 Wisconsin Segment Relocation
The United States Army Corps of Engineers (USACE) St. Paul District has issued a validated permit to Enbridge Energy to cross the White River, permanently discharge fill material into 998 square feet of wetlands, and temporarily discharge dredged and fill materials into 101.1 acres of wetlands and 0.20 acres of non-wetland waters for the construction of the Line 5 Wisconsin segment relocation. The project is located in parts of Bayfield, Ashland and Iron Counties, Wisconsin.
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ANNOUNCEMENT OF RELEASE OF THE WISCONSIN GUIDELINES VERSION 2
The U.S. Army Corps of Engineers St. Paul District Regulatory Division (Corps) and Wisconsin Department of Natural Resources (Wisconsin DNR) are announcing the official release of the Wisconsin Guidelines, Version 2 (Wisconsin Guidelines). The agencies have developed the Wisconsin Guidelines as two documents, one tailored for sponsors titled Procedures for Developing Wetland Compensatory Mitigation Sites in Wisconsin and the second for applicants/permittees titled Procedures for Project Proponents on Compensatory Mitigation Requirements in Wisconsin.
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Special Public Notice- Emergency Processing Procedures in Minnesota and Wisconsin
The purpose of this notice is to advise the public that the United States (U.S.) Army Corps of Engineers, Mississippi Vally Division has approved the use of special emergency processing procedures by the St. Paul District in accordance with 33 CFR § 325.2(e)(4) for the National Energy Emergency established by Executive Order (EO) 14156, which was issued on January 20, 2025 under the President’s legal authorities, including the National Emergencies Act (50 U.S.C. 1601 et seq) and section 301 of title 3, United States code.
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Special Public Notice (MNWI SQT release)
The U.S. Army Corps of Engineers St. Paul District Regulatory Division (Corps) is announcing the release of version 1.0 of the Minnesota and Wisconsin (MNWI) Stream Quantification Tool (SQT) and Debit Calculator. The MNWI SQT replaces, updates, and merges the Minnesota SQT (MNSQT) version 2.0 and the beta version of Wisconsin SQT (WISQT) to create a single tool for quantifying functional change on streams throughout the two states.
Date of Expiration: 01/06/2030
Supplemented Minor Discharges and Utility Regional General Permits in Minnesota and Wisconsin, and Federally Recognized American Indian Reservations
This notice announces the availability of the Utility and Minor Discharges regional general permits (RGP’s) for use within the Lake Superior Hydrologic Unit Codes (HUCs) previously excluded as part of the Clean Water Act (CWA) Section 401(a)(2) process (401(a)(2) process).
Date of Expiration: 02/19/2028
Superior SAMP IV RGP Reissuance
This notice announces the reissuance and availability of the City of Superior, WI Special Area Management Plan (SAMP) IV Regional General Permit (RGP). The Superior SAMP IV RGP is now available to authorize certain Section 404-regulated activities in wetlands identified as eligible for the RGP in the Superior SAMP (version IV) for single and complete residential, commercial, industrial, institutional, and public development projects. The RGP authorizes regulated activities that have been determined to result in no more than minimal individual or cumulative adverse environmental effects. The applicable terms and conditions are described in the Superior SAMP IV RGP attached to this notice.
Date of Expiration: 08/15/2028
Reissuance of Superior SAMP IV RGP
This notice announces the reissuance and availability of the City of Superior, WI Special Area Management Plan (SAMP) IV Regional General Permit (RGP). The Superior SAMP IV RGP is now available to authorize certain Section 404-regulated activities in wetlands identified as eligible for the RGP in the Superior SAMP (version IV) for single and complete residential, commercial, industrial, institutional, and public development projects. The RGP authorizes regulated activities that have been determined to result in no more than minimal individual or cumulative adverse environmental effects. The applicable terms and conditions are described in the Superior SAMP IV RGP attached to this notice.
Date of Expiration: 08/15/2028
Enbridge Line 5 Wisconsin Segment Relocation Project Hearing Public Notice
The Corps will conduct a public hearing on June 4th, 2024. The public hearing will be held at the Northwood Technical College, located at 2100 Beaser Avenue, Ashland, WI 54806 from 11 a.m. - 3 p.m. and 4 p.m. - 8 p.m. CST.
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Special Public Notice - Acceptance of Funds from the Wisconsin Department of Transportation
The purpose of this Special Public Notice is to inform the general public that the St. Paul District of the U.S. Army Corps of Engineers (District) has decided to accept and expend funds contributed by the Wisconsin Department of Transportation (WisDOT).
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SUPPLEMENTED REGIONAL GENERAL PERMITS IN MINNESOTA AND WISCONSIN, AND FEDERALLY RECOGNIZED AMERICAN INDIAN RESERVATIONS
SPECIAL PUBLIC NOTICE: SUPPLEMENTED REGIONAL GENERAL PERMITS IN MINNESOTA AND WISCONSIN, AND FEDERALLY RECOGNIZED AMERICAN INDIAN RESERVATIONS - This notice announces the availability of six regional general permits (RGPs) for use within the Lake Superior Hydrologic Unit Codes (HUCs) previously excluded as part of the Clean Water Act (CWA) Section 401(a)(2) process (401(a)(2) process). The six RGPs are now available for use in Minnesota, Wisconsin, and within the exterior boundaries of Federally recognized American Indian reservations in both states without exception.
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ANNOUNCEMENT OF RELEASE OF WISCONSIN STREAM ASSESSMENT TOOLS
SPECIAL PUBLIC NOTICE: The U.S. Army Corps of Engineers St. Paul District Regulatory Division (Corps) is announcing the release of the beta version of the Wisconsin Stream Quantification Tool (WISQT) and Debit Calculator. We are requesting comments on these tools prior to finalizing them and releasing Version 1.0. We expect to collect comments for 60 days and then publish Version 1.0 in late 2023 or early 2024.
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UPDATE OF THE JOINT 2013 GUIDELINES FOR WETLAND COMPENSATORY MITIGATION IN WISCONSIN
SPECIAL PUBLIC NOTICE: The Wisconsin Department of Natural Resources (WDNR) and the U.S. Army Corps of Engineers, St. Paul District (Corps) recently began an update of the joint 2013 Guidelines for Wetland Compensatory Mitigation in Wisconsin. We have developed draft outlines for the next version and are seeking public input on the outlines as well as additional information we should consider addressing in the next version. To facilitate meaningful comment, we are also seeking individuals who are currently active in the development or use of compensatory mitigation in Wisconsin who are interested in participating in a listening session. We will host the session July 6, 2023, and determine exact time and location based on interest. We are currently considering making this a virtual session. The session will aim to gather feedback from the mitigation community on crucial mitigation issues that need our clarification, with a specific focus on topics to include in the outlines and information needs or gaps that existed in the 2013 version of the Guidelines. If you are interested in the session, please register in advance by sending your name, organization, contact information, and whether you are primarily a mitigation provider or mitigation purchaser to Leslie Day (leslie.e.day@usace.army.mil) on or before June 23, 2023.
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