Regulatory

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Public Notices

  • Announcing Reissuance of the Nationwide Permits (NWPs)

    On January 8, 2026, the U.S. Army Corps of Engineers (Corps) published a final rule in the Federal Register (91 FR 768) announcing the reissuance of 56 existing nationwide permits (NWPs) and one new NWP, as well as the reissuance of NWP general conditions and definitions with some modifications. These 57 NWPs will go into effect on March 15, 2026, and will expire on March 15, 2031. One NWP was not reissued.

  • MVS-2025-395

    Expiration date: 2/6/2026

    A Public Notice has been issued for the proposed establishment of the Olive Branch Mitigation Site. The Sponsor, Naturion West, LLC, requests approval for this site under their approved Umbrella Mitigation Banking Program Instrument (File Number: MVS-2020-652). As proposed, the Olive Branch Mitigation Site would generate 30.3 wetland credits. The Sponsor intends to restore several habitat types, including 3.0 acres of hardwood bottomland forest, 10.8 acres of cypress/tupelo swamp, and 16.5 acres of emergent wetland habitat. The project site includes approximately 35.4 acres located within the floodplains of the Mississippi River and the historic Cache River Basin in Alexander County, Illinois. The specific coordinates are Latitude: 37.161234°, Longitude: -89.385067°. The Public Notice comment period is open from January 7, 2026, through February 6, 2026.

  • MVS-2025-31

    Expiration date: 12/22/2025

    The applicant, Missouri American Water Company, seeks authorization to install approximately 1,800 feet of new 48-inch gravity outfall conveyance from the new water treatment plant to the Missouri River. Open trenching will occur from the water treatment plant to the Missouri River. Within the Missouri River, the outfall conveyance will be placed on the downstream side of an existing wing dike and covered with material of the same gradation as that of the existing dike structures, growing the footprint of the dike but not altering the dike elevations. The activity site is located off of Hog Hollow Road in Chesterfield, St. Louis County, Missouri. The project is in Section 36, Township 46 North, Range 04 East, at latitude 38.682227 and longitude -90.525607. The outfall structure portion of the project is located at approximate river mile 36 of the Missouri River (right descending bank). The Public Notice comment period is open from December 1, 2025, through December 21, 2025. You may submit comments by individual e-mail message or by mailing them to the address in the attached notice.

  • MVS-2025-649

    Expiration date: 12/17/2025

    The St. Louis District of the U.S. Army Corps of Engineers (Corps) has received an application for a Department of the Army permit pursuant to Section 404 of the Clean Water Act (33 U.S.C. §1344) and Section 10 of the Rivers and Harbors Act of 1899 (33 U.S.C. §403). The purpose of this public notice is to solicit comments from the public regarding the work described below: The applicant, BNSF Railway Company, requests authorization to reconstruct the BNSF Bridge No. 0014-0100.43 over Salt River on the Hannibal Subdivision as part of the BNSF general maintenance program. Work within the aquatic resources adjacent to the OHWM of the Salt River consist of existing bent removal, temporary staging areas, site access routes, temporary trestle bridges, and the construction of the proposed main and approach spans. The site is located within 28 Section, 55 Township, 2 Range; at Latitude 39.50529° and Longitude -91.142873°; in Louisiana, Pike County, MO.

  • Missouri Regional General Permit (RGP) 45

    The U.S. Army Corps of Engineers, St. Louis District, HAS ISSUED GP-45, authorizing the discharge of dredged or fill material associated with activities designed to improve water quality, improve fish and wildlife habitat, maintain recreational value, and extend the lifespan of man-made lakes and ponds. This permit authorizes the removal and discharge of lakebed/pond sediment in conjunction with mechanical dredging, hydraulic dredging (including return water from such activities) and excavation activities. The use of standard construction equipment to remove accumulated sediment is authorized by this permit. The dredged/excavated material may be used in the construction of jetties/breakwaters, shoreline stabilization structures, fish and wildlife habitat improvement structures and other similar activities. This regional general permit is issued under the authority of Section 404 of the Clean Water Act (33 USC 1344). It does not obviate the need for project proponents to obtain other Federal, state, or local authorizations. DURATION OF THE GENERAL PERMIT: The GP-45 has been issued and is in effect for a period of five years from the issue date of (September 15, 2025), unless it is specifically modified, suspended, or revoked prior to the expiration date.