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Regulatory Public Notices

The U.S. Army Corps of Engineers regulates activities affecting wetlands and other waters of the United States under Section 10 of the Rivers and Harbors Act of 1899 and Section 404 of the Clean Water Act. Public involvement is central to this process, with input from agencies, tribes, organizations, and citizens helping ensure balanced, informed permit decisions that support development while protecting aquatic resources.

This section provides current and historical regulatory announcements, including project updates and public notices. These materials promote transparency and keep the public informed about ongoing reviews and program developments.

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  • NWP-2023-494

    Expiration date: 9/14/2025

    Kayla Woods is the Regulatory point-of-contact for this permit application from Double D Development LLC to conduct work impacting Wetlands A, B, C, D, E and Ditch, near S 7th Street and Greenwood Drive in Jefferson, Marion County, Oregon.

    NWP-2023-494

  • NWP-2010-352-2

    Interested parties are hereby notified that the U.S. Army Corps of Engineers, Portland District (USACE) and the Washington Department of Ecology (Ecology) have received an application to perform work in waters of the United States as described below and shown on the attached drawings. USACE and Ecology are soliciting comments on the proposed work.

    WA-OR Joint Public Notice: NWP-2010-352-2

  • Notice of Stream Function Assessment Method for Oregon

    The purpose of this notice is to make the public aware of SFAM and associated tools, explain the need for and development of the method, and to invite feedback from users.