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.

NWP-2016-00464

Portland District
Published March 4, 2026
Expiration date: 4/3/2026

Project: NWP-2016-00464

Expiration Date: April 3, 2026

Applicant:  Marion County

Location:  Detroit, Marion County, Oregon

Purpose: An application for a Department of the Army permit to remove accumulated material from beneath the Detroit Marina and Kane’s Marina to maintain recreational operations and to extend an existing peninsula to provide habitat restoration and additional recreation activities for the community.