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.

Portland District Announces Nationwide Permits (NWPs) Regional Conditions

Portland District
Published March 16, 2026
Expiration date: 3/14/2031

This public notice provides information regarding the reissuance of the Nationwide Permits, expiration of the 2021 Nationwide Permits, Portland District Regional Conditions, Coastal Zone Consistency, and Water Quality Certification.