The U.S. Army Corps of Engineers (USACE), Portland District is issuing this Public Notice to announce the approval of emergency procedures for emergency situations as a result of the December 2025 Flood Event that affected Oregon and Washington. This public notice is updated from the March 25, 2026 version, which had an expiration of April 9, 2026. No other changes were made. The use of emergency procedures for activities in response to the December 2025 Flood Event now expire on August 9, 2026.hington.