This notice withdraws the Notice of Intent to prepare a Supplemental Environmental Impact Statement (SEIS) for the Columbia River System Operations, which had been published in the Federal Register on December 18, 2024. The withdrawal is directed by a Presidential Memorandum titled 'Stopping Radical Environmentalism to Generate Power for the Columbia Basin' dated June 12, 2025. The U.S. Army Corps of Engineers and Bureau of Reclamation, acting as co-lead agencies, will continue operating the 14 Columbia River System projects under the 2020 EIS Record of Decision, current Biological Opinions, and relevant operating documents.12