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On March 20, 2023, the Environmental Protection Agency and the Department of the Army’s “Revised Definition of ‘Waters of the United States’” (2023 Rule) became effective in all jurisdictions of the United States except Idaho and Texas. Click for more info

Regulatory Program Notices

Below are regulatory announcements, in chronological order, which are both current and historical. Current announcements provide information regarding ongoing regulatory processes and happenings. Historical announcements remain posted, as long as they remain up-to-date and applicable, to provide the public with a transparent record of changes and improvements to our program.   Regulatory image of trees over a creek

Related Corps and federal and state agency websites