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DOD/COE RIN: 0710-AB59 Publication ID: Spring 2025 
Title: ●Final Clarifying Definition of "Waters of the United States" 
Abstract:

The U.S. Environmental Protection Agency and the U.S. Department of the Army are undertaking a rulemaking to revise three key topics of the “waters of the United States” definition in light of the Supreme Court’s decision in Sackett v. Environmental Protection Agency, 598 U.S. 651 (2023), including “continuous surface connection,” “relatively permanent,” and jurisdictional versus non-jurisdictional ditches. These revisions focus on clarity, simplicity and improvements that will stand the test of time.

 

 

 
Agency: Department of Defense(DOD)  Priority: Other Significant 
RIN Status: First time published in the Unified Agenda Agenda Stage of Rulemaking: Proposed Rule Stage 
Major: Undetermined  Unfunded Mandates: Undetermined 
EO 14192 Designation: Deregulatory 
CFR Citation: 33 CFR 328   
Legal Authority: 33 U.S.C. 1344   
Legal Deadline:  None
Timetable:
Action Date FR Cite
NPRM  10/00/2025 
Regulatory Flexibility Analysis Required: No  Government Levels Affected: Federal, Local, State, Tribal 
Small Entities Affected: No  Federalism: Undetermined 
Included in the Regulatory Plan: No 
RIN Data Printed in the FR: No 
Related Agencies: Joint: EPA/OW; 
Agency Contact:
Elliott Carman
Department of Defense
108 Army Pentagon, Room 3E419,
Washington, DC 20310-0108
Phone:703 300-2899
Email: elliott.n.carman.civ@army.mil