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DOD/COE RIN: 0710-AB40 Publication ID: Spring 2022 
Title: Revised Definition of "Waters of the United States"--Rule 1 

In April 2020, the EPA and the Department of the Army (the agencies”) published the Navigable Waters Protection Rule (NWPR) that revised the previously codified definition of waters of the United States” (85 FR 22250, April 21, 2020). The agencies are now initiating this new rulemaking process that restores the regulations (51 FR 41206) in place prior to the 2015 "Clean Water Rule: Definition of 'Waters of the United States” (80 FR 37054, June 29, 2015), updated to be consistent with relevant Supreme Court decisions. The agencies intend to consider further revisions in a second rule in light of additional stakeholder engagement and implementation considerations, scientific developments, and environmental justice values. This effort will also be informed by the experience of implementing the pre-2015 rule, the 2015 Clean Water Rule, and the 2020 Navigable Waters Protection Rule.


Agency: Department of Defense(DOD)  Priority: Economically Significant 
RIN Status: Previously published in the Unified Agenda Agenda Stage of Rulemaking: Final Rule Stage 
Major: Yes  Unfunded Mandates: Undetermined 
CFR Citation: 33 CFR 328   
Legal Authority: 33 U.S.C. 1344   
Legal Deadline:  None
Action Date FR Cite
NPRM  12/07/2021  86 FR 69372   
Final Action  09/00/2022 
Regulatory Flexibility Analysis Required: No  Government Levels Affected: None 
Federalism: Undetermined 
Included in the Regulatory Plan: Yes 
RIN Data Printed in the FR: No 
Related Agencies: Joint: EPA/OW; 
Agency Contact:
Stacey M. Jensen
Office of the Assistant Secretary of the Army
Department of Defense
U.S. Army Corps of Engineers
108 Army Pentagon,
Washington, DC 22202
Phone:703 695-6791