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  2. Waters of the United States

Notice of Intention to Review and Rescind or Revise the Clean Water Rule

The Navigable Waters Protection Rule has been vacated and replaced in the Code of Federal Regulations. Please click here for to learn more about the agencies' current implementation of the definition of "waters of the United States." The notice below is provided for informational purposes only.


The EPA Administrator, E. Scott Pruitt, and the Senior Official Performing the Duties of the Assistant Secretary of the Army for Civil Works, Douglas W. Lamont, signed the following document on February 28, 2017, and it was published in the Federal Register  on March 6, 2017. The agencies conducted a two-step rulemaking process. The 2015 Clean Water Rule was repealed by the 2019 Rule, which reinstated the 1980s regulations, implemented consistent with the U.S. Supreme Court cases and applicable guidance. The agencies replaced the 2019 Rule with the Navigable Waters Protection Rule in 2020.

  • Notice of Intention to Review and Rescind or Revise the Clean Water Rule (pdf) (166.67 KB)

Waters of the United States

  • About Waters of the United States
    • Programs Utilizing the Definition of Waters of the United States
  • Current Implementation of Waters of the United States
    • Coordination Process and Memoranda to the Field
    • Rule Status and Litigation Update
    • Implementation Tools and Methods
  • Revising the Definition of Waters of the United States
    • Amendments to the 2023 Rule
    • Training Presentations
    • Public Outreach and Stakeholder Engagement Activities
Contact Us about Waters of the United States
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on January 15, 2025
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