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  2. State and Tribal Assumption of Section 404 of the Clean Water Act

Environmental Counsel of the States (ECOS) Letter regarding Assumable Waters under CWA

This letter is addressed to the EPA from the Environmental Counsel of the States (ECOS). On behalf of the states, ECOS encouraged the EPA to bring clarity and certainty to the identification of assumable and non-assumable waters, should a state assume the 404 program. The Assumable Waters Subcommittee will address this issue.

  • ECOS Assumption Letter (pdf) (179.37 KB)

State and Tribal Assumption of Section 404 of the Clean Water Act

  • About Assumption
  • CWA Section 404(g) Regulatory Requirements
  • State and Tribal Assumption Efforts
Contact Us About the Clean Water Act Section 404(g) Tribal and State Assumption Program
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on September 23, 2024
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