11 September 2020 - EPA finalized the “Clean Water Act Section 401 Certification Rule”

On June 1, 2020, EPA finalized the "Clean Water Act Section 401 Certification Rule" to implement the water quality certification process consistent with the text and structure of the CWA. The final rule became effective on September 11, 2020. See Docket ID No. EPA-HQ-OW-2019-0405 for additional information.

The final rule is available through the Federal Register website at: https://www.epa.gov/sites/production/files/2020-07/documents/clean_water_act_section_401_certification_rule.pdf

Additional information is available on the EPA’s website at: https://www.epa.gov/cwa-401/statutory-and-regulatory-requirements-cwa-section-401-certification