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  2. CWA Section 401 Certification

Upcoming Outreach and Engagement on CWA Section 401 Certification

On September 14, 2023, the U.S. Environmental Protection Agency (EPA or the Agency) announced the final 2023 Clean Water Act Section 401 Water Quality Certification Improvement Rule (2023 Rule). The final rule is grounded in the fundamental authority granted by Congress to states, territories, and Tribes to protect water resources that are essential to healthy people and thriving communities over the past 50 years. On September 27, 2023, the final 2023 Clean Water Act Section 401 Water Quality Certification Improvement Rule was published in the Federal Register. The final 2023 Rule went into effect on November 27, 2023. More information on the final 2023 Rule is available here.

On this page:

  • Current Outreach and Training Opportunities for the Final 2023 Rule
    • Recorded 2023 Rule Overview Webinar
    • View Recorded 2023 Rule Implementation Webinars

Current Outreach and Training Opportunities for the Final 2023 Rule

Recorded 2023 Rule Overview Webinar

  • Overview of the Final 2023 Rule Webinar
    • Public Webinar - 2023 CWA Section 401 Water Quality Certification Improvement Rule Overview (pdf) (396.01 KB)
  • NEW! Implementation Considerations for the Final 2023 Rule Webinar
    • Implementation Considerations Webinar Slides - 2023 CWA Section 401 Water Quality Certification Improvement Rule (pdf) (5.38 MB)

Register for Upcoming Webinars

Public Webinar

  • September 26, 2023 from 1:30pm-3:30pm ET
  • NEW! Recorded Presentation from September 26, 2023
    • Public Webinar Slides from September 26 - 2023 Clean Water Act Section 401 Water Quality Certification Improvement Rule (pdf) (6.02 MB)

Certifying Authorities Webinar

  • September 28, 2023 from 1pm-3pm ET
  • NEW! Recorded Presentation from September 28, 2023
    • NEW!  Certifying Authority Webinar Slides from September 28 - 2023 Clean Water Act Section 401 Water Quality Certification Improvement Rule (pdf) (4.98 MB)
  • October 4, 2023 from 1pm-3pm ET (same presentation as above)

Federal Agencies Webinar

  • October 3, 2023 from 3pm-5pm ET
  • NEW! Recorded Presentation from October 3, 2023
    • NEW!  Federal Agency Webinar Slides from October 3 - 2023 Clean Water Act Section 401 Water Quality Certification Improvement Rule (pdf) (5.07 MB)
  • October 5, 2023 from 2pm-4pm ET (same presentation as above)

Tribes Interested in "Treatment in a Similar Manner as a State" for Section 401

  • October 12, 2023 from 3pm-5pm ET (same presentation as below)
  • October 17, 2023 from 3:30pm-5:30pm ET
  • NEW! Recorded Presentation from October 17, 2023
    • NEW! Tribal Audiences Webinar Slides from October 17 - 2023 Clean Water Act Section 401 Water Quality Certification Improvement Rule (pdf) (7.87 MB)
  • October 18, 2023 from 1-3pm ET​​​​​​ (same presentation as above)

CWA Section 401 Certification

  • CWA Section 401 Certification Overview
  • CWA Section 401 Regulatory Requirements
  • Outreach and Engagement
  • Technical Assistance
  • Resources for when EPA acts as the Certifying Authority
Contact Us about CWA Section 401 Certification
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on November 5, 2024
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