An official website of the United States government.

We've made some changes to EPA.gov. If the information you are looking for is not here, you may be able to find it on the EPA Web Archive or the January 19, 2017 Web Snapshot.

CWA Section 401 Certification

Public Webinar for the Proposed “Updating Regulations on Water Quality Certification” Rule

On August 8, 2019, the EPA signed a proposed rule to implement Clean Water Act section 401. On August 20, 2019, the EPA hosted a public webinar to help explain the key elements of the proposed “Updating Regulations on Water Quality Certifications” rule. The webinar was recorded and will be posted on this website for those who were unable to attend.