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.

Section 404 of the Clean Water Act

Section 404(b)(1) Guidelines (40 CFR 230)

Regulations established by the EPA that constitute the substantive environmental criteria used in evaluating activities regulated under Section 404 of the Clean Water Act.

You may need Adobe Reader to view files on this page. See EPA’s About PDF page to learn more.