An official website of the United States government.

This is not the current EPA website. To navigate to the current EPA website, please go to www.epa.gov. This website is historical material reflecting the EPA website as it existed on January 19, 2021. This website is no longer updated and links to external websites and some internal pages may not work. More information »

Water Infrastructure Finance and Innovation Act (WIFIA)

WIFIA Program Handbook

The WIFIA Program Handbook describes how EPA administers the WIFIA program. Upon reading this handbook, prospective borrowers should be able to understand the requirements and procedures for obtaining WIFIA credit assistance and complying with WIFIA program rules and regulations.

You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.