An official website of the United States government.

We've made some changes to 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.

National Pollutant Discharge Elimination System (NPDES)

Introduction to the National Pretreatment Program Webinar

This webinar provides a brief overview of the national pretreatment program and informs interested parties who might otherwise be unfamiliar with the requirements of the program. Topics include how the Clean Water Act pertains to the program, the general pretreatment regulations (40 CFR Part 403), and POTW pretreatment program implementation requirements.

Presentation video:

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