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 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 This website is no longer updated and links to external websites and some internal pages may not work.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 »

National Pollutant Discharge Elimination System (NPDES)

Final 2015 MSGP Documents

Documents related to Multi-Sector General Permit (MSGP) for 2015. Previous versions can be found on the Previous Versions of EPA's MSGP Versions page.

Note: Additional guidance, including procedures for evaluating effects on NMFS and FWS listed species and critical habitat, can be found on EPA’s Threatened and Endangered Species Eligibility procedures page.

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