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 This website is no longer updated and links to external websites and some internal pages may not work.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

Ohio NPDES Permits

In Ohio, EPA issues all NPDES permits on tribal lands. See the table below for final and draft permits issued by EPA. All other permits are issued by the Ohio Environmental Protection Agency.

Request to Transfer Ohio NPDES CAFO Program

For state-issued permits, visit Ohio EPA's Surface Water Permit ProgramExit