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 This website is no longer updated and links to external websites and some internal pages may not work.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

Cooling Water Intakes

Support Documents for Final Rule for Existing Electric Generating Plants and Factories – 2014

The final 2014 rule covers roughly 1,065 existing electric generating plants and factories that are designed to withdraw at least 2 million gallons per day of cooling water.

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