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 This website is no longer updated and links to external websites and some internal pages may not work.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


Recovering Value from Waste: Anaerobic Digester System Basics

Biogas recovery may hold the key to unlocking the financial and environmental benefits of managing manure generated from livestock operations and organic wastes from the agriculture and food production sectors. The document below outlines how an anaerobic digester system works as well as factors affecting feasibility and selection of these systems.

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