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 This website is no longer updated and links to external websites and some internal pages may not work.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

Biological Nutrient Removal Processes and Costs

Information on Biological Nutrient Removal Processes and Costs.

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

Biological Nutrient Removal Processes and Costs - June 2007 (PDF)(15 pp, 467 K, June 2007, EPA 823-R-07-002)

Biological Nutrient Removal Processes and Costs

Related Information