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Contact Us about Biosolids

If you have questions about biosolids, please visit the EPA Regional and State Contacts for Biosolids page.

Please use the form to send us comments or questions. Be sure to include your email address if you’d like a response.

Email the Biosolids Program (biosolidsprogram@epa.gov)

Mailing Address:
U.S. Environmental Protection Agency
Office of Water (4301T)
1200 Pennsylvania Avenue, N.W.
Washington, DC 20460