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 This website is no longer updated and links to external websites and some internal pages may not work.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

PFOA, PFOS and Other PFASs

Contact Us About PFOA, PFOS and Other PFASs

Report an environmental violation

Report possible violations of environmental laws and regulations.

Got questions about PFOA, PFOS or other PFAS in your drinking water?  View the questions and answers on our Drinking Water Health Advisories for PFOA and PFOS page.  If your question is not answered there, contact the Safe Drinking Water Hotline. 

For non-drinking-water-related questions, use the mailing address or contact form below.

Mailing Address:

1200 Pennsylvania Avenue, N.W.
Mail Code 1701A
Washington, D.C. 20460

Please use the form below to send us comments or questions about PFAS, other than questions about drinking water. Be sure to include your e-mail address if you’d like a response.  If your question is about drinking water, we will be unable to send you a response.

PFOA, PFOS and Other PFASs