An official website of the United States government.

We've made some changes to If the information you are looking for is not here, you may be able to find it on the EPA Web Archive or the January 19, 2017 Web Snapshot.


Requests of the AgSTAR Program

AgSTAR can help with your request

Use the form below to let us know if you:

  • Have an anaerobic digester project story or update to share.
  • Have a technical question that is not addressed on our Planning Anaerobic Digester Projects page.
  • Want to receive updates from AgSTAR about anaerobic digester projects and programs.
  • Have general questions or feedback about AgSTAR or this website.

If you are a vendor that wants to be listed in the Vendor Directory, please add your company's information to the contact form below.

Regular or certified mail address
MC 6207A
1200 Pennsylvania Ave., NW
Washington, DC 20460

UPS/FedEx/Overnight mail address
1201 Constitution Ave., NW
Room 4355KK
Washington, DC 20005

Please enter your name.
Enter the name of your organization.
A valid email address is required to join the AgSTAR listserv.
Please enter your comments.
Please type "Yes" if you are a human.