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

Mailing Address:

U.S. Environmental Protection Agency
National Homeland Security Research Center
26 West Martin Luther King Drive
Cincinnati, OH 45268

Phone: (513) 569-7404
Fax: (513) 487-2555

Report a Violation

Report possible violations of environmental laws and regulations.