Contact Us About EPA in Indiana
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.
Call Region 5 toll-free at 800-621-8431
Call us on weekdays from 8:00 am to 4:30 pm Central time. You can leave a message if you call outside of business hours.
Mailing Address:
US EPA Region 5
77 W. Jackson Blvd.
Mail Code RE-19J
Chicago, IL 60604-3590
Email: r5hotline@epa.gov
Report a Violation - Report possible violations of environmental laws and regulations.