Contact & Location Information
The EPA Region 8 Office is located in Denver, Colorado, and provides regulatory assistance and oversight to the 6 states of Colorado, Montana, North Dakota, South Dakota, Utah and Wyoming, and 27 tribal nations.
Our location and mailing address in Denver is:
U.S. Environmental Protection Agency
1595 Wynkoop St.
Denver, Colorado 80202-1129
U.S.A.
1-303-312-6312
1-800-227-8917 (Region 8 States Only)
To contact us by Email:
Use our Comments Form
or Email directly to r8eisc@epa.gov
The mailing address for our Montana Operations Office is:
EPA Montana Operations Office
Federal Office Building
10 West 15th Street, Suite 3200
Helena, MT 59626
U.S.A.
Telephone: 1-406-457-5000
(toll-free: 1-866-457-5000)
The mailing address for our Regional Laboratory is:
EPA Region 8 Laboratory TMS-L
16194 W 45th Drive
Golden, Colorado 80403
U.S.A.
303-312-7700
To contact an EPA Employee:
Call us at the number cited above to contact a Region 8 employee or:
Use the EPA Employee Directory to identify employees by name, location, phone number and Email address.
To access other EPA RegionsĀ“ websites, visit the Regional locator page.
To contact a program office in Region 8, visit the Region 8 Organization page.
Region 8 Emergency Response Spill Report Hotline:
1-800-227-8914A list of other EPA Information Hotlines is provided on the Frequently Asked Questions page.