EPA Region 8 (Mountains and Plains)
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Popular Resources
- Drinking Water
- Superfund sites in Colorado, Montana, North Dakota, South Dakota, Utah, and Wyoming
- Tribal Affairs Branch
Environmental Info
Get state environmental info on the following topics: Air, Water, Enforcement, Cleanups, Toxic Releases, Pesticides and Grants.
Region 8 News
Additional News
All Region 8 News Releases 2017–Current 
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Regional Events, Meetings and National Awareness
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Serving Colorado, Montana, North Dakota, South Dakota, Utah, Wyoming and 28 Tribal Nations
Related Information
- Contact Region 8
- Media Office Inquires
- 303-312-6312 or in the Region 8 states 800-227-8917
- Español: 202-564-9924
- Criminal Investigation Division: 303-312-6134 (24-hour hotline)
- TTY Call-in Line: 800-439-2370
EPA Business Partner, Mass Relay (sign language interpreters, access needs) - EPA Hotlines (Nationwide)
- Organization Chart
- Acting Regional Administrator
- Region 8 Laboratory
- Visiting Region 8
- FOIA Requests
- Region 8 Library
- Region 8 Information Center
Connect with Region 8
Mailing Addresses
US EPA, Region 8
1595 Wynkoop Street
Denver, CO 80202-1129
303-312-6312
800-227-8917 (Region 8 states only)
EPA Montana Operations Office
Federal Building
10 West 15th Street, Suite 3200
Helena, MT 59626
406-457-5000
866-457-2690 (toll free)
EPA Regional Laboratory
Denver Federal Center, Building 25
Lakewood, CO 80225
Job Openings in Region 8
Search job openings in EPA Region 8
Related Information:
Public Comment Opportunities
Air Permitting
- Merit Energy Company - Steamboat Butte E5 Tank Battery in Wyoming
Comment period ends May 7, 2021
- Emergency Watershed Protection Project on the Ute Tribe Reservation in Utah
Comment period ends April 23, 2021 - Six Culvert Replacement and Roadway Repair Projects on the Cheyenne River Reservation in South Dakota
Comment period ends May 5, 2021 - Boat Ramp Construction, Expansion and Extension in North Dakota
Comment period ends May 6, 2021 - Natural Gas Gathering Pipeline on the Ute Tribe Reservation in Utah
Comment period ends May 10, 2021
- Merit Energy Company, LLC in Wyoming
Comment period ends April 22, 2021 - BNSF Railway Company in Wyoming
Comment period ends April 23, 2021 - Arrow Midstream Holdings, LLC in North Dakota
Comment period ends April 29, 2021
- American Gilsonite Company – Bonanza Mine in Utah
Comment period ends May 7, 2021