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 Assistance Program
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
National Pollution Discharge Elimination System
- GSK-Hamilton Pharmaceuticals in Montana
Comment period ends January 23, 2021 - City of Eagle Butte Wastewater Treatment Facility in South Dakota
Comment period ends February 23, 2021
- Potable Water Supply Pipeline within the Southern Ute Indian Tribe Reservation
Comment period ends January 29, 2021 - Aquatic Habitat Restoration Project on the Bighorn River in Montana
Comment period ends February 1, 2021 - Boat Ramp Stabilization and Maintenance Project within the MHA Nation, North Dakota
Comment period ends February 3, 2021
- Middle Fork Energy Uinta, LLC in Utah
Comment period ends January 21, 2021 - Kinder Morgan CO2 Company LP's Hovenweep 1 Well Renewal in Colorado
Comment period ends February 3, 2021 - Oxy USA, Incorporated Garcia No. 1 Well Renewal in Colorado
Comment period ends February 7, 2021 - Berry Petroleum Company, LLC's Brundage Canyon Area Permit in Utah
Comment period ends February 18, 2021