EPA Region 8 (Mountains and Plains)

A lone bison standing in a field with mountain in the distance.

EPA Region 8 Map

Map of EPA Region 8, which contains Montana, North Dakota, Utah, Wyoming, South Dakota, and Colorado. Montana North Dakota Utah Wyoming South Dakota Colorado

Serving Colorado, Montana, North Dakota, South Dakota, Utah, Wyoming, and 28 Tribal Nations

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Related Information

Job Openings in Region 8

Mailing Addresses

US EPA, Region 8
1595 Wynkoop Street
Denver, CO 80202-1129

EPA Montana Operations Office
Federal Building
10 West 15th Street, Suite 3200
Helena, MT 59626

EPA Regional Laboratory
Denver Federal Center, Building 25
Lakewood, CO 80225

Popular Resources

Environmental Info

Get state environmental info on the following topics: Air, Water, Enforcement, Cleanups, Toxic Releases, Pesticides and Grants.

Events in Region 8

There are no scheduled public events.

Region 8 News

Additional News

All Region 8 News Releases June 2019–Current 

Region 8 Public Notices

EPA Mountains and Plains (@epa_mountainsandplains) • Instagram photos and videos

U.S. EPA Mountains and Plains Region

About EPA

Contact EPA
Contact EPA to ask a question, provide feedback, or report a problem.
Last updated on August 24, 2026