About EPA
EPA Region 8 (Mountains and Plains)
Serving Colorado, Montana, North Dakota, South Dakota, Utah, Wyoming and 27 Tribal Nations
Key Issues
- A-Z Index of all Region 8 topics
- Brownfields
- COOP site
- Environmental Justice
- Libby Asbestos Superfund Site
- Milltown Reservoir Sediments
- Montana Regional Haze Rule
- Pavillion Groundwater Investigation (WY)
- Pesticide Federal Plan for Indian Country
- Recovery Act projects in Region 8
- Rocky Mountain Clean Diesel Collaborative
- Sand Creek/Commerce City (Colo.) Seep Response
- Superfund sites in Colorado, Montana, North Dakota, South Dakota, Utah and Wyoming
- Tribal Assistance Program
- Wyoming Drinking Water Program
- Yellowstone River Spill