Skip to main content
U.S. flag

An official website of the United States government

Here’s how you know

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

HTTPS

Secure .gov websites use HTTPS
A lock (LockA locked padlock) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Emergency

This is not the current EPA website. To navigate to the current EPA website, please go to www.epa.gov. This website is historical material reflecting the EPA website as it existed on January 19, 2025. This website is no longer updated and links to external websites and some internal pages may not work. More information »

    • Environmental Topics
    • Air
    • Bed Bugs
    • Cancer
    • Chemicals, Toxics, and Pesticide
    • Climate Change
    • Emergency Response
    • Environmental Information by Location
    • Environmental Justice
    • Greener Living
    • Health
    • Land, Waste, and Cleanup
    • Lead
    • Mold
    • Radon
    • Research
    • Science Topics
    • Water Topics
    • A-Z Topic Index
    • Laws & Regulations
    • By Business Sector
    • By Topic
    • Compliance
    • Enforcement
    • Laws and Executive Orders
    • Regulations
    • Report a Violation
    • Environmental Violations
    • Fraud, Waste or Abuse
    • About EPA
    • Our Mission and What We Do
    • Headquarters Offices
    • Regional Offices
    • Labs and Research Centers
    • Planning, Budget, and Results
    • Organization Chart
    • EPA History
    • Staff Directory

Breadcrumb

  1. Home
  2. About EPA

EPA Region 8 (Mountains and Plains)

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

field of lupine at Wyoming's National Elk Refuge with mountain in the background. USFWS public domain.

Find us on Instagram  Find US EPA Region 8 Region on Instagram

Find us on Facebook  Follow US EPA Region 8 Region on Facebook

Find us on X  Find US EPA Region 8 Region on X 

White card with the @ symbol sticking out of a blue envelope.
 

Stay Connected

There are no public events at this time.

Related Information
  • Media Office Inquiries
  • Region 8 Administrator
  • Organization Chart

Job Openings in Region 8

  • Internships Available at EPA
  • Search job openings in EPA Region 8
  • How to apply
  • Contact Region 8
    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)
  • Region 8 Laboratory
  • Visiting Region 8
  • Region 8 Library
  • Region 8 Information Center
  • FOIA Requests
  • Environmental Sustainability at the Region 8 Headquarters Building 

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
406-457-5000
866-457-2690 (toll free)

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

    Popular Resources

    • Silver Bow Creek/Butte Area Superfund Site
    • Bonita Peak Mining District Superfund Site
    • Colorado Smelter Superfund Site
    • Environmental Justice in Region 8
    • Brownfields 
    • 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.

    • Colorado
    • Montana
    • North Dakota
    • South Dakota
    • Utah
    • Wyoming

    Region 8 News

    • EPA and CDPHE partner to strengthen civil rights in Colorado

    • Boulder company among 24 small businesses receiving a total of $2.4M to develop innovative environmental technologies

    • EPA and Montana DEQ announce Cleanup Plan for Columbia Falls Aluminum Company Superfund Site

    • EPA and Department of Energy announce $345M to reduce methane pollution from the oil and gas sector in Colorado and Wyoming 

    • EPA cites Salt Lake City building owner for not providing lead paint hazard notice

    Additional News

    All Region 8 News Releases June 2019–Current 

    Get EPA Region 8 News by Email

    Region 8 Public Notices

    • Underground Injection Control Program Aquifer Exemption Denial for Aethon Energy Operating LLC, Marlin 29-21 WDW, Fremont County, Wyoming


    Region 8 Facebook

     

    About EPA

    • Our Mission and What We Do
    • EPA Administrator
    • Headquarters Offices
    • Regional Offices
    • Labs and Research Centers
    • EPA Organization Chart
    • EPA History
    • Staff Directory
    Contact EPA
    Contact EPA to ask a question, provide feedback, or report a problem.
    Last updated on December 9, 2024
    • Assistance
    • Ayuda
    • Arabic
    • Chinese (simplified)
    • Chinese (traditional)
    • Aide
    • Asistans
    • Korean
    • Assistência
    • Russian
    • Tulong
    • Vietnamese
    United States Environmental Protection Agency

    Discover.

    • Accessibility Statement
    • Budget & Performance
    • Contracting
    • EPA www Web Snapshot
    • Grants
    • No FEAR Act Data
    • Plain Writing
    • Privacy
    • Privacy and Security Notice

    Connect.

    • Data
    • Inspector General
    • Jobs
    • Newsroom
    • Regulations.gov
    • Subscribe
    • USA.gov
    • White House

    Ask.

    • Contact EPA
    • EPA Disclaimers
    • Hotlines
    • FOIA Requests
    • Frequent Questions

    Follow.