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.

    • 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
    • EPA Administrator
    • 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

  • Colorado, Montana and Utah to receive over $1.6M in EPA grants to prevent pollution

  • Biden-Harris administration announces over $140M for water infrastructure in EPA Region 8 states  

  • Biden-Harris Administration announces $8.14 million to upgrade older diesel engines to cleaner solutions for Colorado communities

  • Biden-Harris Administration announces $3.2 million to upgrade older diesel engines to cleaner solutions for Utah communities

  • The EPA proposes new lead cleanup level for Butte

Additional News

All Region 8 News Releases June 2019–Current 

Get EPA Region 8 News by Email

EPA Region 8 RSS feed

Region 8 Public Notices

  • Clean Water Act Certification for Two Medicine Road Project in Glacier National Park

  • Proposed Plan for Lead Cleanup in Residential Soils in Butte 

  • Opportunity to Comment on Draft Permit for the Thunder Butte Wastewater Treatment Facility in North Dakota

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

  • Opportunity to Comment on Draft Permit for the Bureau of Land Management Park Center Well in Colorado

  • Currently on page 1
  • Page 2

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 Us to ask a question, provide feedback, or report a problem.
Last updated on October 15, 2024
  • Assistance
  • Ayuda
  • مساعدة
  • 帮助 (简体版)
  • 幫助 (繁體版)
  • Aide
  • Asistans
  • 지원
  • Assistência
  • Помощь
  • Tulong
  • Trợ Giúp
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.