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 This website is no longer updated and links to external websites and some internal pages may not work.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. Navajo Nation: Cleaning Up Abandoned Uranium Mines
  3. Abandoned Mines Cleanup
  4. – Eastern Region
  5. Ruby Mines

Mac and Black Jack Mines Fact Sheets

Related Fact Sheets
  • Eastern Abandoned Uranium Mine Region
  • Mac and Black Jack Mines
  • Mariano Lake Mine
  • Northeast Church Rock Mine
  • Ruby Mines

EPA fact sheets providing site history and updates of the cleanup progress of the Mac and Black Jack Mines.

Free viewers and readers are available to access documents on our website. If you encounter issues with assistive technology, please contact us.

  • EPA Fact Sheet: The Mac and Black Jack Mines Cleanup Alternatives (pdf) (1.49 MB, October 2023)
    This fact sheet presents background information on the mine sites, the alternatives being considered as part of the response action decision making, and the next steps in the process including providing input on the Engineering Evaluation/Cost Analysis (EECA).
  • EPA Fact Sheet: Mac and Black Jack Mines (pdf) (1.2 MB, June 2019)
    EPA fact sheet providing site history and an update of the cleanup progress of the Mac and Black Jack Mines.

Navajo Nation: Cleaning Up Abandoned Uranium Mines

  • Health Effects of Uranium
  • Contaminated Structures
    • Contaminated Structures Project
  • Safe Drinking Water
    • Water Sampling Results
  • Abandoned Mines Cleanup
    • Administrative Records
    • Federal Plans
      • Related Documents
    • ASPECT Aerial Survey
    • Screening Assessment Report and Atlas
    • Site Screen Reports
    • Additional Documents
    • – Central Region
      • Cyprus Amax & Western Nuclear Mines
      • Black Mesa Mining District
    • – Eastern Region
      • – Community Involvement Plan
      • – Fact Sheets
      • Ambrosia Lake Mines (Tronox)
      • Cyprus Amax & Western Nuclear Mines
      • Mac and Black Jack Mines
      • Mariano Lake Mine
      • Northeast Church Rock Mine
      • Old Church Rock Mine
      • Quivira Mines (NEW!)
      • Ruby Mines
      • Section 32/33 Mines (Tronox)
    • – North Central Region
      • Skyline Mine
    • – Northern Region
      • Cove Area Mines
      • Lukachukai Mountains Mining District (LMMD)
      • Cyprus Amax & Western Nuclear Mines
    • – Western Region
      • – Community Involvement Plan
      • – Fact Sheets
      • – Maps
      • El Paso Natural Gas Mines
      • EnPro Holdings Inc.
      • Section 9 Lease Mines
    • – Tronox Mines
      • – Fact Sheets
      • – Financial Reports
      • – Northern Agency RSE Report
    • – Trust Mines
      • Fact Sheet
      • Legal Document and Settlements
      • Technical Reports
  • Working With Communities
  • Contracting With EPA
    • RAES Employment and Training Reports
Contact Us
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on January 2, 2025
  • 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.