Silver Bow Creek - Butte Area Site

  • EPA is committed to protecting the health and safety of the people in Montana

    EPA works with state, local, and other federal officials to implement cleanups across the Butte Superfund Complex.

Cleanup and Progress In and Around Butte, MT...

Since 1983, EPA, in consultation with DEQ, has conducted cleanup actions across Butte and Silver Bow Creek to address decades of contamination resulting from historic mining activities. Cleanup work is ongoing.

Announcements

New Lead Safety Webpage

Tips for Reducing Lead Exposure in the Butte Community

Lead Safety Tips

Remedial Design / Remedial Action Progress Meeting 

May 20, 2025, from 9:00 am to 11:00 am, Atlantic Richfield, EPA, Butte Silver Bow County, Montana DEQ, and the Montana Natural Resource Damage Program invite the public to observe the Butte Priority Soils Operable Unit (BPSOU) Remedial Design/Remedial Action Progress Meeting (RDRA Progress Meeting) in a Zoom event by computer or smart phone. There will be no method for asking questions or making statements.

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Background

Learn about the site background and what has been done to clean up the site.

Current Site Status

Learn about the current site status at the 7 Operable Units, and about the updated soil lead guidance.

Documents

Review publicly available site documents.

Calendar

Find information on upcoming meetings or office hours to speak with EPA staff.

  • Community Resources

    Workings in the water at the site
    • Community Resources
    • Newsletters
    • Recorded Meetings
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  • Frequently Asked Questions

    Large machinery on the site

    Learn about the site on a variety of topics. 

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Last updated on May 19, 2025