Caselton Mine Area and Mill Site

The Multistate Environmental Response Trust (Multistate Trust), with the Nevada Division of Environmental Protection (NDEP), is investigating and addressing mine- and mill-related contamination at the Caselton Mine Area and Mill Site (Site) near Pioche, Nevada.

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What’s Happening at the Site?

Cleanup

The Multistate Trust is evaluating and remediating waste rock, tailings, and related contamination at the Site, especially near residential areas.

Documents

Visit our information repository for technical documents, fact sheets, and other resources about the Site.

Events

The Multistate Trust, together with the NDEP, hosted a community meeting June 28, 2023 to update residents and other stakeholders about Site investigations, cleanup activities, and reuse planning. See the presentation here.

Brief Overview

Site Overview

Decades of mining and milling in the Pioche Mining District left a legacy of wastes and contaminants, including lead and arsenic.

Reuse

The Multistate Trust works with and supports its beneficiaries and various agencies to investigate contamination and plan for future Site reuse.

Community

The Multistate Trust is committed to informing and involving Caselton stakeholders and the surrounding community.

FAQs

Find answers to frequently asked questions about the Site and the Multistate Trust.

The Multistate Trust

The Multistate Trust is a private, independent environmental response trust created as part of a bankruptcy settlement and dedicated to protecting human health and the environment. Since 2011, the Multistate Trust has been responsible for owning, investigating, and cleaning up the Site, and facilitating its safe reuse. Visit the Multistate Trust website.

Greenfield Environmental Multistate Trust LLC is the court-appointed Trustee of the Multistate Trust. The Trustee’s corporate parent and sole member is Greenfield Environmental Trust Group, Inc. (Greenfield). Visit the Greenfield website.

Questions?

Please contact us.