2023 East Helena Site Update Fact Sheet, November 2023

Download our 2023 fact sheet about the East Helena Smelter Site project to read about cleanup work and groundwater updates, the slag removal project, and redevelopment progress.



Fact Sheet: New Soil Repository on Smelter Road, May 2023

The East Fields soil repository has closed. But the new Smelter Road soil repository is now open. Learn about soil disposal at the new Smelter Road repository, including any permit and certification requirements, who to contact in advance to arrange for disposal, and how to find the new repository.
Download the fact sheet about the new Soil Repository on Smelter Road here.

East Helena Smelter Site Project Update Fact Sheet, December 2022

Read our fact sheet about the East Helena Smelter Site project. Updates include the environmental solutions, cleanup results, the current slag reprocessing project, and ongoing redevelopment work.

Download the PDF here.

East Helena Greenway Project Fact Sheet, December 2020

METG has transferred over 320 acres of former ASARCO lands to the Prickly Pear Land Trust (PPLT) for the Greenway Project along Prickly Pear Creek. Review the fact sheet prepared jointly by PPLT and METG to learn more about the long-envisioned Greenway Project.

Download the fact sheet here (PDF)

This map shows the parcels conveyed to the Prickly Pear Land Trust for development of the Greenway Project 8-mile trail system.

Fact Sheet: Update on Corrective Measures to Address Arsenic in Groundwater, October 2020

We prepared this October 2020 fact sheet with the U.S. Environmental Protection Agency (EPA) to provide an update on cleanup actions to address arsenic contamination in groundwater at the East Helena Site. The fact sheet explains corrective measures taken to date, as well as next steps and future plans. Download the fact sheet here (PDF)

Fact Sheet: East Helena Cleanup—A Model of Environmental Protection and Sustainability

This Fact Sheet was prepared by the U.S. Environmental Protection Agency (EPA) and the Montana Environmental Trust Group, LLC, Trustee of the Montana Environmental Custodial Trust. It covers the environmental challenge of the former ASARCO Smelter in East Helena, the cleanup solution, the results, and what comes next.

Download this 9.48 MB PDF

Prickly Pear Creek (PPC) Fact Sheet

Download the PDF Fact Sheet containing information about:

  • Background
  • Existing Water Control Structures
  • What is the Upper Lake (UL) Aquifer Test?
  • Prickly Pear Creek (PPC) Studies
  • Cleanup Activities and Interim Measures
  • Current Concerns About Prickly Pear Creek (PPC)
  • How Will Clean Up Plans Improve Prickly Pear Creek (PPC)?
  • Interested in More Information?