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DEQ says Montana Pole soils contained in CAMU; groundwater pumps may run indefinitely

6443052 · October 23, 2025
AI-Generated Content: All content on this page was generated by AI to highlight key points from the meeting. For complete details and context, we recommend watching the full video. so we can fix them.

Summary

Jacob Wheeling, project manager for the Montana Pole Superfund Site at the Montana Department of Environmental Quality, told the Butte-Silver Bow Council of Commissioners on Oct. 22 that contaminated soils from the former wood-treatment plant have been placed in a corrective action management unit and that groundwater remains the key remaining problem.

Jacob Wheeling, project manager for the Montana Pole Superfund Site at the Montana Department of Environmental Quality, told the Butte-Silver Bow Council of Commissioners on Oct. 22 that contaminated soils from the former wood-treatment plant have been placed in a corrective action management unit and that groundwater remains the key remaining problem.

The DEQ presentation summarized site history and recent work and explained next steps. "That is where all the soils went that, after they were treated in the land treatment unit, they were put in the repository, because they didn't meet requirements for dioxins," Wheeling said of the CAMU, referring to soils treated on-site and then moved into the RCRA-compliant unit. He described the CAMU as a permanent repository: "The CAMU will stay with us forever," he said.

Why it matters: DEQ’s containment of treated soils narrows the cleanup focus to groundwater contamination and an under‑freeway source area. The council pressed DEQ on how long the…

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