The week of February 2, 2026, Atlantic Richfield will be starting the Butte Reduction Works (BRW) Phase II Demolition work. This phase will be completed in approximately three months. This work will be conducted to support remediation of BRW and subsequent...
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Remedial Action Construction to Begin at UR-35
JCI will be starting remedial action construction at UR-35 on Monday August 6, 2025. The project is anticipated to be completed in approximately 30 working days. JCI will implement necessary signage and traffic control required to complete the construction...
Atlantic Richfield to continue demolition and disposal activities at the Butte Reduction Works
Atlantic Richfield will continue demolition at Butte Reduction Works (BRW) to support remediation of BRW and subsequent construction of the Silver Bow Creek Conservation Area. Construction crews will demolish segments of the slag wall immediately adjacent to Montana Street, the foundation of the former smelter stack, and the remainder of the furnace foundation. Demolition will begin in early February and is expected to conclude by late spring of 2025. Future waste excavation, stream reconstruction, capping, and installation of groundwater controls won’t be completed until remedial design plans are reviewed and approved by EPA, in consultation with DEQ.
Please follow the link for more information: AR demolition and disposal at Butte Reduction Works (FAQs and map) – Jan 2025 v2