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Butte Reduction Works Phase II Demolition

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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Geotechnical Investigation – Kaw Avenue at George and Casey Streets

Oct 7, 2022

During the week of October 10th, Atlantic Richfield Company will complete a Design Investigation for Buffalo Gulch, Diggings east, and Northside Tailings areas adjacent to Kaw Avenue at George and Casey Streets. This investigation involves geotechnical drilling to define underlying soil characteristics for proposed construction activity associated with the Butte Priority Soils Operable Unit cleanup.  Portions of open space in the area may be closed.