Ongoing Remedial Investigation

Aluminum Company; Montana


In the spring of 2016, Roux began a large, ongoing remedial investigation (RI) at a unique site located just outside of Columbia Falls, Montana, during which we investigated the site hydrogeology and determined whether the former aluminum smelter and onsite landfills had any impact on the surrounding environment. A Phase II RI commenced in 2018, and additional RI/feasibility study (FS) work will be conducted over the next three to four years. Read more

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Columbia Falls, Montana


Aluminum Company


Geophysical Surveys

Soil Gas Surveys

Ground-penetrating Radar (GPR)

Soil Sampling

Groundwater Monitoring Well Installation

Asbestos Landfill Test Pitting

Borrow Pit Area Test Pitting

Ecological Assessment

Surface and Groundwater Sampling