EPA v. Anaconda Aluminum Co. Columbia Falls Reduction Plant Superfund Site

Case summary

This Order directs Respondent to develop certain Remedial Design components and prepare a supplemental Biological Assessment and perform consultation under the Endangered Species Act, requirements described in the Record of Decision (ROD) for the Anaconda Aluminum Co. Columbia Falls Reduction Plant Superfund Site (also known as the Columbia Falls Aluminum Company Superfund Site) near Columbia Falls, Montana (Site), dated January 10, 2025.

Defendants (1)

• Anaconda Aluminum Co.Named in complaintNamed in settlement

Facilities (1)

• ANACONDA ALUMINUM CO COLUMBIA FALLS REDUCTION PLANT

  EASTERN END OF ALUMINUM DRIVE, COLUMBIA FALLS, MT, 59912

  Registry ID: 110055211257

Statutes cited

• CERCLA 106A — Imminent & Substantial Endangerment Order

Enforcement conclusions (1)

• Anaconda Aluminum Co. Columbia Falls Reduction Plant Superfund Siteentered 2025-07-31

  Primary law: CERCLA

Timeline (2 milestones)

• 2025-07-31Final Order Issued
• 2025-08-25Enforcement Action Data Entered