What is the current PFAS contamination situation at 3M's Greystone Facility in Wisconsin, and what legal action is pending?

Local reports indicate PFAS levels near 3M's Greystone Facility in Wausau, Wisconsin are 'hundreds of times above state thresholds', triggering renewed scrutiny; this follows a class-action lawsuit by residents over contaminated private wells, with a court trial scheduled for November 2027.

How much environmental liability does 3M still carry related to PFAS, and what is its stated position on PFAS manufacturing?

3M still carries $7.8 billion in environmental liabilities primarily linked to PFAS issues, despite its efforts to highlight margin improvements and complete its exit from PFAS manufacturing.

3M Company PFAS Risk Returns As Wisconsin Greystone Tests Draw New Scrutiny

May 2, 2026

3M faces renewed scrutiny over PFAS contamination at its Wisconsin Greystone facility, where test levels exceed state thresholds. The company retains $7.8 billion in environmental liabilities linked to PFAS issues ahead of a scheduled court trial in November 2027.

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