3M’s $7B PFAS Settlement

3M agreed to pay up to $7.35 billion over nine years to resolve groundwater exposure claims from as many as 120,000 people who allege illness tied to PFAS contamination near military bases, airports and other foam‑use sites; payouts start this year and ramp to ~ $1+ billion annually from 2028–2033, with opt‑in thresholds that could void the deal if participation is low. The settlement follows earlier 3M commitments (more than $10 billion) to public water systems and does not include an admission of liability. — This settlement both quantifies the financial scale of PFAS liability and sets a precedent that will shape corporate risk management, cleanup funding, regulatory enforcement and future mass‑tort strategies for environmental contaminants.