Minnesota sues 3M again over PFAS pollution near Mississippi River

KSTP | May 12, 2026

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"The state is suing 3M again, accusing the company of continuing to pollute groundwater and the Mississippi River with PFAS “forever chemicals.”

The Minnesota Pollution Control Agency (MPCA) says new testing near 3M’s Cottage Grove site found PFAS levels far above the state limits, in an area already under a fish consumption advisory.

The agency also says 3M is behind on required cleanup work ordered in 2022.

3M tells us it’s invested heavily in PFAS cleanup and plans to end PFAS production by 2025, and say they met that goal, arguing the state’s new lawsuit belongs in federal court."

Location:

• North AmericaUS
• North AmericaUSMinnesota

Topics:

• ChemicalsPFAS
• SourcesManufacturing facilities
• Sources3M
• Affected community
• Health
• Litigation
• Measurement Techniques
• Monitoring Data