State litigation guide · Wisconsin

PFAS Water Contamination Lawsuit in Wisconsin

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Statute of limitations — Wisconsin

Wisconsin has a 3-year statute of limitations for personal injury claims from the date of discovery.

3 years from discovery of injury and PFAS connection

Filing venue

Where to File in Wisconsin

Wisconsin personal injury claims are governed by Wis. Stat. § 893.54, providing a 3-year limitations period from discovery. Federal PFAS claims proceed in MDL 2873 (D.S.C.). Marinette, Wisconsin is uniquely significant — Tyco Fire Products (Ansul Company), one of the major defendants in MDL 2873 and an AFFF manufacturer, operated in Marinette and contaminated local groundwater with PFAS. Marinette residents have filed PFAS claims directly against Tyco/Ansul. Volk Field ANG in Juneau County and Truax Field ANG in Madison are additional military PFAS sources.

Wisconsin data

Exposure in Wisconsin

Ansul Company (a Tyco Fire Products subsidiary), one of the major AFFF manufacturers named in MDL 2873, operated in Marinette, Wisconsin. The Marinette facility contaminated local groundwater with PFAS from AFFF production, and Marinette residents have filed PFAS personal injury and property claims against Tyco/Ansul — one of the few cases targeting an AFFF manufacturer directly at its production facility.

Tyco/Ansul Marinette — AFFF manufacturer's Wisconsin facility contaminated Marinette groundwater with PFAS; Marinette residents filed PFAS claims directly against the AFFF maker

Source: State of Wisconsin v. Tyco Fire Products / Ansul Co.; Marinette County environmental records

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