Plume of toxic chemicals in Green Bay traced to Tyco Fire Products by researchers

Source:, January 9, 2023
By: Jason Zimmerman

A newly-released study says toxic PFAS chemicals have been found in the Bay of Green Bay.

University of Wisconsin-Madison researchers traced a large plume of the so-called “forever chemicals” back to Tyco Fire Products, a Marinette company previously known for mixing firefighting foam at its facility.

Along with water in the bay, researchers also sampled water from ditches, fields and drains out of concerns over wells being contaminated with PFAS. Read more.

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