Wisconsin moves forward with PFAS limits that Trump EPA is rolling back

By Danielle Kaeding | Wisconsin Public Radio | February 2, 2026

Read the full article by Danielle Kaeding (Wisconsin Public Radio)

"Efforts to bring Wisconsin’s PFAS regulations in line with contested federal drinking water standards moved forward Wednesday under a rule unanimously approved by the state’s Natural Resources Board.

The rule proposed by the Wisconsin Department of Natural Resources mirrors federal regulations enacted by the Environmental Protection Agency under the Biden administration.

In 2024, the EPA issued a rule that set individual limits for two of the most commonly studied chemicals, PFOA and PFOS, at 4 parts per trillion. The agency also set standards at 10 parts per trillion for three other chemicals: PFNA, PFHxS and GenX. And it set limits on a mix of those three and a fourth chemical, PFBS."