Read the full article by Danielle Kaeding (WPR)
“Early results of a new study show landfill runoff contained the highest levels of PFAS among liquid wastes sampled statewide in Wisconsin.
Since 2023, researchers at the University of Wisconsin-Madison have been collecting and analyzing samples from four waste materials that could be potential sources of PFAS in groundwater, which provides drinking water to two-thirds of state residents. It’s also a source of drinking water for around 800,000 private wells.
They collected nearly 50 samples from septage, wastewater, landfill runoff known as leachate and biosolids or sewage sludge that’s spread on farm fields. Researchers shared their findings during a recent meeting of the state’s Groundwater Coordinating Council, as well as with WPR.” …