DNR Releases Latest Sampling Results Revealing Broader PFAS Presence in Madison Area Lakes and Yahara River Chain

On January 21st, the Wisconsin Department of Natural Resources announced the presence of elevated levels of per- and polyfluoroalkyl substances (PFAS) in surface water samples taken from Madison-area lakes and along the Yahara River.

The Wisconsin State Laboratory of Hygiene Organic Chemistry Section analyzed the samples for 36 PFAS compounds, including PFOS and PFOA.