MADISON — Gov. Tony Evers today announced that he has approved new changes to bring the state’s current drinking water standards in line with federal limits for per- and polyfluoroalkyl substances (PFAS), reducing the state’s threshold for PFAS contamination from its current, outdated level of 70 parts per trillion (ppt) to a new enforceable standard of 4.0 part per trillion (ppt) for certain contaminants—an effort that will significantly improve drinking water standards and