HELENA—Today, the Montana Department of Environmental Quality (DEQ) published a report on recent monitoring results for Per- and Polyfluoroalkyl Substances (PFAS) in surface water. DEQ and the state of Montana recognize PFAS as emerging contaminants of concern, and a working group of state and local agencies completed the Montana PFAS Action Plan in June of 2020 to proactively identify and reduce or eliminate potential PFAS health risks. The "PFAS Surface Water Monitoring Project 2021 Monitoring Report" implements a portion of the Action Plan.

In 2021, DEQ implemented a limited PFAS monit...