Montana is one of several states that has started regulating per- and polyfluoroalkyl substances (“PFAS”) in groundwater. This client alert reflects the status of PFAS regulations in Montana as of February 20, 2020.

 

Additional information can be found at the Montana Department of Environmental Quality Circular DEQ-7: http://deq.mt.gov/Portals/112/Water/WQPB/Standards/PDF/DEQ7/DEQ-7.pdf