Once you have tested your water: The state’s current Drinking Water standard for PFAS is 20 parts per trillion (ppt) for the sum of the following six PFAS: PFOA, PFOS, PFDA, PFNA, PFxHS, and PFHpA.  If your drinking water exceeds this standard, you can tell DEP by contacting pfas.dep@maine.gov or David.Madore@maine.gov, 207-287-5842.  That way they