Typical Source of Contaminant Drinking water is one way that people can be exposed to PFAS. In Wisconsin, two-thirds of people use groundwater as their drinking water source. PFAS can get in groundwater from places that make or use PFAS, and release from consumer products in landfills. Contaminant (units) Site RPHGS or HAL (PPT) Level Found Range Sample Date (if prior to 2023) PFOS (ppt) 20 0.36 0.36 PFOA and PFOS total (ppt) 20 0.36 0.36 Typical Source of Contaminant Drinking water is one way that people can be exposed to PFAS. In Wisconsin, two-thirds of people use groundwater as their drinking water source. PFAS can get in groundwater from places that make or use PFAS, and release from consumer products in landfills. Contaminant (units) Site RPHGS or HAL (PPT) Level Found Range Sample Date (if prior to 2023) PFOS (ppt) 20 0.36 0.36 PFOA and PFOS total (ppt) 20 0.36 0.36
