PFAS State Survey: Standards and Guidance Values for PFAS in Groundwater, Drinking Water and Surface Water



Source: Interstate Technology Regulatory Council (“ITRC”) PFAS Fact Sheets updated as of January 2020.
To see the specific state standards or guidance for groundwater, drinking water and surface water refer to Table 4-1 on the ITRC website:

As of February 2020, U.S. EPA has set a Health Advisory Level (“HAL”) of 70 parts per trillion (ppt) of PFOA and PFOS in drinking water; a regional screening level (“RSL”) for PFBS (Perfluorobutane sulfonate and Perfluorobutane sulfonic acid) of 400 µg/L (parts per billion) in tap water and 0.13 mg/kg (parts per million) in soil, and an interim recommended screening level for PFOS and PFOA in groundwater at CERCLA and RCRA sites of 40 ppt (parts per trillion).