Hayleigh Shobar

On Sunday, September 27, amid a flurry of other bills recently signed into law, Governor Newsom signed AB 1603, which requires the California Department of Pesticide Regulation (DPR) to publish a list of pesticides registered in California that contain PFAS, and further requires DPR to identify and describe statewide trends regarding the use of PFAS-containing pesticides.

In June 2026, FDA updated its website to include priority targets for future risk management actions, including those related to bottled water. FDA’s website indicates that it is working on a regulation to establish allowable levels for certain PFAS in its standard of quality regulation for bottled water (21 CFR § 165.110). The website specifies that FDA sets allowable levels regarding contaminants with EPA levels for drinking water, subject to certain exceptions.

On May 18, EPA published a proposed Safe Drinking Water Act (SDWA) rule (available here) that would rescind the portions of the Biden Administration EPA’s 2024 PFAS National Primary Drinking Water Regulations pertaining to perfluorohexane sulfonic acid (PFHxS), perfluorononanoic acid (PFNA), hexafluoropropylene oxide dimer acid and its ammonium salt (HFPO-DA, commonly known as GenX chemicals), and mixtures of these three PFAS plus perfluorobutane sulfonic acid (PFBS), including the final...