On May 14, 2025, the U.S. Environmental Protection Agency (EPA) announced significant updates to its National Primary Drinking Water Regulation (NPDWR) concerning per- and polyfluoroalkyl substances (PFAS). These changes will impact drinking water systems, industrial facilities, and municipalities nationwide—particularly those dealing with PFAS monitoring, treatment, and compliance.

Key Takeaways 
#1: Compliance Deadline for PFOA and…