PFAS articles

On April 10, 2024, the US Environmental Protection Agency (USEPA) finalized the National Primary Drinking Water Regulation (NPDWR) for six per- and polyfluoroalkyl substances (PFAS), together with their isomers and various salts.1 In this article, we summarize implications for water companies and municipalities. We also look beyond the NPDWR to discuss broader potential implications of the MCLs.

The United States Environmental Protection Agency’s new reporting rule for the use of PFAS is in effect. Who needs to report, what needs to be reported, and when is the deadline? Ramboll has developed a planner to provide general guidance about workflow and timing to meet regulatory deadlines.

Sampling for 29 per- and polyfluoroalkyl substances (PFAS) under Unregulated Contaminant Monitoring Rule 5 (UCMR5) is being performed in 2023-2025. The US Environmental Protection Agency (USEPA) recently released the first batch of results from approximately 4,600 samples collected from 2,000 public drinking water supplies in January-June 2023.