On April 10, 2024, the Environmental Protection Agency (EPA) finalized a National Primary Drinking Water Regulation under the Safe Drinking Water Act to establish Maximum Contaminant Levels (MCLs) for five per- and polyfluoroalkyl substances (PFAS): Perfluorooctanoic acid (PFOA) Perfluorooctane sulfonic acid (PFOS) Perfluorononanoic acid (PFNA) Hexafluoropropylene oxide dimer acid (HFPO-DA,…
The Environmental Protection Agency (EPA) is continuing its push to regulate per- and polyfluoroalkyl substances (PFAS). Just last week, the agency’s revised PFAS regulations under the Safe Drinking Water Act (SDWA) cleared a key regulatory hurdle and could be finalized in the very near future. Similarly, the agency continues to…
On August 17, 2023, the U.S. Environmental Protection Agency (EPA) released preliminary results from the fifth Unregulated Contaminant Monitoring Rule (UCMR) under Section 1445(a)(2) of the Safe Drinking Water Act (SDWA). The UCMR provides a mechanism for the EPA to collect data regarding impacts to public water systems from “emerging…
On March 14, 2023, the EPA proposed a National Primary Drinking Water Regulation under the Safe Drinking Water Act to establish Maximum Contaminant Levels (MCLs) for six per- and polyfluoroalkyl substances (PFAS): Perfluorooctanoic acid (PFOA) Perfluorooctane sulfonic acid (PFOS) Perfluorononanoic acid (PFNA) Hexafluoropropylene oxide dimer acid (HFPO-DA, commonly known as GenX)…