Tag: NPDWR

EPA to Keep Maximum Contaminant Levels for PFOA and PFOS

On May 14, 2025, the EPA announced it will keep the current National Primary Drinking Water Regulations (NPDWRs) for perfluorooctanoic acid (PFOA) and perfluorooctane sulfonic acid (PFOS), which set nationwide limits for these “forever chemicals” in drinking water. “The Agency is committed to addressing Per- and Polyfluoroalkyl substances (PFAS) in drinking water while following the […]

EPA Requests Additional Time in Drinking Water PFAS Litigation

The EPA recently requested additional time from the D.C. Circuit Court of Appeals to prepare its response in a case challenging its final per- and polyfluoroalkyl substances (PFAS) Maximum Containment Levels (MCLs). Petitioners and other respondents aren’t opposed to the request for additional time. The case, American Water Works Association and Association of Metropolitan Water […]

Thumb press the drinking water fountain

EPA Proposes New Lead Trigger Level to Reduce Exposure

The EPA’s new proposal to reduce childhood exposure to lead in drinking water seeks to strike a balance between the need for more protection and the stubborn complexity of the risk. Under the proposal, public water systems (PWSs) would be subject to six new general requirements (which include many more specific requirements), including taking an […]

Drinking water

EPA Proposal Seeks Limit for Perchlorate in Drinking Water

Stating that the benefits of a National Primary Drinking Water Regulation (NPDWR) for perchlorate do not justify the costs of such a regulation, the EPA is nonetheless proposing an NPDWR for the chemical. Under the proposal, the Agency would set the NPDWR at a Maximum Contaminant Level (MCL) of 56 micrograms per liter (µg/L). The […]