PFAS Observer
On April 10, 2025, at the request of the Environmental Protection Agency (EPA), the U.S. Court of Appeals for the District of Columbia Circuit extended the stay by 30 days in American Water Works Association, et al. v. EPA, No. 24-1188 (D.C. Cir. 2024) to give new leadership time to evaluate the maximum contaminant levels (MCLs) established for six PFAS under the Safe Drinking Water Act. 89 Fed. Reg. at 32,532-33; 40 C.F.R. §§ 141.900-905. The court had previously granted EPA’s February 7 request for a 60-day stay to allow for initial review of the rule. The EPA has until May 12, 2025, to file future motions in the MCL challenge.