The U.S. Environmental Protection Agency for the first time has established enforceable limits for multiple types of PFAS. The announcement came April 10, and will affect water utilities nationwide.
Public water systems will have three years to complete initial monitoring for PFAS and a five-year window to comply, with officials estimating that between 6% and 10% of systems may require treatment upgrades to meet the new standards. This could impact the drinking water of up to 100 million Americans.
The rule sets limits for five individual PFAS: PFOA, PFOS, PFNA, PFHxS and HFPO-DA (also known as GenX chemicals). The rule also sets a limit for
