The U.S. Environmental Protection Agency (EPA) announced on May 14 that it will keep current drinking water regulations on two “forever chemicals,” but will roll back rules on several others.
A rule finalized last year by the EPA under the Biden administration set limits for five individual PFAS (per- and polyfluoroalkyl substances): PFOA, PFOS, PFNA, PFHxS, and HFPO-DA. It gave all public water systems three years to complete monitoring for these chemicals and requires them to inform the public of the level of PFAS in their drinking water.
Where PFAS chemicals exceed the standards, the water systems are required to install systems to reduce PFAS in their drinking water by 2029….