EPA Reversal On Perchlorate Water Standard May Set Precedent For PFAS

In an expected move, EPA has issued a final decision that federal regulation of perchlorate in drinking water is unnecessary because water systems have sufficiently lowered the chemical’s occurrence in the water supply, potentially setting a precedent for making a similar argument against regulation of two per- and polyfluoroalkyl substances (PFAS). The June 18 announcement that drops a 2019 Safe Drinking Water Act (SDWA) proposal to set a maximum contaminant level (MCL) -- an enforceable drinking water limit -- of...