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Details about the EPA's new PFAS drinking water standards: For PFOA and PFOS, EPA is setting a maximum contaminant level (MCL) goal, a non-enforceable health-based goal, at zero.
EPA estimates that between about 6% and 10% of the 66,000 public drinking water systems subject to this rule may have to take action to reduce PFAS to meet these new standards.
The EPA standard for PFAS in drinking water is now 4 parts per trillion, down from 70 ppt. Health and environmental advocates have sought such a standard for decades in the face of stiff industry ...
Eleven states already have regulatory standards for PFAS in drinking water. The EPA estimated that 6% to 10% of the country’s public water systems — 4,100 to 6,700 systems in total — will ...
In 2020, Michigan adopted drinking water standards for five previously unregulated PFAS compounds including HFPO-DA which has a maximum contaminant level (MCL) of 370 parts per trillion (ppt). [7] [8] In March 2023, the EPA announced drinking water standards for several PFAS chemicals, which included FRD-903. [9] [10]
Of the 66,000 public drinking water systems impacted by the new standards, the EPA estimates that between 4,100 and 6,700 will eventually have to take action to reduce PFAS contamination.
Maximum contaminant levels (MCLs) are standards that are set by the United States Environmental Protection Agency (EPA) for drinking water quality. [1] [2] An MCL is the legal threshold limit on the amount of a substance that is allowed in public water systems under the Safe Drinking Water Act (SDWA).
The EPA estimates that between about 6% and 10% of the 66,000 public drinking water systems subject to this rule may have to take action to reduce PFAS to meet these new standards.