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April 12, 2024 - On April 10, 2024, the Environmental Protection Agency (EPA) announced the final National Primary Drinking Water Regulation (NPDWR) establishing legally enforceable levels, called Maximum Contaminant Levels (MCLs), for six PFAS in drinking water.
“Ann Arbor Water is glad the EPA took action to develop national PFAS drinking water standards to protect Americans from these forever chemicals," said City of Ann Arbor Public Service Area Administrator Brian Steglitz. “Proactive investment in treatment technologies by Ann Arbor Water has positioned us to immediately be compliant with these new standards ensuring our customers continue to have access to safe and reliable drinking water. The investments that we have made and strategies that we use for PFAS removal at the Water Treatment Plant allow us to meet these new rules immediately, ahead of the five-year compliance window."
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According to the EPA news release, it expects that over many years the final rule will prevent PFAS exposure in drinking water for approximately 100 million people, prevent thousands of deaths, and reduce tens of thousands of serious PFAS-attributable illnesses. The new EPA limits are lower than the standards that were implemented by the State Michigan in 2020 and take precedence.
The final EPA rule requires:
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