PFAS contamination of drinking water, highlighted by a 2017 article in North Carolina, revealed widespread public concern, especially regarding the GenX contaminant from a Chemours plant. Following legal action and activism, the EPA initiated a PFAS action plan in 2019, aiming to regulate compounds like PFOA and PFOS and assess the harm of GenX. Subsequent administrations advanced regulatory standards that include limits on several PFAS types in drinking water, reflecting ongoing public health concerns related to these chemicals.
In its big-picture PFAS action plan from 2019, the agency said it would attack this complex problem on multiple fronts. It would, for example, consider limiting the presence of two of the best-known compounds - PFOA and PFOS - in drinking water.
Given that certain types of PFAS have been linked to cancer, there was widespread anxiety over its potential danger. The drinking water system, it said, was polluted with a contaminant commonly known as GenX, part of the family of "forever" PFAS chemicals.
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