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Almost 400 of these water systems – or about 11% of those with a full set of measurements – exceeded a PFAS limit multiple times, meaning they may need to take action to remove PFAS from the ...
The Clean Water Act is the primary federal law in the United States governing water pollution in surface waters. [100] The 1972 CWA amendments established a broad regulatory framework for improving water quality. The law defines procedures for pollution control and developing criteria and standards for pollutants in surface water. [101]
The Michigan Department of Environment, Great Lakes, and Energy introduced some of the strictest drinking water standards in the country for PFAS, setting maximum contaminant levels (MCLs) for PFOA and PFOS to 8 and 16 ppt respectively (down from previous existing groundwater cleanup standards of 70 ppt for both), and introducing MCLs for five ...
3 March 2021 EPA announced that it will develop national drinking water standards for PFOA and PFOS. [109] 17 March 2021 EPA announced plans to revise wastewater standards (effluent guidelines) for manufacturers of PFAS chemicals. [110] 21 April 2021 3M sues the state of Michigan, seeking to invalidate its new drinking water standards. [111]
The "forever chemicals" have turned up in water systems large and small, from those serving a few thousand customers to over half a million. 70 million Americans drink water from systems reporting ...
Flavor-wise and chemical-wise, Spindrift gets some of the highest marks, with 0.19 ppt PFAS, or parts per trillion ("safe" PFAS levels are seen as being below 1 ppt).