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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 ...
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).
USGS map showing the number of PFAS detections in tap water samples from select sites across the U.S. In April 2024, the EPA issued a final drinking water rule for PFOA, PFOS, GenX, PFBS, PFNA, and PFHxS. Within three years, public water systems must remove these six PFAS to near-zero levels. States may be awarded grants up to $1 billion in aid ...
If PFAS levels are concerning, consumers can purchase an under-the-counter water filter for their tap. NSF, formerly the National Sanitation Foundation, has a list of recommended filters .
For example, Minnesota recommends a guidance value of 0.027 μg/L for PFHxS, [23] and Michigan has a screening level of 0.084 μg/L for PFHxS. [4] In 2020, Michigan adopted drinking water standards for 5 previously unregulated PFASs including PFHxS, which has a maximum contaminant level (MCL) of 51 parts per trillion (ppt) or 0.051 μg/L. [24] [25]
Under the new rule, water providers must ensure there are less than 4 parts per trillion (ppt) of PFOA and PFOS chemicals, two of the most common types of PFAS, in drinking water samples.
At the Maysville water plant, the 2019 tests by the state Division of Water detected PFOA at a level of 5.09 ppt, but additional testing so far this year did not detect any PFAS chemicals above ...
2016 The EPA "published a voluntary health advisory for PFOA and PFOS" which warned that "exposure to the chemicals at levels above 70 parts per trillion, total, could be dangerous." [71] 2016 The city of Lake Elmo, Minnesota, sued 3M a second time for polluting their drinking water with PFAS chemicals.
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