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When Michigan set clean drinking water standards in 2020, they were considered among the toughest in the U.S. The EPA announced stricter standards Wednesday.
The EPA announced on Wednesday that PFOA and PFOS could not exceed four parts per trillion in drinking water; and three additional PFAS are being restricted to 10 parts per trillion, reports NBC News.
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 new drinking water standard would limit contamination from six of the most toxic PFAS compounds by requiring water utilities to test for their presence and then take action to remove the ...
In 2016, more than 5,000 drinking water systems were found to be in violation of the lead and copper rule. [56] Congress passed the Reduction of Lead in Drinking Water Act in 2011. This amendment to the SDWA, effective in 2014, tightened the definition of "lead-free" plumbing fixtures and fittings. [57]
Drinking water quality standards describes the quality parameters set for drinking water. Water may contain many harmful constituents, yet there are no universally recognized and accepted international standards for drinking water. Even where standards do exist, the permitted concentration of individual constituents may vary by as much as ten ...
The EPA’s new standard is the first ever nationally for PFAS in drinking water. It sets limits of 4 parts per trillion for PFOA and PFOS and 10 parts per trillion for PFNA, PFHxS and “GenX ...
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 ...
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