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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 ...
In 2017, Wynn-Stelt learned from health officials testing her residential well that it contained PFAS levels up to 76,000 parts per trillion. Wynn-Stelt's blood concentrations for the compounds ...
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]
One of twenty deer tested near Clark's Marsh was found to have a PFOS level of 547 parts per billion (ppb) taken from a muscle sample. It is unknown how PFAS could accumulate to the level seen in the deer found near Clark's Marsh. All deer except the one with elevated levels at Clark's Marsh were found to have no or very low levels of PFAS ...
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 .
Water filtration systems have been installed in homes where the PFAS exceeded safe levels. Call IndyStar reporter Sarah Bowman at 317-444-6129 or email at sarah.bowman@indystar.com . Follow her on ...
In 2020 Michigan adopted drinking water standards for 5 previously unregulated PFAS compounds including HFPO-DA which has a maximum contaminant level (MCL) of 370 parts per trillion (ppt). Two previously regulated PFAS compounds PFOA and PFOS had their acceptable limits lowered to 8 ppt and 16 ppt respectively. [26] [27]
In March 2022, water test results showed dozens of private water wells had PFAS levels that were 50 times what state regulations consider safe to drink. Now 261 homes have been identified to be in ...