On August 3, 2020, the State of Michigan adopted new regulations limiting seven PFAS chemicals in municipal drinking water. The new drinking water standards also update Michigan’s existing groundwater clean-up criteria of 70 ppt for PFOS and PFOA. The new groundwater standard is 8 ppt for PFOA and 16 ppt for PFOS.
The new groundwater standards result in 38 new sites being added into MPART’s portfolio of ongoing PFAS investigations. The majority of these sites are landfills or former manufacturing facilities that are already the subject of ongoing state investigations into other forms of contamination.
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MPART is implementing enhanced protocols (available here: MPART Continuity of Operations Plan for Residential Well Sampling Considering EO 2020-92) to prevent the spread of COVID-19 during resumed activities to identify and reduce exposures to PFAS in drinking water from residential wells.