Michigan Regulators Weigh Legal Options After PFAS Rules Struck Down

September 25, 2025
Michigan regulators are weighing their legal options after a state appeals court, on remand and in a split decision, again struck down the state’s PFAS drinking water limits and found that none of the procedural issues the Michigan Supreme Court cited to vacate an earlier decision to throw out the regulations affect the litigation’s viability. In a 2-1 decision , the Michigan Court of Appeals Sept. 19 reinstated a lower court’s order holding that Michigan’s drinking water regulations for seven...


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