Michigan’s Drinking Water Standards • August 3, 2020 • Maximum
Compound
MCL
EPA Recommendation
PFNA PFOA PFOS PFHxS
6 ppt 8 ppt
NA
70 ppt combined
16 ppt 51 ppt
NA
Contaminant Levels (MCLs)
GenX (HFPO- DA)
370 ppt 420 ppt
NA NA NA
• 2,700 water systems
PFBS
PFHxA
400,000 ppt
7
MPART
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