Chemical Contaminant
PFAS (PFOA & PFOS) in Drinking Water
EPA Maximum Limit
0.000004
mg/L (4 ppt)
EPA Contaminant Code
PF
SDWIS reference
Health Effects
Cancer, thyroid disruption, immune system effects, and reproductive harm.
Common Sources
Industrial discharges, firefighting foam (AFFF), non-stick cookware manufacturing.
Is PFAS (PFOA & PFOS) in Your Water?
Search by city to see if your water utility has reported pfas (pfoa & pfos) violations.
Check Your City →