Organic
PFAS (Per- and Polyfluoroalkyl Substances)
Contaminant Overview and Health Effects
EPA Maximum Contaminant Level (MCL)
0.004 μg/L
Legal limit set by the EPA
Contaminant Code
PFAS
Health Effects
Developmental effects, liver damage, immune system effects, increased cancer risk
Common Sources
1
Firefighting foam 2
Industrial manufacturing 3
Food packaging 4
Textiles ℹ️ About This Data
Information about PFAS (Per- and Polyfluoroalkyl Substances) is based on EPA Safe Drinking Water Act (SDWA) regulations. The Maximum Contaminant Level (MCL) is the highest level of a contaminant that is allowed in drinking water.