There are several CWA authorities that can be used to address PFAS in surface water, including authroizing EPA and states to limit or prohibit discharges of PFAS in the National Pollutant Discharge Elimination System (NPDES) permits they issue, or requiring EPA to establish technolgy-based Effluent Limitation Guidelines for industrial dischargers.
Legislation
Safe Drinking Water Act (SDWA)
Under the SDWA, EPA has the authority to set enforceable National Primary Drinking Water Regulations for contaminants and require monitoring of public water systems.
