EPA Presses States To Include PFAS Effluent Limits In NPDES Permits

EPA has issued new guidance that generally urges states to include site-specific technology-based effluent limits to address PFAS in Clean Water Act (CWA) discharge permits, while also saying the permits should contain water quality-based limits if necessary to attain state standards. The Dec. 5 memorandum is a win for environmentalists and their Democratic supporters, who had pressed the agency to require such technology-based limits in permits after an earlier guidance the agency issued for states where it is the permitting...