This month, the U.S. Environmental Protection Agency unveiled its new proposal for regulating so-called “forever chemicals” in drinking water. These new enforceable limits on PFAS chemicals would be much stricter than the maximum contaminant levels Delaware had been considering.But enforcing those limits – if finalized – will come with a cost as water companies are required to test and treat to make sure their water is in compliance.This week, contributor Jon Hurdle reports on how much that could cost and who will pay for the EPA’s new regulations.