In the case of the other two compounds, Olson says the EPA can’t legally extend the deadline for utilities to comply. The Safe Drinking Water Act allows for a maximum of five years for utilities to meet new requirements, and that’s already in place.

The Environmental Protection Agency is rolling back rules limiting forever chemicals in drinking water. The Trump administration plans to weaken drinking water rules meant to protect Americans from “forever chemicals” that have been linked to cancer, reproductive risks, liver damage, and other health issues.