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 says it will roll back limits on several types of "forever chemicals" in drinking water.

The EPA will rescind much of the Biden administration's first nationwide drinking water standard aimed at protecting people from toxic "forever chemicals" known as PFAS found in many household items,