Toxic “forever chemicals” have been found in more than one in four public drinking water systems this year in ... 2 million Marylanders just outside Washington, D.C., discovered in June ...

A previously unidentified chemical has been discovered in the tap water of about one-third of U.S. homes, a new study has found, and scientists are actively investigating whether it's toxic.

WASHINGTON — The Environmental Protection Agency on Tuesday proposed the first federal limits on harmful “forever chemicals” in drinking water, a long-awaited protection the agency said will ...