Forever Chemicals Are in Your Drinking Water: Here’s How Worried to Be—And What to Do About It

It’s not uncommon nowadays to fill a glass of water from your tap and wonder what chemicals and contaminants may be lurking in there. That’s because research has increasingly revealed that heavy metals, radioactive substances, and harmful PFAS (“forever chemicals”) are present in our water systems.

“It turns out millions of people have PFAS in their drinking water,” Tracey Woodruff, director of the Program on Reproductive Health and the Environment at the University of California, San Francisco, tells Fortune.