Toxic ‘forever chemicals’ more common in tap water than thought, report says

Testing done by an environmental watchdog shows a class of chemicals called PFAS are running through dozens of U.S. cities. Here's what you should know.

You may not recognize the name PFAS, short for poly and perfluoroalkyl substances, but you likely come into contact with it regularly, maybe multiple times a day. You might even consume it.

Put simply: PFAS, a class of more than 4,000 different chemicals, is everywhere. It turns up in everything from household items to fast food wrappers. It’s even been found in our blood. And new research published this week by the non-profit Environmental Working Group (EWG), shows it’s prevalent in tap water as well.

The public and policymakers are taking notice.

In December a military spending bill included new PFAS regulations, though environmentalists say the included measures didn’t do enough to meaningfully address contamination. Earlier this month the

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