In some instances, drinking water systems were contaminated with PFAS measured at 86 times the federal limit.

Add Yahoo as a preferred source to see more of our stories on Google. A new study has revealed states where some of the worst water contamination occurs with respect to arsenic. The Columbia ...

Updated records show toxic 'forever chemicals' have recently tested above EPA limits in over 1,050 cities. Check your drinking water on our map.

The Environmental Working Group (EWG)'s Tap Water Database reveals the states with the highest numbers of contaminants across their drinking water systems, with some states having more than 150 ...

Penn State provides funding as a founding partner of The Conversation US. University of Connecticut provides funding as a member of The Conversation US. Since the 1940s, companies have been using PFAS ...

A new study revealed there could be tens of thousands more groundwater sources contaminated with high concentrations of carcinogenic chemicals than previously found. The researchers at the PFAS ...

Since the 1940s, companies have been using PFAS – perfluoroalkyl and polyfluoroalkyl substances – to make products easier to use, from Teflon nonstick pots to waterproof rain gear, stain-resistant ...

Toxic 'forever chemicals' have recently tested above EPA limits in over 1,050 cities. Check your drinking water on U.S. map.