Cancer-Linked PFAS Are in Up to 95 Million Americans’ Tap Water

At least 20% of the population in the US relies on drinking water that has been contaminated with PFAS, according to a US Geological Survey study published Thursday.

The untreated water supply for as many as 95 million people in the contiguous US uses drinking water that has detectable levels of per- and polyfluoroalkyl substances (PFAS), which have been linked to cancer and other diseases, according to the research published in the journal Science.

The scientists used a predictive model to estimate the total number of people affected by PFAS-contaminated water—the first research showing national estimates ...