Toxic ‘forever chemicals’ known as PFAS, per- and poly-fluoroalkyl substances, persist in the environment, grossly tainting the drinking water of many United States cities, like Miami, New Orleans and Philadelphia. More specifically, findings by the Environmental Working Group (EWG) reveal that the a 2018 estimate of 110 million U.S. citizens being contaminated with PFAS is far below actual numbers. “It’s nearly impossible to avoid contaminated drinking water from these chemicals,” shared David Andrews, a senior scientist at EWG and co-author of the report.