Nearly half of the tap water in the United States is estimated to have what are known as “forever chemicals,” also referred to as per- and poly-fluoroalkyl substances (PFAS). Tap water is seen in this photo illustration in Washington on Aug. 19, 2019. (Alastair Pike/AFP via Getty Images) The study by the U.S. Geological Survey tested for the presence of 32 types of PFAS from samples taken from 716 locations—269 private wells and 447 public supply—across the nation from 2016 to 2021. Based on these samples, USGS researchers determined by modeling that, on average, at least one PFAS is detected in about 45 percent of U.S. … Continue reading →