Over the past few years, water safety crises have cropped up in several cities, including Baltimore, Flint, Mich., Jackson, Miss., and Newark, N.J., where lead or bacteria have leached into tap water, forcing people to rely on bottled water or on boiling their tap water to rid it of pathogens. Read More

According to analysis done by an ABC News data team, several states are at risk for toxic chemicals in their tap water. The chemicals in question are known as PFAS, a term for per-and polyfluoroalkyl substances. These PFAS have been used in the production of many consumer products but… Read More