Study Finds “Forever Chemicals” in Almost Half of U.S. Tap Water Sources Nationwide

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A study by the U.S. Geological Survey released on Wednesday concluded that tap water from almost half of U.S. faucets likely contain “forever chemicals” that may cause cancer and other health problems.  “Forever chemicals” are synthetic compounds known collectively as PFAS, per- and polyfluorinated substances, that remain in the body for years and don’t degrade in the environment.  The report showed that drinking water is contaminated with PFAS in various extents in large cities and small towns, and in private wells and public systems.  The study is the first nationwide effort to evaluate tap water from private and regulated sources.  The findings build upon previous studies that the chemicals are widespread, being found in products such as nonstick pans, food packaging, and water-resistant clothing.  Researchers estimated from the data that at least one form of PFAS could be found in about 45 percent of tap water samples nationwide.