PopSci – “If forever chemicals made it into your water supply, a filtration system can help remove them. Ever since the US started churning out per- and polyfluoroalkyl substances (PFAS) in the 1940s, these long-lived toxic chemicals have been accumulating everywhere humans have trodden. Since then, these compounds have leached from industrial facilities and trash systems into our waterways, making our drinking supply one of the main ways forever chemicals are getting into our bodies.  If you’re now eyeing your glass of water suspiciously, know that there are steps you can take to find out if there are PFAS in that H₂O, and lower the risk of exposure for you and your family….The Environmental Working Group, an advocacy non-profit, has a nifty online tap water database that shows the servicing utility and contaminants detected where you live—just search using your zip code. You can also use this platform to gather information before you talk to your public water provider, which the EPA encourages you to do. If you find high PFAS levels in your water supply, DeWitt recommends you reach out and find out what your utility company is doing to reduce them…”

See also USGS – PFAS in US Tapwater Interactive Dashboard