How These Chemicals Enter Our Tap Water
Tap water contamination mainly comes from industrial discharge, runoff from wastewater treatment plants, and residual firefighting foam from use at military bases and airports. The chemicals can seep into groundwater from landfills that have products with PFAS in them or can leach from industrial sites where they were manufactured or used. Agricultural land treated with PFAS-contaminated biosolids can also contribute to a watershed contamination situation. Once it’s been introduced to the environment, these chemicals can travel essentially anywhere via underground water systems. And since traditional water treatment isn’t designed to remove these compounds, they flow freely from the facilities to residential taps. Even pristine-looking tap water could be full of concerning levels of carcinogens.
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