PFAS chemicals have unexpectedly turned up in well water in rural farmland, far from any industrial areas, airports, or military bases. Juana Valle stands next to the well on her property. Researchers ...

Juana Valle never imagined she’d be scared to drink water from her tap or eat fresh eggs and walnuts when she bought her 5-acre farm in San Juan Bautista, California, three years ago. Escaping city ...