How 'forever chemicals' got in the groundwater west of Spokane

For decades, Fairchild Air Force Base near Spokane trained firefighters with a chemical based fire suppression foam. And, like any substance would, that foam seeped into the ground around the base, and into the groundwater.

Now, recent testing on the west side of Spokane has detected toxic chemicals called “PFAS” in the drinking water, and that's a problem.