Officials at Marine Corps Base Camp Pendleton are bringing two new water filtration facilities online by the end of the year to address so-called “forever chemicals” in base drinking water.

Per- and poly fluoroalkyl substances, or “PFAS,” are a family of man-made compounds used for more than 70 years in all manner of consumer products. Non-stick cookware, stain-wicking clothing and even fast food wrappers are just some of the many items in everyday use worldwide containing the compounds.