See If You Have What It Takes to Succeed as a Plumber!Share:FacebookPinterestTwitterMailWhich plumbing material is labeled "lead-free" and safe for drinking water?96%Next Correct Incorrect Copper is lead - free and safe for drinking water. It also has antibacterial properties. Which plumbing material is labeled "lead-free" and safe for drinking water? Galvanized steel PVC Lead Copper 96%