Water Line Leak, Water line, Fix Leak, Leaking Water Line under Tub, Repair Leak under Tub, Fix Under Tub Leak, Tub Leak Sugar LandThis customer has some issues with leaking water line below the slab inside the home. American Leak Detection was able to locate the leak under the tub area. In order to repair the leaking cold water galvanized supply line, Mock Plumbing had to remove the tub and jack-hammer the cement in order to gain access.