No plumbing fixture, device, construction or pipe discharging therefrom, or connected therewith, shall be installed or maintained which will provide a cross-connection between the water distribution system used for human consumption and domestic purposes and a drainage system, waste or sewage system, or any other source of probable contamina-tion.
('86 Code, § 15.04.070) (Ord. 2028, passed - - ) Penalty, see § 1.12.010