"Cross-connection" shall mean any actual or potential connection or structural arrangement between a public, private or consumer's potable water system and any other source or system through which it is possible to introduce into the potable water system any used water, industrial fluid, gas, or any substance other that potable water. "Cross-connection" shall include bypass arrangements, jumper connections, removable sections, swivel or change-over devises and other devices (temporary or permanent) through which or because of which backflow can occur. (Ord. 5725 § 2 (part); April, 18, 2000.)