As a condition of water service for new customers and as a condition of continued water service for existing customers, the customer may be required to have a backflow-prevention device installed on their private property. The customer shall permit the city to enter upon the customer’s property within the normal working hours of the city, or in the case of emergency, at any time, to test, inspect, service, maintain, repair or replace the backflow-prevention device, as set forth in other sections of this chapter. (Ord. 2713 NCS §2 (Exh. A (part)), 2020; Ord. 1677 NCS §2 (part), 1987.)