Sanitary sewers and laterals to serve each lot and stubbed to property line prior to construction of street base and pavement connected to existing city, district or approved private system, where such system is or can be made available. In such case, the subdivider shall present evidence from the appropriate agency indicating the ability of the system to handle sewage from the subdivision and evidence that a satisfactory agreement has been entered into to provide the service. (Ord. 2007-08 § 4 (Exh. A), 2007)