All taps made on said mains or laterals for supplying water to customers hereunder shall be no less than one inch (1") pipe. All such connections to the city water mains shall be made by the city public works department employees. Single-family dwelling units shall not have more than a one inch (1") water pipe. (Ord. 12-550, 6-11-2013; amd. Ord. 16-561A, 11-8-2016)