The director of public works shall oversee and supervise the operation and maintenance of the water system, the making of repairs of all kinds, the construction of all extensions and additions, and all construction work whatsoever in connection with the present water system, and any systems now under construction or any new systems that may be established. The director of public works shall at all times be subject to the direction and authority of the mayor. (Ord. 780 § 1, 1975; Ord. 416 § 2.03, 1968)