In any city which adopts the provisions of this act, the powers, duties, authority and jurisdiction of the commissioner of water and light and of the city commission are hereby transferred to and conferred upon the waterworks board. In the event any city which has adopted the provisions of this act shall adopt the city manager plan of government, the waterworks board shall retain control of the management and operation of the waterworks plant and the city manager shall have no jurisdiction or control over said utility.
K.S.A. 13-2428