The Superintendent of Waste Water Treatment shall be the head of the Department of Waste Water Treatment. He shall be appointed by the Mayor subject to the approval of the Council by a majority vote of its membership. He shall serve at the pleasure of the Mayor and Council and may be removed by the Mayor subject to the approval of the Council by a majority vote of its membership. The Mayor shall fix the salary of the Superintendent of Waste Water Treatment with the approval of the Council by a majority vote of its membership. The superintendent of Waste Water Treatment shall supervise the operation and maintenance of the City's waste water treatment facilities and shall perform other duties as provided by ordinance or resolution and directed by the Mayor.