The Water Board shall have the following powers and duties:
(a) The Board shall be responsible for the construction, maintenance and management of the water works and water supply system of the City and for the distribution of water to its customers.
(b) The Board shall annually prepare a recommended budget for the operation of the Water Department for the forthcoming fiscal year, and shall submit the same on or about September 15 to the Mayor for his or her approval who, in turn, shall submit the same to Council for its approval. Such budget shall give consideration to actual or anticipated surplus funds and to their use and disposal.
(c) The Board shall audit the claims and accounts of the Water Department and recommend the same for payment to the Mayor, all of which shall be within the budgetary control provisions of Section 98 of the City Charter.
(d) The purchase of equipment, supplies, materials, machinery or other necessities for use in the operation of the Water Department shall be made by the Board, with the approval of the Mayor, subject to and under the provisions of the purchasing procedures of the City Charter, the ordinances of the City and the adopted policies of the City.
(1974 Code Sec. 1.124)