There is hereby established a water system fund to be maintained by the city clerk-treasurer in managing the fiscal affairs of the city. All revenues derived from the charging of any fees, charges, rates, etc., as such are set forth herein shall be deposited in said fund and shall be disbursed only for the purposes of paying existing or future indebtedness connected with or relating to maintaining, repairing, studying, controlling, enlarging, extending, enhancing, or improving the water system of the city. (Ord. 984, 7-5-1995)