A charge shall be levied for a proportional share of the cost of city general sewer facilities. Such charge shall be payable for each connection prior to the issuance of the side sewer permit. Sewer system facility charges shall be in addition to any other required permits or fees. Sewer system facility charges shall be established by resolution of the city. For areas lying inside the boundaries of LID 1957-1 and LID 1961-2, which have paid an assessment under such local improvement districts, a credit for the amount of assessment paid previously shall be allowed against the amount otherwise owing. (Ord. 1662 § 1, 1996; Ord. 1634 § 1, 1996; Ord. 1306 § 27, 1988).