(A) Persons making discharges of industrial waste into the city system shall pay a charge to cover all costs of collection and treatment.
(B) When discharges of any waste into the city system are approved by the approving authority, the city or its authorized representative shall enter into an agreement or arrangement providing:
(1) Terms of acceptance by the city;
(2) Payment by the person making the discharge, in accordance with the user charge system as established in division (E) of this section;
(3) Sewer connection procedures and requirements shall be in accordance with the Uniform Plumbing Code as promulgated by the International Association of Plumbing and Mechanical Officials;
(4) A sewer application approved with connection fee paid;
(5) Construction of sewer connections shall be approved by city inspectors prior to sewer use; and
(C) Each user of the wastewater treatment system will be notified, at least annually, in conjunction with a regular sewer bill, of the rate and that portion of user charges or ad valorem taxes which are attributable to the operation and maintenance of the wastewater treatment system.
(D) The city will apply excess revenues collected from a class of users to the cost of operation and maintenance attributable to that class for the next year and adjust the rates accordingly.
(E) (1) The user charge system shall provide for the equitable distribution of debt service, reserve and operation and maintenance costs of the sanitary sewerage system to each user or user class. The minimum base fixes rate per domestic user per month for readiness to serve and disposal of up to 2,000 gallons of normal domestic wastewater measured as potable water taken from city water works shall be calculated from the sum of annual debt service; an annual reserve in the amount of 10% of annual debt service, until an amount equal to one annual debt service payment is accumulated; and 70% of annual operations and maintenance, less interest and depreciation; divided by the current number of users and then divided by 12 months.
(2) The over minimum base rate per 1,000 gallons for wastewater disposal measured as potable water, up to 10,000 gallons taken from city waterworks user per month shall be calculated from 30% of annual operation and maintenance costs, less interest and depreciation, divided by the average number of thousands of gallons of water used, above 2,000 gallons, per user per month during the months of December, January and February, and then divide by 12 months.
(3) The calculated minimum and over minimum charges may be rounded, up or down, to some convenient amounts, as determined by the City Council.
(4) Over minimum base rate per 1,000 gallons shall be limited to 9,000 gallons for domestic users only.
(5) An industrial waste charge shall be made on persons discharging industrial wastes into the city sewerage system. The charges for the several constituents shall be additive, applied to both the minimum base fixed rate and the over minimum base rate per 1,000 gallons, and calculated with the base by the sum of the following applicable factors plus one, and multiplied by the appropriate base rate:
(a) For B.O.D. in excess of 250 mg/l, B.O.D. of discharge minus 250, divided by 250; and
(b) For C.O.D. in excess of 250 mg/l, B.O.D. of discharge minus 250, divided by 250.
(Ord. passed - -)