(A) (1) Users of the city wastewater treatment works shall be identified as belonging to one of the following user classes:
(a) Residential;
(b) Commercial;
(c) Institutional/Governmental; or
(d) Industrial.
(2) The allocation of users to these categories for the purpose of assessing user charges and debt service charges shall be the responsibility of the City Manager. Allocation of users to user classes shall be based on the substantive intent of the definitions of these classes contained herein.
(B) (1) Each user shall pay operation, maintenance, and replacement costs in proportion to the user’s proportionate contribution of wastewater flows and loadings to the treatment plant, with the minimum rate for loadings of BOD and TSS being the rate established for concentrations of 250 mg/l BOD and 300 mg/l TSS (for example, normal domestic strength wastewater) as defined in § 51.121.
(2) Those industrial users discharging segregated normal domestic strength wastewater only can be classified as commercial users for the purpose of rate determination.
(Ord. 150, passed 7-26-90)