(a) Purpose. It is the purpose of this subchapter to provide for the payment of fees from dischargers to the authority's wastewater disposal system, to compensate the authority for the cost of administration of the pretreatment program established herein.
(b) Charges and Fees. The City shall adopt charges and fees as necessary to cover the costs associated with the pretreatment program. The Schedule of Fees and Charges will be reviewed, adjusted and approved annually by the City Utility Committee and issued to the users as a condition of their discharge permit.
(c) Surcharges.
(1) Sewage or industrial wastes above normal sewage strength but acceptable for discharge into the sanitary sewage system shall be subject to a quarterly surcharge based upon the concentration from the most recent quarterly sample. Surcharges shall be billed quarterly. The surcharge shall be determined on the basis of the constituents of the water or wastes.
A. Total suspended solids.
B. Five-day BOD at 20° C.
C. NH3
D. Oil and grease and as herein provided.
(2) When any or all of the total suspended solids, BOD5 , NH3 and oil and grease of a water or waste accepted for admission to the system exceeds the values of these constituents, the excess concentration in any or all as the case may be, shall be subject to a surcharge as follows.
A. Pounds of excess suspended solids per day: (above 300 mg/L) x $0.28 per pound = suspended solids surcharge.
B. Pounds of excess BOD5 per day: (above 250 mg/L) x $0.55 per pound = BOD5 surcharge.
C. Pounds of excess NH3 per day (above 20 mg/L) x $1.77 per pound = NH3 surcharge.
D. Pounds of excess oil and grease (above 125mg/l) x $1.25 per pound = oil and grease surcharge.
(3) In addition to the surcharge, the service charge on all industrial wastes discharged to the sewage system for sewage treatment service by the authority shall be the charge specified in the current City ordinance pertaining to sewer service charges of the authority. In addition, all industrial users shall pay all applicable surcharges and penalties as stated and defined in this subchapter.
(4) The pounds of the pollutants above the concentrations previously described sewage that are discharged to the sewerage system shall be determined by the City or its authorized representative.
(Ord. 1-13. Passed 2-5-13.)