Clarksville |
Code of Ordinances |
Title 13. UTILITIES AND SERVICE |
Chapter 7. INDUSTRIAL WASTEWATER PRETREATMENT |
§ 13-706. Waste surcharge.
(1)
Who is to be charged. In the event the city waives the requirements of section 13-702 and/or section 13-703 for any customer and that customer discharges to the city's wastewater system abnormal wastes otherwise prohibited or limited under section 13-702 and/or section 13-703, then the customer shall pay a surcharge as hereinafter set forth.
(2)
Annual review of treatment cost. The costs of treatment for flow, BOD, suspended solids, grease, and any other parameter, the discharge of which is limited by the NPDES permit, removed by the city's wastewater system, will be reviewed at the end of each fiscal year and adjusted to cover the cost of operating the pretreatment program.
(3)
Waste of less than specified strength. No reduction in sewerage service charges, fees, or taxes shall be permitted because certain industrial wastes discharged to the city's sewerage system contain less than three hundred twenty-five (325) mg/l of suspended solids, three hundred (300) mg/l of BOD, or one hundred (100) mg/l of freon-extractable materials.
(4)
Reduction of sewerage bills when unpolluted waste is excluded from the system. The monthly sewer charge can be reduced upon and to the extent of satisfactory demonstration to the city that the sources of the extraneous flow and extraneous flows into the customer's sewer service lines have been eliminated. The industrial user to account for the water use difference can install a sewer flow meter.
(5)
Method of billing. The surcharge provided for in this section may be included in the city's combined bill for water and sewerage services.
(6)
Determination of surcharge.
(a)
The city will determine its surcharge for each parameter based on the following formula:
(0.0083453)(F)(TC)(Pa - Pm) = Surcharge ($)
Where:
F = Monthly flow in thousand gallons
TC = Treatment costs for servicing wastewater treatment works per unit of parameter
Pa = Parameter, actual
Pm = Parameter, maximum allowable
(b)
The surcharge for extraneous flow shall be at the current rate of one thousand (1,000) gallons of wastewater as set forth in the city's schedule of charges and fees [subsection 13-312(5)].
The total surcharges payable to the city shall be the total of the surcharges for BOD, suspended solids, grease, extraneous flow, and other parameters, the discharge of which is limited by the city's NPDES permit.
( Ord. No. 41-2016-17 , § 1, 1-5-17)