13.20.120   Wastes prohibited from being discharged to the wastewater treatment system.
   A.   The discharge of any waters containing toxic or poisonous solids, liquids or gases in sufficient quantity, either singly, or by interaction with other wastes, to contaminate the sludge of any municipal systems, or to injure or interfere with any sewage treatment process, constitute a hazard to humans or animals, create a public nuisance, or create any hazard in or have an adverse effect on the waters receiving any discharge from the treatment works is prohibited.
   B.   Each customer which discharges any toxic pollutants which cause an increase in the cost of managing the effluent or the sludge of the wastewater treatment works shall pay for such increased costs.
(Ord. 603 (part), 2004)