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.
(Articles II and V of the city's regulation of sewer use ordinance (Chapter 13.28) contain additional requirements covering the use of the city's public sewers.) Also, each user who discharges any toxic pollutants that cause an increase in the cost of managing the effluent of the sludge of the city's treatment works shall pay for such increased costs on a proportionate basis.
(Ord. 382 § 8, 1983).