13.08.040   Prohibited discharges.
   A.   The following may not be discharged to the public sewer system except as specifically authorized by other provisions of this code:
      1.   Stormwater, storm drainage, surface water, ground water, roof runoff, subsurface water or cooling water, except for authorized discharges of stormwater and storm drainage to the combined sewer system;
      2.   Swimming pool water, except as authorized by Section 13.04.520 of this code;
      3.   Fats, oils and grease in amounts, either alone or in combination with other discharges, that cause: (a) any visible sheen on the surface of the discharged wastewater; (b) any build-up of fats, oils or grease in any portion of the public sewer system; or (c) any obstruction of the public sewer system;
      4.   Trucked and hauled wastes, except as approved by the director and discharged at authorized locations;
      5.   Substances that may cause excessive foaming in any portion of the public sewer system;
      6.   Any solid or viscous substance or particles in a quantity, either by itself or in combination with other wastes, that is capable of obstructing flow or impairing the performance of the public sewer system;
      7.   Cementitious materials;
      8.   Flammable liquids, solids or gases capable of causing or contributing to an explosion in the public sewer system, including, but not limited to, gasoline, kerosene, paint thinner, turpentine, naphtha, benzene, toluene, xylene, ethers, alcohols, ketones, aldehydes, peroxides and chlorates;
      9.   Any substance that may cause damage, including corrosive structural damage, to any part of the public sewer system;
      10.   Food wastes that cannot pass through a one-fourth inch sieve;
      11.   Any hazardous, infectious or radioactive wastes;
      12.   Any pathogenic or poisonous substances;
      13.   Any wastewater containing strong acid iron pickling wastes, or concentrated plating solutions, whether neutralized or not;
      14.   Any wastewater having a pH on excess of nine point five;
      15.   Any substance prohibited by the Sacramento regional county sanitation district sewer use ordinance;
      16.   Any discharge that results in or contributes to a violation of any applicable water quality plan, water quality standard or National Pollution Discharge Elimination System (NPDES) permit.
   B.   The foregoing discharge prohibitions are not exclusive and shall be in addition to any prohibitions or requirements specified in any other provision of this code or by any other applicable statute, regulation, ordinance or other governmental requirement. (Ord. 2005-020 § 2)