(a) No person shall discharge or cause to be discharged to any sanitary sewer any unpolluted water such as, but not limited to, storm water, ground water, roof water runoff, subsurface drainage, footer drain discharge, or nonresidential cooling or noncontact water. Such waters from limited areas, which may be polluted at times, may be discharged to a sanitary sewer by permission of the Control Authority.
In the event of violation of the aforesaid prohibition, the Control Authority shall issue a written order to the person discharging such unpolluted waters for the removal of unpolluted water connections to such sanitary sewer within ninety (90) days after the service of such order. A written order shall be served on such person by personal service or by certified or registered mail, return receipt requested.
Discharge of unpolluted waters, other than that exempted above, shall be discharged to such sewers specifically designed as combined sewers or storm sewers or to a natural outlet approved by the Control Authority and other governmental agencies. Unpolluted industrial cooling water or process water may be discharged on approval of the Director and other governmental agencies to a storm sewer, combined sewer or natural outlet.
(Ord. 210-12. Passed 5-8-12.)
(b) No person shall cause to be discharged either directly or indirectly, any of the following described substances into the treatment works of the City:
(1) Any substance which alone or by interaction with other substances, creates an atmosphere within the City's treatment works which exceeds ten percent (10%) of the lower explosive limit (LEL) as designated by the National Fire Protection Association or which are injurious in any other way to the operation of the treatment works;
(Ord. 883-85. Passed 12-31- 85.)
(2) Any substance that will solidify or become discernibly viscous such as grease or garbage that has not been ground or shredded in quantities capable of obstructing the sewer's flow or interfering with the proper operation of any portion of the treatment works;
(Ord. 210-12. Passed 5-8-12.)
(3) Any wastewater having a pH of less than 5.0 or greater than 12.0 or having any other corrosive properties capable of causing damage or hazard to structures, equipment, or personnel of the system;
(4) Any wastewater containing toxic pollutants in sufficient quantity, which alone or by interaction, injure or interfere with any wastewater treatment process or constitutes a hazard to humans or animals;
(5) Any noxious or malodorous substance, which either alone or by interaction creates a public nuisance or hazard to human life or prevents entry into the sewers for their maintenance and repair;
(6) Any substance which will cause the treatment works effluent, or treatment residues, sludges, or scums to be unsuitable for reclamation and reuse or which interferes with the reclamation process;
(7) Any substance which will cause the City to be in noncompliance with sludge disposal criteria, guidelines or regulations developed under Section 405 of the Act or any criteria, guidelines or regulations affecting sludge use or disposal developed under the Federal Solid Waste Disposal, the Clean Air, the Toxic Substance Control Acts, or State standards applicable to the sludge management method being used;
(8) Any substance in concentrations which will cause the City to violate its NPDES permit or which will inhibit the treatment process;
(9) Any substance with objectional color not removed in the treatment works such as, but not limited to, dye wastes and vegetable tanning solutions;
(10) Any wastewater having a temperature which interferes with the treatment works or interferes with the biological activity in the treatment works; specifically wastewater with a temperature exceeding 60 degrees Centigrade (140 degrees Fahrenheit) at its introduction to the public sewer or which causes influent to the wastewater treatment plant to exceed 40 degrees Centigrade (104 degrees Fahrenheit);
(11) Any slug or slug load of any substance, including biochemical oxygen demanding pollutants, released in a single extraordinary discharge episode of such volume or strength as to cause interference to the treatment works;
(12) Any substance which alone or by interaction with other substances, emits chemical contaminants into the atmosphere or any confined areas of the treatment works in concentrations exceeding the threshold limit value (TLV) established for airborne contaminants, by the American Conference of Governmental Industrial Hygienists (ACGIH) or the Occupational Safety and Health Administration (OSHA);
(13) Any compatible waste in excess of the limits for normal domestic wastewater, except where permitted, subject to the provisions of Section 929.08.
(Ord. 883-85. Passed 12-31-85.)
(14) Any pollutants which create a fire or explosion hazard in the POTW, including, but not limited to, wastestreams with a closed cup flashpoint of less than 140 degrees Fahrenheit or 60 degrees Centigrade using the test method specified in 40 CFR 261.21.
(Ord. 724-91. Passed 9-17-91.)
(15) Hazardous waste as defined in 40 CFR 261;
(16) Petroleum oil, nonbiodegradable cutting oil, or products of mineral oil origin in amounts that will cause interference with the proper operation of any portion of the treatment works or pass through the treatment works;
(17) Any radioactive isotopes without obtaining a special permit from the Control Authority.
(Ord. 210-12. Passed 5-8-12.)