(a) No person(s) shall discharge or cause to be discharged any of the following described waters or waste to any public sewers or treatment works:
(1) Any gasoline, benzene, naptha, fuel oil, or other flammable or explosive liquid, solid or gas.
(2) Any water or wastes having a pH lower than 6.0 or having any other corrosive property capable or causing damage or hazard to structures, equipment and personnel of the wastewater works.
(3) Solid or viscous substances in quantities or of such size capable of causing obstruction to the flow in sewers or other interferences with the proper operation of the wastewater facilities such as, but not limited to ashes, bones, cinders, sand, mud, straw, shavings, metal, glass, rags, hair, and flesh, entrails, and paper dishes, cups, milk containers, etc. either whole or ground by garbage grinders.
(b) The following described substances, materials, water, or waste shall be limited in discharge to municipal systems to concentrations or quantities which will not harm either the sewers, wastewater treatment process or equipment, will not have a adverse effect on the receiving stream, or will not otherwise endanger lives, limb, public property, or constitute a nuisance. The Administrator may set a limitation lower than the limitation established in the regulations below objectives. Deliberate dilution with unpolluted water to meet the concentrations established in the acceptability, the Superintendent will give consideration to such facts as the quantity of subject waste in relation to flow and velocities in the sewers, materials of construction of the wastewater treatment plant, and other pertinent factors. The limitations of discharges to the sanitary sewers which shall not be violated without approval of the Superintendent are as follows:
(1) Wastewater having a temperature higher than 150 degrees F.
(2) Wastewater containing more than 50 milligrams per liter of petroleum oil, non biodegradable cutting oils, product of mineral oil origin, or floatable oils, fat, wax, or grease.
(3) Any water or waste containing solids, liquids or gasses in sufficient quantity either singly or by interaction with other wastes to insure or interfere with any wastewater treatment process, constitute a hazard to human or animals, water of the wastewater treatment plant, including, but not limited to, cyanides, hexavalent chromium, copper, zinc, cadmium, nickel and phenols in the waste as discharged to public sewer: total cyanide (CN), 0.5 milligrams per liter (mg/l); hexavalent chromium, 1.0 mg/l. copper. 1.0 mg/l; zinc, 1.0 mg/l; cadmium, 0.2 mg/l; nickel, 2.0 mg/l; phenols, 0.2 mg/l; mercury, 0.01 mg/l; silver, 0.2 mg/l.
(4) Any waters or wastes containing odor-producing substance exceeding limits which may be established by the superintendent or any local or state regulatory agencies.
(5) Any radioactive wastes or isotopes or such half-life or concentration as may exceed limits in compliance with applicable state or federal regulations.
(6) Quantities of flow, concentration or both which constitute a “slug” as defined herein.
(7) Waters or wastes containing substances which are not amendable to treatment or reduction by the wastewater treatment processing employed, or are amenable only to such degree that the wastewater treatment plant effluent cannot meet the requirements of other agencies having jurisdiction over discharge to receiving waters; or substances that would result in violation of the NPDES permit.
(8) Any water or wastes which by interaction with other water or wastes in the public sewer system, release obnoxious gases, form suspended solids which interfere with the collection system, or create a condition deleterious to structures and treatment processes.
(9) Any wastes with objectionable color not removable by the treatment process.
(10) All testing to identify any of the above mentioned pollutants, water or wastes shall be in accordance with the latest edition of “Standard Method for the Examination of Water and Wastewater”.
(Ord. 2009-07. Passed 8-18-09; Ord. 2016-07. Passed 8-17-16.)