(a) No person shall discharge or cause to be discharged any storm water, surface water, ground water, roof runoff, subsurface drainage, cooling water or unpolluted industrial process waters to any sanitary sewer.
Storm water and all other unpolluted drainage shall be discharged to such sewers as are specifically designated as combined sewers or storm sewers, or to a natural outlet approved by the Superintendent or his designated agent. Industrial cooling water or unpolluted process waters may be discharged upon approval of the Superintendent or his designated agent, to a storm sewer combined sewer or natural outlet.
(b) No person shall discharge or cause to be discharged, either directly or indirectly, to the sewerage system, any of the following described substances, materials, waters or wastes:
(1) Any liquid or vapor having a temperature higher than 105 degrees Fahrenheit at a point of discharge or causing the temperature at the treatment facility to exceed 104 degrees Fahrenheit;
(2) Pollutants which create a fire or explosion hazard in the POTW including, but not limited to, waste streams 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, as amended;
(3) Any noxious or malodorous gas or substance which, either singly or by interaction with other wastes, is capable of creating a public nuisance or hazard to life or of preventing entry into the sewers for their maintenance and repair, or any pollutants which result in the presence of toxic gases, vapors or fumes within the wastewater treatment system in a quantity that may cause acute worker health and/or safety problems;
(4) Any water or waste having a pH lower than 5.5 or higher than 9.0, or having any other corrosive property capable of causing damage or hazard to structures, equipment or personnel of the sewerage system;
(5) Any ashes, cinders, sand, mud, straw, shavings, metal, glass, rags, feathers, tar, plastics, wood, paunch manure, hair and fleshing, entrails, lime slurry, lime, chemical, or paint residues, cannery wastes, bulk solids, or any other solid objects or viscous substance capable of causing or obstruction to the flow or operation of the sewerage system.
(6) Any waters or wastes containing a toxic or poisonous substance in sufficient quantity to injure or interfere with any sewerage treatment process, constitute a hazard to humans or animals, or creates any hazard in the receiving waters of the sewerage system.
(7) Any water or wastes containing emulsified oil or grease exceeding, on analysis, an average of fifty milligrams of oil and grease per liter determined as total either soluble matter.
(8) Any garbage that has not been properly shredded to a degree that all particles will be carried freely under the flow conditions of the sewer and with no particle greater than one-half inch in any dimension.
(9) Any water or wastes containing suspended solids of such character or quality that unusual attention or expense is required to handle such materials at the sewage treatment plant, or having a chlorine demand greater than twenty-five parts per million.
(10) Any waste containing substances that would result in a violation of the NPDES permit.
The above list is subject to revisions as required to meet current water quality standards imposed by the State or Federal agencies.
(c) No statement contained in this section shall be interpreted as preventing any special agreement or arrangement between the Municipality and any industrial concern whereby an industrial waste of unusual strength or character may be accepted by the Municipality for treatment. In all such cases, the provisions set forth in the Municipal chapter establishing sewer service charges will be governing factors in any contracts entered into.
(d) Grease, oil, and sand interceptors shall be provided when, in the opinion of the Municipality, they are necessary for proper handling of liquid wastes containing grease in excessive amounts, or any flammable wastes, sand, and other harmful ingredients; except that such interceptors shall not be required for private living quarters or dwelling units. All interceptors shall be located as to be readily and easily accessible for cleaning and inspection.
(e) Grease and oil interceptors shall be constructed of impervious materials capable of withstanding abrupt and extreme changes in temperature. They shall be of substantial construction, watertight, and equipped with easily removable covers which when bolted in place shall be gastight and watertight. Where installed, all grease, oil, and sand interceptors shall be maintained by the owner at his expense, in continuous efficient operation at all times.
(f) No person, firm or corporation shall be permitted to connect to or discharge wastewater to the Municipal sewage system unless it has been determined by the Municipality that there is sufficient capacity in the system to collect, convey, and treat the proposed wastewater discharge of such person, firm, or corporation.
(Ord. 1991-4. Passed 1-18-91.)
(Ord. 1991-4. Passed 1-18-91.)