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(A) Where required by the city, the owner of any property serviced by a sanitary sewer shall provide protection from an accidental discharge of prohibited materials or other substances regulated by this chapter. Where necessary, facilities to prevent accidental discharges of prohibited materials shall be provided and maintained at the owner's expense.
(B) Detailed plans showing facilities and operating procedures to provide this protection shall be submitted to the Director for review and approval prior to construction of the facility. Review and approval of such plans and operating procedures shall not relieve any user from the responsibility to modify the user's facility as necessary to meet the requirements of this chapter.
(C) Users shall notify the Director immediately upon having a slug or accidental discharge of substances or wastewater in violation of this chapter to enable countermeasures to be taken by the Director to minimize damage to the wastewater treatment works. The notification will not relieve any user of any liability for any expense, loss or damage to the wastewater treatment system or treatment process or for any fines imposed on the city on account thereof under any state and federal law. Employers shall insure that all employees who may cause or discover such a discharge are advised of the emergency notification procedure.
(Ord. 297, passed 3-1-2022)
(A) No person having charge of any building or other premises which drains into the public sanitary sewer shall permit any substance or matter which may form a deposit or obstruction to flow or pass into the public sanitary sewer. Within 30 days after receipt of written notice from the city, the owner shall install a suitable and sufficient catch basin or waste trap or, if one already exists, shall clean out, repair or alter the same and perform such other work as the Director may deem necessary. Upon the owner's refusal or neglect to install a catch basin or waste trap or to clean out, repair or alter the same after the period of 60 days, the Director may cause such work to be completed at the expense of the owner or representative thereof.
(B) The owner or operator of any motor vehicle washing or servicing facility shall provide and maintain in serviceable condition at all times a catch basin or waste trap in the building drain system to prevent grease, oil, dirt or any mineral deposit from entering the public sanitary sewer system.
(Ord. 297, passed 3-1-2022)
Whenever any sanitary sewer service connection becomes clogged, obstructed, broken or out of order, detrimental to the use of the public sanitary sewer or unfit for the purpose of drainage, the property owner shall repair or cause such work to be done as the Director may direct. Each day after three days that a person neglects or fails to so act shall constitute a separate violation of this section, and the Director may then cause the work to be done and recover from the owner or agent the expense thereof by an action in the name of the city.
(Ord. 297, passed 3-1-2022)
In addition to any penalties that may be imposed for violation of any provision of this chapter, the city may assess against any person the cost of repairing or restoring sanitary sewers or associated facilities damaged as a result of the discharge of prohibited wastes by such person and may collect such assessment as an additional charge for the use of the public sanitary sewer system or in any other manner deemed appropriate by the city.
(Ord. 297, passed 3-1-2022)
No statement contained in this subchapter shall be construed as preventing any special agreement or arrangement between the city and any industrial concern whereby an industrial waste of unusual strength or character may be accepted by the city for treatment, subject to payment therefore by the industrial concern, providing that National Categorical Pretreatment Standards and the city's NPDES and/or state disposal system permit limitations are not violated.
(Ord. 297, passed 3-1-2022)
PRETREATMENT
(A) This subchapter sets forth uniform requirements for discharges into the city's wastewater disposal system and enables the city to comply with all state and federal laws.
(B) The objectives of this subchapter are as follows:
(1) To prevent the introduction of pollutants into the wastewater disposal system which will interfere with the operation of the system or the use or disposal of the sludge;
(2) To prevent the introduction of pollutants into the wastewater disposal system which will pass through the system inadequately treated into receiving waters or the atmosphere or otherwise be incompatible with the system; and
(3) To improve the opportunity to recycle and reclaim wastewater and sludge from the system.
(C) This subchapter provides for the regulation of discharges into the city's wastewater disposal system through the issuance of permits to certain users and through enforcement of the general requirements for the other users, authorizes monitoring and enforcement activities, requires user reporting and provides for the setting of fees for the equitable distribution of costs resulting from the program established herein.
(D) This subchapter shall apply to the city and to persons outside the city who are, by contract or agreement with the city, users of the city wastewater disposal system. This subchapter is a supplement to §§ 52.125 et seq., as amended. Except as otherwise provided herein, the Director of the city wastewater disposal system shall administer, implement, and enforce the provisions of this subchapter.
(Ord. 297, passed 3-1-2022)
No user shall discharge or cause to be discharged, directly or indirectly, any of the following described substances into the wastewater disposal system or to any public sanitary sewer:
(A) Any liquids, solids or gases which by reason of their nature or quantity are, or may be, sufficient either alone or by interaction with other substances to cause fire or explosion or be injurious in any other way to the wastewater disposal system or to the operation of the system. At no time shall two successive readings on an explosion hazard meter, at the point of discharge into the system or at any point in the system, be more than 5% nor any single reading over 10% of the lower explosive limit (LEL) of the meter. Prohibited materials include but are not limited to gasoline, kerosene, naphtha, benzene, toluene, xylene, ethers, alcohols, ketones, aldehydes, peroxides, chlorates, perchlorates, bromates, carbides, hydrides and sulfides;
(B) Solid or viscous substances which will or may cause obstruction to the flow in a sanitary sewer or other interference with the operation of the wastewater treatment facilities such as but not limited to grease, garbage with particles greater than one-half inch in any dimension, animal guts or tissues, paunch manure, bones, hair, hides or fleshings, entrails, whole blood, feathers, ashes, cinders, sand, spent lime, stone or marble dust, metal, glass, straw shavings, grass clippings, rags, spent grains, spent hops, waste paper, wood, plastic, gas, tar, asphalt residues, residues from refining or processing of fuel or lubricating oil, mud or glass grinding or polishing wastes;
(C) Any wastewater having a pH less than 5.0 or greater than 9.5 or having any other corrosive property capable of causing damage or hazard to structures, equipment and personnel of the wastewater disposal system;
(D) Any wastewater containing toxic pollutants in sufficient quantity, either singly or by interaction with other pollutants, to inhibit or disrupt any wastewater treatment process, constitute a hazard to humans or animals or create a toxic effect in the receiving waters of the wastewater disposal system. A toxic pollutant shall include but not be limited to any pollutant identified pursuant to § 307 (a) of the Act;
(E) Any noxious or malodorous liquids, gases or solids which either singly or by interaction with other wastes are capable of creating a public nuisance or hazard to life or are sufficient to prevent entry into the sanitary sewers for their maintenance and repair;
(F) Any wastewater with objectionable color not removed in the treatment process, such as but not limited to dye wastes and vegetable tanning solutions;
(G) Any wastewater which creates conditions at or near the wastewater disposal system which violate any statute or any rule, regulation or ordinance of any public agency or state or federal regulatory body;
(H) Any wastewater having a temperature greater than 150 degrees F (65.6 degrees C) or causing, individually or in combination with other wastewater, the influent at the wastewater treatment plant to have a temperature exceeding 104 degrees F (40 degrees C);
(I) Any slug load, which shall mean any pollutant, including oxygen demanding pollutants (BOD and the like), released in a discharge of such volume or strength as to cause inhibition or disruption in the wastewater disposal system. In no case shall a slug load have a flow rate or contain concentrations or quantities of pollutants that exceed for any time period longer than 15 minutes more than five times the average 24 hour concentrations, quantities or flow of the user during normal operations;
(J) Noncontact cooling water or unpolluted storm or groundwater;
(K) Any wastewater containing fats, wax, grease or oils, whether emulsified or not, in excess of 150 mg/l or containing substances which may solidify or become viscous at temperatures between 32 degrees F and 150 degrees F (0 degrees C and 65.6 degrees C) and any wastewater containing oil and grease concentrations of mineral origin of greater than 100 mg/l, whether emulsified or not;
(L) Wastewater containing inert suspended solids (such as but not limited to Fullers earth, lime slurries and lime residues) or of dissolved solids (such as, but not limited to sodium chloride and sodium sulfate) in such quantities that they would cause disruption with the wastewater disposal system;
(M) Any wastewater having a BOD5 greater than 650 mg/l or having a suspended solids concentration of greater than 350 mg/l, unless otherwise permitted by the city; and
(N) In addition to these prohibitions, no user shall discharge to any public sanitary sewer any discharge which will cause interference with the wastewater disposal system.
(Ord. 297, passed 3-1-2022)
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