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(A) General prohibitions. No user shall discharge to the POTW any pollutants which cause pass through or interference. This general prohibition and the specific prohibitions provided in division (B) below apply to each user, whether or not the user is subject to other national pretreatment standards or any national, state or local pretreatment requirements.
(B) Specific prohibitions. No industrial user shall discharge, or cause to be discharged, any of the following described pollutants, water or wastes to any public sewer:
(1) Any solid or viscous pollutants, such as construction materials, ashes, cinders, sand, metal, glass, grease, tar, plastic, wax or wood, in amounts which cause obstruction to the flow in the POTW resulting in interference;
(2) Pollutants which create a fire or explosion hazard in the POTW, including, but not limited to, pollutants with a closed cup flashpoint of less than 140°F as determined by closed cup test methods (Pensky- Martens or Setaflash), specified in 40 C.F.R. § 261.21;
(3) Heat in amounts that will inhibit biological activity in the POTW treatment plant, resulting in interference or causing damage, but in no case heat in such quantities that the temperature exceeds 40°C (104°F) at the end of pipe prior to discharge to the POTW treatment plant;
(4) Any water or wastes that are acid or alkaline in reaction and having corrosive properties capable of causing damage or hazard to structures, equipment or city personnel. The pH of such wastes must be neutralized at all time to range between 6.0 and 10.0 at all times;
(5) Any petroleum oil, non-biodegradable cutting oil or products of mineral oil origin in amounts that will cause interference or pass through at the POTW treatment plant;
(6) Any wastewater containing biodegradable oil and grease of animal or vegetable origin exceeding 200 mg/l;
(7) Any slug discharge, which shall mean any pollutant, including oxygen demanding pollutants (BOD and the like), released in a discharge at a flow rate and/or pollutant concentration which will cause interference with the POTW;
(8) Pollutants which result in the presence of toxic gases, vapors or fumes within the POTW in a quantity that may cause acute health and safety problems to personnel, or prevent entry into the sewerage system for purposes of inspection, maintenance, or monitoring activities;
(9) Any liquids or wastes containing radioactive materials or isotopes;
(10) Any trucked or hauled wastes, except septic wastes of residential origin, which shall be discharged only at the POTW treatment plant septic waste collection tank, and only by haulers approved by the city. Discharge of any other wastes, or of septic wastes at any other location, without the express approval or permission of the Superintendent shall be considered a violation subject to enforcement action, including fines and penalties allowed under this chapter;
(11) Any wastewater containing surfactants or other foam-causing material in quantities creating foaming problems at the POTW treatment plant or in the receiving waters;
(12) Any wastewater containing an objectionable color not removed in the treatment process, caused by, but not limited to, dye wastes and vegetable tanning solutions;
(13) Any wastewater containing noxious or malodorous gases or substances capable of creating a public nuisance; and
(14) Any wastewater containing total phosphorus levels exceeding 100 mg/l.
(C) Other prohibitions.
(1) No user shall discharge or cause to be discharged to any natural outlet or storm sewer within the city or in any area under the jurisdiction of said city, any sanitary wastewater or other polluted water.
(2) No user shall discharge or cause to be discharged any unpolluted wastewater, including, but not limited to, non-contact cooling water, storm water or roof runoff to any sanitary sewer.
(Prior Code, § 1054.04) (Ord. 59-1991, passed 4-8-1991; Ord. 62-1993, passed 4-26-1993; Ord. 149-2013, passed 9-9-2013; Ord. 142-2016, passed 12-12-2016)
(A) No user shall be permitted to connect to or to discharge any wastewater, except sanitary sewage to the POTW unless it has been determined by the Superintendent of Utilities that there is sufficient capacity in the system to collect, convey and treat the wastewater discharge of such user.
(B) Determination of acceptability of all questionable discharges shall be made on a basis of sound engineering and operational evaluations, taking into consideration the nature and concentration of the discharge, point of entry into the sewerage system, compatibility with other discharges in the system and compatibility with the treatment processes. All discharges the Superintendent deems acceptable cannot exceed the applicable limits or standards set forth under federal or state laws (including categorical pretreatment standards) or under this chapter.
(Prior Code, § 1054.05) (Ord. 59-1991, passed 4-8-1991; Ord. 149-2013, passed 9-9-2013)
Unacceptable discharges shall include those which have been determined by the Superintendent of Utilities to:
(A) Violate the prohibited discharges specified in § 1054.04 of this chapter;
(B) Contain concentrations or amounts of regulated materials or substances in excess of limits defined and established by this chapter and applicable national categorical pretreatment standards;
(C) Cause the city to incur excessive expense in the handling or treatment of such discharges;
(D) Be incompatible with or inhibit the performance of the POTW treatment plant;
(E) Result in non-compliance by the POTW with requirements set by state and federal regulatory agencies;
(F) Cause the POTW treatment plant effluent, or any other product of the treatment process, such as residues and sludges, to be unsuitable for reclamation and reuse; and
(G) Result in adverse impact on POTW treatment plant operations or design capacity.
(Prior Code, § 1054.06) (Ord. 59-1991, passed 4-8-1991; Ord. 149-2013, passed 9-9-2013)
Upon determination that an existing or proposed wastewater discharge is unacceptable, the Superintendent of Utilities may:
(A) Refuse wastewater treatment service to the user discharging or proposing to discharge unacceptable waste. Further, the Superintendent may order the removal of such discharges from the sewerage system, including the physical removal of connection to the system, after 30 days of notification to the user that such discharge is unacceptable; or
(B) Require provision of pretreatment of the wastewater by equipment and/or procedures to assure that wastewater discharges to the sewerage system will, at all times, be acceptable.
(Prior Code, § 1054.07) (Ord. 59-1991, passed 4-8-1991; Ord. 149-2013, passed 9-9-2013)
(A) Upon notification by the Superintendent of Utilities that pretreatment of an industrial user’s wastewater discharges is required, the user shall:
(1) Submit to the Superintendent, within 14 calendar days of notification, a statement acknowledging the notification and indicating the user’s intent to proceed to provide remedial pretreatment equipment and/or procedures; and
(2) Submit to the Superintendent, as directed, a proposed compliance schedule to carry out the necessary work leading to implementation of operations/procedural changes, or installation of pretreatment facilities within the shortest time possible. The compliance schedule shall indicate the separate milestone steps to be taken, the dates for completion of each step and a final date for achieving compliance.
(B) If the original compliance schedule is not acceptable to the Superintendent, the user shall submit additional information, data or a revised schedule within 30 days of notification of the unacceptable provisions submitted. Failure to submit an acceptable compliance program shall be considered unsatisfactory progress and may result in orders to remove the unacceptable discharge from the sewerage system, or refusal to permit a proposed new discharge.
(C) Upon acceptance by the Superintendent of the pretreatment compliance program, the industrial user shall proceed to implement the program in accordance with the compliance schedule as accepted. The user shall submit periodic progress reports as required by the Superintendent, indicating whether or not the scheduled milestone dates are being achieved and, if not, what steps are being taken to return to the approved schedule for meeting the final compliance date.
(D) Failure to meet the compliance schedule milestone dates, final compliance date or reporting requirements shall be subject to enforcement pursuant to the applicable provisions of this chapter, including notice of violation, administrative fees, revocation of treatment service and penalty action.
(Prior Code, § 1054.08) (Ord. 59-1991, passed 4-8-1991; Ord. 149-2013, passed 9-9-2013)
Where installation of new or modified pretreatment facilities is required to comply with pretreatment standards and limitations, all industrial users shall submit applications for a permit to install to the Superintendent of Utilities and the Ohio EPA for approval prior to construction or installation. Applications shall include detailed plans, specifications and sufficient design information to allow proper evaluation of the proposed pretreatment facilities. Approval by the Superintendent does not, in any way, guarantee that the facilities will function satisfactorily or that it will not be necessary to enlarge or otherwise modify the facilities to make them capable of providing satisfactory pretreatment. It remains the responsibility of the user to provide a pretreatment system that will ensure consistent compliance with all discharge limitations.
(Prior Code, § 1054.09) (Ord. 59-1991, passed 4-8-1991; Ord. 149-2013, passed 9-9-2013)
Wastewater pretreatment or control facilities, as required, shall be maintained continuously in satisfactory and effective operation and shall be subject to periodic inspection by the Control Authority. The industrial user shall maintain all records of operation necessary to document performance of the pretreatment system, and shall submit reports on the characteristics of wastewater discharge as required by the Superintendent of Utilities or this chapter to demonstrate compliance with applicable pretreatment standards and requirements.
(Prior Code, § 1054.10) (Ord. 59-1991, passed 4-8-1991; Ord. 149-2013, passed 9-9-2013)
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