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The following described substances, materials, waters, or waste shall be limited in discharges to municipal systems to concentrations or quantities which will not harm either the sewers, wastewater treatment process or equipment, will maintain and protect water quality in the receiving stream, or will not otherwise endanger lives, limb, public property, or constitute a nuisance. The Public Works Director may set additional limitations or limitations more stringent than those established in the regulations below if in his opinion more severe limitations are necessary to meet the above objectives. In forming his opinion as to the acceptability of a discharge, the Public Works Director shall give consideration to such factors as the quantity of subject waste in relation to flows and velocities in the sewers, materials of construction of the sewers, the wastewater treatment process employed, capacity of the wastewater treatment plant, and other pertinent factors.
(Ord. 1991-7, passed 8-12-91; Am. Ord. 1999-10, passed 8-12-99)
(A) Wastewater containing more than 25 milligrams per liter of petroleum oil, nonbiodegradeable cutting oils, or products of mineral oil origin.
(B) Wastewater containing floatable oils, fat, or grease, whether emulsified or not, in excess of one hundred (100) milligrams per liter (100 mg/l) or containing substances which may solidify or become viscous at temperatures 32-150° (0-65°C).
(C) Any garbage that has not been properly shredded. Garbage grinders may be connected to sanitary sewers from homes, motels, institutions, restaurants, hospitals, catering establishments, or similar places where garbage originates from the preparation of food in kitchens for the purpose of consumption on the premises or when served by caterers.
(D) Any wastewater containing toxic pollutants in sufficient quantity, either singly or by interaction with other pollutants which: injure or interfere with any wastewater treatment process, constitute a hazard to humans or animals, causes the city to violate the terms of its KPDES permit, prevents the use of acceptable sludge disposal methods, or to exceed the limitations set forth in a Categorical Pretreatment Standard.
(E) Any radioactive wastes or isotopes of such half-life or concentration as may exceed limits established by the city in compliance with applicable state and federal regulations.
(F) Any water or wastes which, by interaction with other water or wastes in the public sewer system, release obnoxious gases, from suspended solids which interfere with the collection system, or create a condition deleterious to structures and treatment processes.
(G) Any wastewater with objectionable color which cannot be removed to an acceptable level within the operation of the wastewater treatment process unless otherwise specifically noted in the Industrial User Permit (IUP).
(H) Water or wastes containing substances which are not amenable to treatment or reduction by the wastewater treatment processes employed to the extent required by the city's NPDES/KPDES permit.
(I) Any waste(s) or wastewater(s) classified as a hazardous waste by the Resource Conservation and Recovery Act (RCRA) without a sixty (60) day prior notification of such discharge to the Public Works Director. This notification must include the name of the hazardous waste, the EPA hazardous waste number, type of discharge, volume/mass of discharge and time of occurrence(s). The Public Works Director may prohibit or condition the discharge(s) at any time.
(J) (1) Any water or wastes which have characteristics based on a twenty-four (24) hour composite sample, grab or a shorter period composite sample, if more representative, that exceed the following normal maximum domestic wastewater parameter concentrations:
Parameter | Maximum Allowable Concentration Without Surcharges |
BOD | 250 mg/l |
COD | 1,000 mg/l |
TSS | 250 mg/l |
NH3-N | 25 mg/l |
Oil & Grease (total) | 100 mg/l |
Phosphorus, (total) | 20 mg/l |
(2) Any person discharging wastewater exceeding the maximum allowable concentration as noted above, will be subject to a surcharge fee for each pound loading over and above the set limit. Any other amenable constituents requiring the addition of specific chemicals for proper treatment will also be subject to surcharge as noted on the Wastewater Contribution Permit. Discharge in excess of the effluent limits specified above shall not be deemed to constitute a violation of a permit condition or this chapter if the appropriate surcharge fee is paid and the discharge does not cause interference with or pass through the POTW.
(K) The following limitations are established for characteristics of any wastewaters to be discharged into the municipal sewer system subject to any alternative limitations and/or compliance schedule as established in the Industrial User Permit. All significant industrial users must comply with these limitations where they are more stringent than applicable state and/or federal regulations:
Parameter
| Maximum Daily Concentration (mg/l)
| Monthly Average Concentration (mg/l) |
Parameter
| Maximum Daily Concentration (mg/l)
| Monthly Average Concentration (mg/l) |
Arsenic | 0.40 | |
Cadmium | 0.07 | |
Chromium, Total | 1.71 | |
Chromium, Hexavalent | 0.26 | |
Copper | 0.90 | |
Cyanide, Amenable | 0.33 | |
Lead | 0.35 | |
Mercury | 0.0008 | |
Molybdenum | 0.62 | |
Nickel | 1.10 | |
Selenium | 0.13 | |
Silver | 0.43 | |
Zinc | 1.48 | |
(L) The city has received authority through the U.S. EPA and State Statutes to enforce the requirements of 40 CFR Chapter I, Subchapter N, Parts 405-471, and 40 CFR Part 403, and 40 CFR Part 35. All users shall comply with the requirements of those regulations.
(M) The Public Works Director and/or his or her designee is authorized to establish local limits pursuant to 40 CFR 403.5(c). In addition, the Public Works Director may require Best Management Practices (BMPs), by ordinance or in individual wastewater discharge permits, to implement local limits and the requirements of this chapter. Such BMPs shall be considered local limits and pretreatment standards.
(Ord. 1991-7, passed 8-12-91; Am. Ord. 1994-2, passed 2-14-94; Am. Ord. 1998-09, passed 6-8-98; Am. Ord. 1999-10, passed 8-12-99; Am. Ord. 1999-14, passed 12-13-99; Am. Ord. 2001-12, passed 12-10-01; Am. Ord. 2002-11, passed 6-10-02; Am. Ord. 2009-09, passed 12-14-09; Am. Ord. 2011-13, passed 12-12-11; Am. Ord. 2017-011, passed 10-9-17; Am. Ord. 2023-002, passed 2-6-23) Penalty, see § 51.199
No user shall ever increase the use of process water or, in any way, attempt to dilute a discharge as a partial or complete substitute for adequate treatment to achieve compliance with the limitations contained in the Federal Categorical Pretreatment Standards, or in any pollutant specific limitation developed by the city or state.
(Ord. 1991-7, passed 8-12-91) Penalty § 51.199
Grease, oil and sand interceptors shall be provided when, in the opinion of the Public Works Director, they are necessary for the proper handling of liquid wastes containing floatable grease in excessive amounts, or any flammable wastes, sand, or other harmful ingredients; except that such interceptor shall not be required for private living quarters or dwelling units. All interceptors shall be of type and capacity approved by the Public Works Director and shall be located as to be readily and easily accessible for cleaning and inspection. In the maintaining of these interceptors, the owner(s) shall be responsible for the proper removal and disposal by appropriate means of the captured material and shall maintain records of the dates and means of disposal. The city may require reporting of such information for their review. Any removal and hauling of the collected materials not performed by owner(s) personnel must be performed by currently licensed waste disposal firms; interceptors shall also comply with applicable regulations of the Anderson County Health Department.
(Ord. 1991-7, passed 8-12-91; Am. Ord. 1999-10, passed 8-12-99; Am. Ord. 1999-14, passed 12-13-99) Penalty, see § 51.199
(A) Pursuant to the requirements imposed on publicly owned wastewater treatment works by the Federal Water Pollution Control Act Amendments of 1972 and later amendments, all Pretreatment Standards promulgated by the U.S. Environmental Protection Agency for new and existing industrial dischargers to public sewer systems are hereby made a part of this chapter. Any industrial waste discharge which violates these EPA Pretreatment Standards shall be in violation of this chapter.
(B) Where pretreatment or flow equalizing facilities are provided or required for any waters or wastes, the industry shall be solely responsible for the continued maintenance in satisfactory and effective operation of such facilities at their expense. The city may agree to assume these responsibilities if proper and appropriate arrangements for reimbursement of cost are made.
(C) (1) Any person who transports septic tank, seepage pit or cesspool contents, liquid industrial waste or other batch liquid waste and wishes to discharge such waste to the public sewer system shall first have a valid Special Waste Hauler's Permit. All applicants for a Special Waste Hauler's Permit shall complete the application form, pay the appropriate fee, and receive a copy of the city's regulations governing discharge to sewers of liquid wastes from trucks. All persons receiving such permits shall agree, in writing, to abide by all applicable provisions of this chapter, and any other special provisions that may be established by the city as necessary for the proper operation and maintenance of the sewerage system.
(2) It shall be illegal to discharge any batch liquid waste into any manhole or other part of the public sewer system, or any building sewer or other facility that discharges to the public sewer system, except at designated points of discharge specified by the city for such purpose.
(3) Any liquid waste hauler illegally discharging to the public sewer system shall be subject to immediate revocation of discharge privileges and further subject to the penalties and enforcement actions prescribed in § 51.199.
(4) Waste haulers who have been granted permission to discharge to the public sewer system shall pay fees for such discharge in accordance with a fee schedule established by the Public Works Director and approved by the city.
(5) Nothing in this chapter shall relieve waste haulers of the responsibility for compliance with County Health Department, State or Federal regulations.
(Ord. 1991-7, passed 8-12-91; Am. Ord. 1999-10, passed 8-12-99) Penalty, see § 51.199
(A) (1) Each significant user shall provide protection from accidental and/or slug discharges of prohibited materials or other substances regulated by this chapter which adversely affects the POTW. Facilities to prevent accidental and/or slug discharges of prohibited materials shall be provided and maintained at the owner or user's own cost and expense. Once every two (2) years, the Public Works Director will determine whether each industrial user needs to develop or update a plan to control slug discharges. If the Public Works Director determines that a slug control plan or revision is necessary, the plan shall contain the following:
(a) Description of discharge practices
(b) Description of stored chemicals
(c) Procedures for notifying POTW
(d) Prevention procedures for spills
(2) In the case of all possible or actual accidental and/or slug discharges, it is the responsibility of the user to immediately telephone and notify the POTW of the incident. The notification shall include location of discharge, type of waste, concentration and volume, and corrective actions.
(B) Written notice. Within five (5) days following an accidental discharge, the user shall submit to the Public Works Director a detailed written report describing the cause of the discharge and the measures to be taken by the user to prevent similar future occurrences. Such notification shall not relieve the user of any expense, loss, damage, or other liability which may be incurred as a result of damage to the POTW, fish kills, or any other damage to person or property; nor shall such notification relieve the user of any fines, civil penalties, or other liability which may be imposed by this subchapter, the Enforcement Response Plan, or other applicable law.
(C) Notice to employees. A notice shall be permanently posted on the user's bulletin board or other prominent place advising employees whom to call in the event of a dangerous discharge. Employers shall insure that all employees who may cause or suffer such dangerous discharge to occur are advised of the emergency notification procedure.
(Ord. 1991-7, passed 8-12-91; Am. Ord. 1999-10, passed 8-12-99)
The city reserves the right at the recommendation of the Public Works Director to establish by majority vote of its Council, more stringent limitations, or requirements on discharges to the POTW if deemed necessary to comply with the objectives presented in this chapter.
(Ord. 1991-7, passed 8-12-91; Am. Ord. 1999-10, passed 8-12-99)
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