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(A) An industrial waste survey is required prior to a use discharging wastewater containing in excess of the following average discharge limits:
(1) BOD: 250 mg/l;
(2) TSS: 250 mg/l;
(3) NH3: 25 mg/l;
(4) Arsenic: 0.01 mg/l;
(5) Cadmium: 0.005 mg/l;
(6) Chromium: 0.05 mg/l (total chromium);
(7) Chlorides: 250 mg/l;
(8) Color: 15 color units;
(9) Copper: 0.06 mg/l;
(10) Cyanide: 0.015 mg/l;
(11) Lead: 0.015 mg/l;
(12) Mercury: 0.001 mg/l;
(13) Nickel: 0.01 mg/l;
(14) Silver: 0.01 mg/l; and
(15) Zinc: 0.175 mg/l.
(B) Industrial waste survey information will be used to develop user-specific local limits when necessary to ensure that the POTW's maximum allowable headworks loading are not exceeded for particular pollutants of concern. User-specific local limits for appropriate pollutants of concern shall be included in wastewater permits. The POTW Director may impose mass based limits in addition to, or in place of concentration based limits.
(Ord. – § 2.3, passed 9-26-2005)
The town reserves the right to establish limitations and requirements which are more stringent than those required by either state or federal regulation if deemed necessary to comply with the objectives presented in § 53.01 above or the general and specific prohibitions in § 53.03 above, as is allowed by 40 C.F.R. pt. 403.4.
(Ord. – § 2.5, passed 9-26-2005)
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 national categorical pretreatment standards, unless expressly authorized by an applicable pretreatment standard, or in any other pollutant-specific limitation developed by the town or state.
(Ord. – § 2.6, passed 9-26-2005) Penalty, see § 53.99
(A) Pretreatment facilities.
(1) Users shall provide wastewater treatment as necessary to comply with this chapter and wastewater permits issued under § 53.30 below and shall achieve compliance with all national categorical pretreatment standards, local limits and the prohibitions set out in § 53.03 above within the time limitations as specified by EPA, the state or the POTW Director, whichever is more stringent.
(2) Any facilities necessary for compliance shall be provided, operated and maintained at the user's expense. Detailed plans showing the pretreatment facilities and operating procedures shall be submitted to the town for review, and shall be approved by the POTW Director before construction of the facility. The review of the plans and operating procedures shall in no way relieve the user from the responsibility of modifying the facility as necessary to produce an effluent acceptable to the town under the provisions of this chapter.
(3) Any subsequent changes in the pretreatment facilities or method of operation shall be reported to and be approved by the POTW Director prior to the user's initiation of the changes.
(B) Additional pretreatment measures.
(1) Whenever deemed necessary, the POTW Director may require users to restrict their discharge during peak flow periods, designate that certain wastewater be discharged only into specific sewers, relocate and/or consolidate points of discharge, separate sewage wastestreams from industrial wastestreams and other conditions as may be necessary to protect the POTW and determine the user's compliance with the requirements of this chapter.
(2) The POTW Director may require any person discharging into the POTW to install and maintain, on their property and at their expense, a suitable storage and flow-control facility to ensure equalization of flow. A wastewater discharge permit may be issued solely for flow equalization.
(3) Grease, oil and sand interceptors shall be provided when, in the opinion of the POTW Director, they are necessary for the proper handling of wastewater containing excessive amounts of grease and oil, or sand; except that the interceptors shall not be required for residential users.
(4) All interception units shall be of type and capacity approved by the POTW Director and shall be so located to be easily accessible for cleaning and inspection. Interceptors shall be inspected, cleaned and repaired regularly, as needed, by the user at their expense.
(5) Users with the potential to discharge flammable substances may be required to install and maintain an approved combustible gas detection meter.
(Ord. – § 2.7, passed 9-26-2005)
(A) At least once every 2 years, the POTW Director shall evaluate whether each significant industrial user needs an accidental discharge/slug control plan.
(B) The POTW Director may require any user to develop, submit for approval and implement a plan. Alternatively, the POTW Director may develop a plan for any user.
(C) An accidental discharge/slug control plan shall address, at a minimum, the following:
(1) Description of discharge practices, including nonroutine batch discharges;
(2) Description of stored chemicals;
(3) Procedures for immediately notifying the POTW Director of any accidental or slug discharge, as required by § 53.36 below; and
(4) Procedures to prevent adverse impact from any accidental or slug discharge. Procedures include, but are not limited to, inspection and maintenance of storage areas, handling and transfer of materials, loading and unloading operations, control of plant site runoff, worker training, building of containment structures or equipment, measures for containing toxic organic pollutants, including solvents and/or measures and equipment for emergency response.
(Ord. – § 2.8, passed 9-26-2005)
(A) (1) Septic tank waste may be introduced into the POTW only at locations designated by the POTW Director, and at times as are established by the POTW Director.
(2) The waste shall not violate § 53.03 through this section or any other requirements established by the town. The POTW Director may require septic tank waste haulers to obtain wastewater discharge permits.
(B) (1) The POTW Director shall require haulers of industrial waste to obtain wastewater discharge permits.
(2) The POTW Director may require generators of hauled industrial waste to obtain wastewater discharge permits.
(3) The POTW Director also may prohibit the disposal of hauled industrial waste. The discharge of hauled industrial waste is subject to all other requirements of this chapter.
(C) (1) Industrial waste haulers may discharge loads only at locations designated by the POTW Director. No load may be discharged without prior consent of the POTW Director.
(2) The POTW Director may collect samples of each hauled load to ensure compliance with applicable standards.
(3) The POTW Director may require the industrial waste hauler to provide a waste analysis of any load prior to discharge.
(D) (1) Industrial waste haulers must provide a waste-tracking form for every load. This form shall include, at a minimum, the name and address of the industrial waste hauler, permit number, truck identification, names and addresses of sources of waste and volume and characteristics of waste.
(2) The form shall identify the type of industry, known or suspected waste constituents, and whether any wastes are RCRA hazardous wastes.
(Ord. – § 2.9, passed 9-26-2005)
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