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(A) The Superintendent is authorized to establish local limits pursuant to 40 C.F.R. § 403.5(c).
(B) (1) The following pollutant limits are established to protect against pass-through and interference. No person shall discharge wastewater containing in excess of the following.
Pollutant
|
Limit
|
Pollutant
|
Limit
|
Ammonia | 7.0 mg/L |
BOD5 | 200 mg/L |
Cadmium | 1.0 mg/L |
Chromium (hexavalent) | 1.0 mg/L |
Chromium (total hexavalent plus total trivalent) | 3.0 mg/L |
Copper | 1.0 mg/L |
Cyanide (total by distillation) | 1.2 mg/L |
Lead | 0.4 mg/L |
Mercury | 0.001 mg/L |
Nickel | 2.4 mg/L |
Oil and/or grease (animal or vegetable in origin) | 200 mg/L |
Oil and/or grease (mineral or petroleum in origin) | 100 mg/L |
pH | 6.0 – 10.0 |
Silver | 0.24 mg/L |
Total phenols | 1.0 mg/L |
Total suspended solids | 150 mg/L |
Total toxic organics (TTO) | 2.13 mg/L |
Zinc | 2.4 mg/L |
(2) The above limits apply at the point where the wastewater is discharged to the POTW. All concentrations for metallic substances are for total metal unless indicated otherwise. The Superintendent may impose mass limitations in addition to the concentration-based limitations above.
(C) The Superintendent may develop best management practices (BMPs), by ordinance or in individual wastewater discharge permits, to implement local limits and the requirements of § 54.020 of this chapter.
(Ord. 7-2010, passed 11-22-2010) Penalty, see § 54.999
(A) 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 a discharge limitation unless expressly authorized by an applicable pretreatment standard or requirement.
(B) The Superintendent may impose mass limitations on users who are using dilution to meet applicable pretreatment standards or requirements or in other cases when the imposition of mass limitations is appropriate.
(Ord. 7-2010, passed 11-22-2010) Penalty, see § 54.999
PRETREATMENT OF WASTEWATER
(A) Users shall provide wastewater treatment as necessary to comply with this chapter and shall achieve compliance with all categorical pretreatment standards, local limits and the prohibitions set out in § 54.020 of this chapter within the time limitations specified by the EPA, the state or the Superintendent, whichever is more stringent.
(B) Any facilities necessary for compliance shall be provided, operated and maintained at the user’s expense. Detailed plans describing such facilities and operating procedures shall be submitted to the Superintendent for review and shall be acceptable to the Superintendent before such facilities are constructed. The review of such plans and operating procedures shall in no way relieve the user from the responsibility of modifying such facilities as necessary to produce a discharge acceptable to the town under the provisions of this chapter.
(Ord. 7-2010, passed 11-22-2010)
(A) Whenever deemed necessary, the Superintendent 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 waste streams from industrial waste streams and such other conditions as may be necessary to protect the POTW and determine the user’s compliance with the requirements of this chapter.
(B) The Superintendent may require any persons 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. An individual wastewater discharge permit may be issued solely for flow equalization.
(C) Grease, oil and sand interceptors shall be provided when, in the opinion of the Superintendent, they are necessary for the proper handling of wastewater containing excessive amounts of grease and oil or sand, except that such interceptors shall not be required for residential users. All interception units shall be of a type and capacity approved by the Superintendent and shall be so located as to be easily accessible for cleaning and inspection. Such interceptors shall be inspected, cleaned and repaired by the user at his or her expense.
(D) Users with the potential to discharge flammable substances may be required to install and maintain an approved combustible gas detection meter.
(Ord. 7-2010, passed 11-22-2010) Penalty, see § 54.999
(A) The Superintendent shall evaluate whether each SIU needs an accidental discharge/slug discharge control plan or other action to control slug discharges. The Superintendent may require any user to develop, submit for approval and implement such a plan or to take such other action that may be necessary to control slug discharges. Alternatively, the Superintendent may develop such a plan for any user.
(B) An accidental discharge/slug discharge control plan shall address, at a minimum, the following:
(1) Description of discharge practices, including non-routine batch discharges;
(2) Description of stored chemicals;
(3) Procedures for immediately notifying the Superintendent of any accidental or slug discharge, as required by § 54.100 of this chapter; and
(4) Procedures to prevent adverse impact from any accidental or slug discharge. Such procedures include, but are not limited to, the inspection and maintenance of storage areas, the handling and transfer of materials, loading and unloading operations, control of plant site runoff, worker training, the building of containment structures or equipment, measures for containing toxic organic pollutants, including solvents, and measures and equipment for emergency response.
(Ord. 7-2010, passed 11-22-2010)
(A) Septic tank waste may be introduced into the POTW only at locations designated by the Superintendent and at such times as are established by the Superintendent. Such waste shall not violate §§ 54.020 to 54.025 of this chapter or any other requirements established by the town. The Superintendent may require septic tank waste haulers to obtain individual wastewater discharge permits.
(B) The Superintendent may require haulers of industrial waste to obtain individual wastewater discharge permits. The Superintendent may require generators of hauled industrial waste to obtain individual wastewater discharge permits. The Superintendent 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) Industrial waste haulers may discharge loads only at locations designated by the Superintendent. No load may be discharged without the prior consent of the Superintendent. The Superintendent may collect samples of each hauled load to ensure compliance with applicable standards. The Superintendent may require the industrial waste hauler to provide a waste analysis of any load prior to discharge.
(D) 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 the waste. The form shall identify the type of industry, known or suspected waste constituents and whether any wastes are RCRA hazardous wastes.
(Ord. 7-2010, passed 11-22-2010) Penalty, see § 54.999
INDIVIDUAL WASTEWATER DISCHARGE PERMITS
When requested by the Superintendent, a user must submit information on the nature and characteristics of its wastewater within 30 days of the request. The Superintendent is authorized to prepare a form for this purpose and may periodically require users to update this information.
(Ord. 7-2010, passed 11-22-2010) Penalty, see § 54.999
(A) No significant industrial user shall discharge wastewater into the POTW without first obtaining an individual wastewater discharge permit from the Superintendent, except that a significant industrial user that has filed a timely application pursuant to § 54.057 of this chapter may continue to discharge for the time period specified therein.
(B) The Superintendent may require other users to obtain individual wastewater discharge permits as necessary to carry out the purposes of this chapter.
(C) Any violation of the terms and conditions of an individual wastewater discharge permit shall be deemed a violation of this chapter and subjects the wastewater discharge permittee to the sanctions set out in §§ 54.135 to 54.143 or 54.155 to 54.157 of this chapter. Obtaining an individual wastewater discharge permit does not relieve a permittee of the permittee’s obligation to comply with all federal and state pretreatment standards or requirements, or with any other requirements of federal, state and local law.
(Ord. 7-2010, passed 11-22-2010) Penalty, see § 54.999
Any user required to obtain an individual wastewater discharge permit who was discharging wastewater into the POTW prior to the effective date of this chapter and who wishes to continue such discharges in the future shall, within 90 days after said date, apply to the Superintendent for an individual wastewater discharge permit in accordance with § 54.059 of this chapter and shall not cause or allow discharges to the POTW to continue after 180 days of the effective date of this chapter, except in accordance with an individual wastewater discharge permit issued by the Superintendent.
(Ord. 7-2010, passed 11-22-2010) Penalty, see § 54.999
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