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§ 52.001  PURPOSE AND POLICY.
   (A)   This chapter sets forth uniform requirements for users of the publicly owned treatment works (POTW) for the town and enables the town to comply with all applicable state and federal laws including the Clean Water Act (33 U.S.C. §§ 1251 et seq.), the General Pretreatment Regulations (40 C.F.R. part 403), and the Virginia Permit Regulation (12 VAC 5-590-190 et seq.). The objectives of this chapter are:
      (1)   To prevent the introduction of pollutants into the POTW that will interfere with the operation of the POTW;
      (2)   To prevent the introduction of pollutants into the POTW which will pass through the POTW, inadequately treated, into receiving waters or otherwise be incompatible with the POTW;
      (3)   To ensure that the quality of the wastewater treatment plant sludge is maintained at a level which allows its use and disposal in compliance with applicable statutes and regulations;
      (4)   To protect both POTW personnel who may be affected by wastewater and sludge in the course of their employment and to protect the general public;
      (5)   To promote reuse and recycling of industrial wastewater and sludge from the POTW;
      (6)   To provide for fees for the equitable distribution of the cost of operation, maintenance and improvement of the POTW; and
      (7)   To enable the town to comply with its VPDES permit conditions, sludge use and disposal requirements, and any other federal or state laws to which the POTW is subject.
   (B)   This chapter shall apply to all users of the POTW. This chapter authorizes the issuance of wastewater discharge permits; provides for monitoring, compliance and enforcement activities; establishes administrative review procedures; requires industrial user reporting; and provides for the setting of fees for the equitable distribution of costs resulting from the program established herein.
(1996 Code, § 168-1)
§ 52.002  ADMINISTRATION.
   Except as otherwise provided herein, the Wastewater Superintendent shall administer, implement and enforce the provisions of this chapter. Any powers granted to or duties imposed upon the Wastewater Superintendent may be delegated by the Wastewater Superintendent to other town personnel.
(1996 Code, § 168-2)
§ 52.003  ABBREVIATIONS.
   The following abbreviations, when used in this chapter, shall have the designated meanings:
   BOD. Biochemical oxygen demand.
   C.F.R.  Code of Federal Regulations.
   COD.  Chemical oxygen demand.
   EPA.  United States Environmental Protection Agency.
   gpd.  Gallons per day.
   mg/l.  Milligrams per liter.
   VPDES.  Virginia pollutant discharge elimination system.
   O&M.  Operation and maintenance.
   POTW.  Publicly owned treatment works.
   RCRA.  Resource Conservation and Recovery Act.
   SIC.  Standard industrial classifications.
   SWDA.  Solid Waste Disposal Act (42 U.S.C. §§ 6901 et seq.).
   TSS.  Total suspended solids.
   U.S.C.  United States Code.
(1996 Code, § 168-3)
§ 52.004  DEFINITIONS.
   For the purpose of this chapter, the following definitions shall apply unless the context clearly indicates or requires a different meaning. SHALL is mandatory; MAY is permissive or discretionary. The use of the singular shall be construed to include the plural and the plural shall include the singular as indicated by the context of its use.
   ACT or THE ACT.  The Federal Water Pollution Control Act, also known as the Clean Water Act, as amended, 33 U.S.C. §§ 1251 et seq.
   APPROVAL AUTHORITY. The Department of Environmental Quality of the Commonwealth of Virginia.
   AUTHORIZED REPRESENTATIVE OF THE USER.
      (1)   If the user is a corporation:
         (a)   The president, secretary, treasurer or a vice president of the corporation in charge of a principal business function, or any other person who performs similar policy or decision-making functions for the corporation; or
         (b)   The manager of one or more manufacturing, production or operation facilities employing more than 250 persons or having gross annual sales or expenditures exceeding $25,000,000 (in second quarter 1980 dollars), if authority to sign documents has been assigned or delegated to the manager in accordance with corporate procedures.
      (2)   If the user is a partnership, or sole proprietorship: a general partner or proprietor, respectively.
      (3)   If the user is a federal, state or local governmental facility: a director or highest official appointed or designated to oversee the operation and performance of the activities of the government facility, or their designee.
      (4)   The individuals described in divisions (1) through (3) above may designate another AUTHORIZED REPRESENTATIVE if the authorization is in writing, the authorization specifies the individual or position responsible for the overall operation of the facility from which the discharge originates or having overall responsibility for environmental matters for the company, and the written authorization is submitted to town.
   BIOCHEMICAL OXYGEN DEMAND (BOD).  The quantity of oxygen utilized in the biochemical oxidation of organic matter under standard laboratory procedure, five days at 20°C, usually expressed as a concentration (mg/l).
   CATEGORICAL PRETREATMENT STANDARD OR CATEGORICAL STANDARD. Any regulation containing pollutant discharge limits promulgated by the EPA in accordance with § 307(b) and (c) of the Act (33 U.S.C. § 1317) which apply to a specific category of industrial users and which appear in 40 C.F.R. Chapter I, Subchapter N, Parts 405 through 471.
   COLOR.  The optical density at the visual wave length of maximum absorption, relative to distilled water. One hundred percent transmittance is equivalent to zero optical density.
   COMPOSITE SAMPLE. The sample resulting from the combination of individual wastewater samples taken at selected intervals based on an increment of either flow or time.
   CONTROL AUTHORITY. The Town Council of the town.
   ENVIRONMENTAL PROTECTION AGENCY or EPA.  The United States Environmental Protection Agency or, where appropriate, the Regional Water Management Division Director or other duly authorized official of said agency.
   EXISTING SOURCE.  Any source of discharge, the construction or operation of which commenced prior to the publication by EPA of proposed categorical pretreatment standards, which will be applicable to such source if the standard is thereafter promulgated in accordance with § 307 of the Act, being 33 U.S.C. § 1317.
   GRAB SAMPLE.  A sample which is taken from a waste stream without regard to the flow in the waste stream and over a period of time, not to exceed 15 minutes.
   INDIRECT DISCHARGE or DISCHARGE. The introduction of pollutants into the POTW from any nondomestic source regulated under § 307(b), (c) or (d) of the Act, being 33 U.S.C. §§ 1317(b), (c) or (d).
   INDUSTRIAL USER or USER.  A source of indirect discharge.
   INSTANTANEOUS MAXIMUM ALLOWABLE DISCHARGE LIMIT.  The maximum concentration (or loading) of a pollutant allowed to be discharged at any time, determined from the analysis of any discrete or composited sample collected, independent of the industrial flow rate and the duration of the sampling event.
   INTERFERENCE.  A discharge which alone or in conjunction with a discharge or discharges from other sources inhibits or disrupts the POTW, its treatment processes or operations or its sludge processes, use or disposal; and therefore is a cause of a violation of the POTW’s VPDES permit or of the prevention of sewage sludge use or disposal in compliance with any of the following statutory/regulatory provisions or permits issued thereunder, or any more stringent state or local regulations: § 405 of the Act, being 33 U.S.C. § 1345; the Solid Waste Disposal Act, being 42 U.S.C. §§ 6901 et seq., including Title II commonly referred to as the Resource Conservation and Recovery Act (RCRA); any state regulations contained in any state sludge management plan prepared pursuant to Subtitle D of the Solid Waste Disposal Act; the Clean Air Act, being 42 U.S.C. §§ 7401 et seq.; the Toxic Substances Control Act, being 15 U.S.C. §§ 2601 et seq.; and the Marine Protection, Research and Sanctuaries Act, being 16 U.S.C. §§ 1431 et seq. and 33 U.S.C. §§ 1401 et seq.
   MEDICAL WASTE.  Isolation wastes, infectious agents, human blood and blood products, pathological wastes, sharps, body parts, contaminated bedding, surgical wastes, potentially contaminated laboratory wastes and dialysis wastes.
   NEW SOURCE.
      (1)   Any building, structure, facility or installation from which there is or may be a discharge of pollutants, the construction of which commenced after the publication of proposed pretreatment standards under § 307(c) of the Act which will be applicable to such source if such standards are thereafter promulgated in accordance with that section, provided that:
         (a)   The building, structure, facility or installation is constructed at a site at which no other source is located;
         (b)   The building, structure, facility or installation totally replaces the process or production equipment that causes the discharge of pollutants at an existing source; or
         (c)   The production or wastewater generating processes of the building, structure, facility or installation are substantially independent of an existing source at the same site. In determining whether these are substantially independent, factors such as the extent to which the new facility is integrated with the existing plant, and the extent to which the new facility is engaged in the same general type of activity as the existing source, should be considered.
      (2)   Construction on a site at which an existing source is located results in a modification rather than a new source if the construction does not create a new building, structure, facility or installation meeting the criteria of divisions (1)(b) or (1)(c) above but otherwise alters, replaces or adds to existing process or production equipment.
      (3)   Construction of a NEW SOURCE as defined under this section has commenced if the owner or operator has:
         (a)   Begun, or caused to begin as part of a continuous on-site construction program:
            1.   Any placement, assembly or installation of facilities or equipment; or
            2.   Significant site preparation work, including clearing, excavation or removal of existing buildings, structures or facilities which is necessary for the placement, assembly or installation of new source facilities or equipment.
         (b)   Entered into a binding contractual obligation for the purchase of facilities or equipment which are intended to be used in its operation within a reasonable time. Options to purchase or contracts which can be terminated or modified without substantial loss, and contracts for feasibility, engineering and design studies do not constitute a contractual obligation under this division (3)(b).
   NONCONTACT COOLING WATER.  Water used for cooling which does not come into direct contact with any raw material intermediate product, waste product or finished product.
   PASS THROUGH.  A discharge which exits the POTW into waters of the United States in quantities or concentrations which, alone or in conjunction with a discharge or discharges from other sources, is a cause of a violation of any requirement of the town VPDES permit, including an increase in the magnitude or duration of a violation.
   PERSON.  Any individual, partnership, copartnership, firm, company, corporation, association, joint stock company, trust, estate, governmental entity or any other legal entity; or their legal representatives, agents or assigns. This definition includes all federal, state and local governmental entities.
   pH.  A measure of the acidity or alkalinity of a solution, expressed in standard units.
   POLLUTANT.  Any dredged spoil, solid waste, incinerator residue, filter backwash, sewage, garbage, sewage sludge, munitions, medical wastes, chemical wastes, biological materials, radioactive materials, heat, wrecked or discharged equipment, rock, sand, cellar dirt, municipal, agricultural and industrial wastes, and certain characteristics of wastewater (i.e., pH, temperature, TSS, turbidity, color, BOD, COD, toxicity or odor).
   PRETREATMENT.  The reduction of the amount of pollutants, the elimination of pollutants or the alteration of the nature of pollutant properties in wastewater prior to, or in lieu of, introducing such pollutants into the POTW. This reduction or alteration can be obtained by physical, chemical or biological processes; by process changes; or by other means, except by diluting the concentration of the pollutants unless allowed by an applicable pretreatment standard.
   PRETREATMENT REQUIREMENTS.  Any substantive or procedural requirement related to pretreatment imposed on a user, other than a pretreatment standard.
   PRETREATMENT STANDARDS OR STANDARDS.  Prohibitive discharge standards, categorical pretreatment standards and local limits.
   PROHIBITED DISCHARGE STANDARDS or PROHIBITED DISCHARGES.  Absolute prohibitions against the discharge of certain substances; these prohibitions appear in § 52.015.
   PUBLICLY OWNED TREATMENT WORKS OR POTW.  A “treatment works” as defined by § 212 of the Act (33 U.S.C. § 1292), which is owned by the state or municipality. This definition includes any devices or systems used in the collection, storage, treatment, recycling and reclamation of sewage or industrial wastes of a liquid nature, and any conveyances which convey wastewater to a treatment plant. The term also means the municipal entity having jurisdiction over the users and responsibility for the operation and maintenance of the treatment works.
   SEPTIC TANK WASTE.  Any sewage from holding tanks such as vessels, chemical toilets, campers, trailers and septic tanks.
   SEWAGE.  Human excrement and gray water (household showers, dishwashing operations and the like).
   SIGNIFICANT INDUSTRIAL USER.
      (1)   A user subject to categorical pretreatment standards;
      (2)   A user that:
         (a)   Discharges an average of 25,000 gpd or more of process wastewater to the POTW (excluding sanitary, noncontact cooling and boiler blowdown wastewater);
         (b)   Contributes a process waste stream which makes up 5% or more of the average dry weather hydraulic or organic capacity of the POTW treatment plant; or
         (c)   Is designated as such by the town on the basis that it has a reasonable potential for adversely affecting the POTW’s operation or for violating any pretreatment standard or requirement.
      (3)   Upon a finding that a user meeting the criteria in division (2) above has no reasonable potential for adversely affecting the POTW’s operation or for violating any pretreatment standard or requirement, (the city) may at any time, on its own initiative or in response to a petition received from a user, and in accordance with procedures in 40 C.F.R. § 403.8(f)(6), determine that such user should not be considered a SIGNIFICANT INDUSTRIAL USER.
   SLUG LOAD.  Any discharge at a flow rate or concentration which could cause a violation of the prohibited discharge standards in § 52.015, or any discharge of a non-routine, episodic nature, including but not limited to, an accidental spill or a non-customary batch discharge.
   STANDARD INDUSTRIAL CLASSIFICATION (SIC) CODE. A classification pursuant to the Standard Industrial Classification Manual issued by the United States Office of Management and Budget, 1987.
   STORMWATER. Any flow occurring during or following any form of natural precipitation, and resulting therefrom, including snowmelt.
   SUSPENDED SOLIDS.  The total suspended matter that floats on the surface of, or is suspended in, water, wastewater or other liquid, and which is removable by laboratory filtering.
   TOWN. The Town Council of the town.
   TOXIC POLLUTANT.  One of the 126 pollutants, or combination of those pollutants, listed as toxic in regulations promulgated by the EPA under the provision of § 307 (33 U.S.C. § 1317) of the Act.
   TREATMENT PLANT EFFLUENT.  Any discharge of pollutants from the POTW into waters of the state.
   WASTEWATER.  Liquid- and water-carried industrial wastes, and sewage from residential dwellings, commercial buildings, industrial and manufacturing facilities, and institutions, whether treated or untreated, which are contributed to the POTW.
   WASTEWATER SUPERINTENDENT.  The person designated by the town to supervise the operation of the POTW, and who is charged with certain duties and responsibilities by this chapter, or a duly authorized representative.
   WASTEWATER TREATMENT PLANT OR TREATMENT PLANT.  The portion of the POTW designed to provide treatment of sewage and industrial waste.
(1996 Code, § 168-4)
GENERAL SEWER USE REQUIREMENTS
§ 52.015  PROHIBITED DISCHARGE STANDARDS.
   (A)   General prohibitions. No industrial user shall introduce or cause to be introduced into the POTW any pollutant or wastewater which causes pass through or interference. These general prohibitions apply to all users of the POTW whether or not they are subject to categorical pretreatment standards or any other national, state or local pretreatment standards or requirement.
   (B)   Specific prohibitions.
      (1)   No user shall introduce or cause to be introduced into the POTW the following pollutants, substances or wastewater:
         (a)   Pollutants which create a fire or explosive hazard in the municipal wastewater collection and POTW, including, but not limited to, waste streams with a closed-cup flashpoint of less than 140°F (60°C) using the test methods specified in 40 C.F.R. § 261.21;
         (b)   Wastewater having a pH less than 5.0 or more than 11.0, or otherwise causing corrosive structural damage to the POTW or equipment;
         (c)   Solid or viscous substances in amounts which will cause obstruction of the flow in the POTW resulting in interference, but in no case solids greater than three inches or 7.6 centimeter(s) in any dimension;
         (d)   Pollutants, including oxygen demanding pollutants (BOD and the like), released in a discharge at a flow rate and/or pollutant concentration which, either singly or by interaction with other pollutants, will cause interference with either the POTW; or any wastewater treatment or sludge process, or which will constitute a hazard to humans or animals;
         (e)   Wastewater having a temperature greater than 104°F (40°C), or which will inhibit biological activity in the treatment plant resulting in interference, but in no case wastewater which causes the temperature at the introduction into the treatment plant to exceed 104°F (40°C);
         (f)   Petroleum oil, nonbiodegadable cutting oil, or products of mineral oil origin, in amounts that will cause interference or pass through;
         (g)   Pollutants which result in the presence of toxic gases, vapors or fumes within the POTW in a quantity that may cause acute worker health and safety problems;
         (h)   Trucked or hauled pollutants, except at discharge points designated by the town in accordance with § 52.038;
         (i)   Noxious or malodrous liquids, gases, solids or other wastewater which, either singly or by interaction with other wastes, are sufficient to create a public nuisance, a hazard to life, or to prevent entry into the sewers for maintenance and repair;
         (j)   Wastewater which imparts color which cannot be removed by the treatment process, such as, but not limited to, dye wastes and vegetable tanning solutions, which consequently imparts color to the POTW effluent thereby violating the town’s VPDES permit;
         (k)   Wastewater containing any radioactive wastes or isotopes except in compliance with applicable state or federal regulations;
         (1)   Stormwater, surface water, groundwater, artesian well water, roof runoff, subsurface drainage, swimming pool drainage, condensate, deionized water, noncontact cooling water and unpolluted industrial wastewater, unless specifically authorized by the Wastewater Superintendent;
         (m)   Sludges, screenings or other residues from the pretreatment of industrial wastes;
         (n)   Medical wastes, except as specifically authorized by the Wastewater Superintendent in a wastewater discharge permit;
         (o)   Wastewater causing, alone or in conjunction with other sources, the treatment plant’s effluent to fail a toxicity test;
         (p)   Detergents, surface active agents or other substances which may cause excessive foaming in the POTW;
         (q)   Fats, oils or greases of animal or vegetable origin in concentrations greater than 500 mg/l; and
         (r)   Wastewater causing a reading on an explosion hazard meter at the point of discharge into the POTW, or any point in the POTW, over the lower explosive limit of the meter.
      (2)   Pollutants, substances or wastewater prohibited by this section shall not be processed or stored in such a manner that they could be discharged to the POTW.
      (3)   All floor drains located in process or materials storage areas must discharge to the user’s pretreatment facility before connecting with the POTW.
   (C)   Requirements. This chapter references the significant industrial user’s wastewater discharge permit. The user shall be required to meet all requirements of the town wastewater discharge permit.
(1996 Code, § 168-5)  Penalty, see § 52.999
§ 52.016  NATIONAL CATEGORICAL PRETREATMENT STANDARDS.
   The categorical pretreatment standards found at 40 C.F.R. Chapter I, Subchapter N, parts 405 through 471 are hereby incorporated.
   (A)   Where a categorical pretreatment standard is expressed only in terms of either the mass or the concentration of a pollutant in wastewater, the Wastewater Superintendent may impose equivalent concentration or mass limits in accordance with 40 C.F.R. § 403.6(c).
   (B)   When wastewater subject to a categorical pretreatment standard is mixed with wastewater not regulated by the same standard, the Wastewater Superintendent shall impose an alternate limit using the combined waste stream formula in 40 C.F.R. § 403.6(e).
   (C)   A user may obtain a variance from a categorical pretreatment standard if the user can prove, pursuant to the procedural and substantive provisions in 40 C.F.R. § 403.13, that factors relating to its discharge are fundamentally different from the factors considered by EPA when developing the categorical pretreatment standard.
   (D)   A user may obtain a net gross adjustment to a categorical standard in accordance with 40 C.F.R. § 403.15.
(1996 Code, § 168-6)  Penalty, see § 52.999
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