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13.12.130 – Definitions

Unless a provision explicitly states otherwise, the following terms and phrases, as used in this chapter, shall have the meanings hereinafter designated.

  1. Accidental Discharges. Unplanned release of substances either directly or indirectly in such magnitude to cause substantial effects on receiving systems or treatment processes. Release is the result of accident, act of nature or operational malfunctions
  2. Act or "the Act" or “Clean Water Act” or “Federal Act.” The Federal Water Pollution Control Act, also known as the Clean Water Act, as amended, 33 U.S.C. § 1251 et seq.
  3. Administrator. The Administrator of the United States Environmental Protection Agency.
  4. Agency. The Illinois Environmental Protection Agency.
  5. Amalgam Process Wastewater. Any wastewater generated and discharged by a dental discharger through the practice of dentistry that may contain dental amalgam.
  6. Amalgam Separator. A collection device designed to capture and remove dental amalgam from the amalgam process wastewater of a dental facility.
  7. Applicable Pretreatment Standards. For any specified pollutant, the prohibitive discharge standards, specific limitations on discharge, or the National Categorical Pretreatment Standards (when effective), whichever standard is most stringent.
  8. Approval Authority. The Regional Administrator of Region V of USEPA, until such time that the State of Illinois has a USEPA approved pretreatment program.
  9. Approved. Item or procedure must meet the conditions of and be accepted by the City of St. Charles.
  10. Authorized Representative of the User.
    1. If the User is a corporation:
      1. By a responsible corporate officer - 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
      2.   The manager of one or more manufacturing, production, or operating facilities provided the manager is authorized to make management decisions that govern the operation of the regulated facility including having the explicit or implicit duty of making major capital investment recommendations, and initiate and direct other comprehensive measures to assure long-term environmental compliance with environmental laws and regulations; can ensure that the necessary systems are established or actions taken to gather complete and accurate information for individual wastewater permit (or general permit) requirements; and where 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 limited liability company (LLC): any managing member of the company.
    4. 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.
    5. The individuals described in paragraphs a through d, above, may designate a duly 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 the Director of Public Works or designee.
    6. If an authorization under paragraph e of this section is no longer accurate because a different individual or position has responsibility for the overall operation of the facility or overall responsibility for the environmental matters for the company, a new authorization satisfying the requirements of paragraph e must be submitted to the Director of Public Works or designee within 30 calendar days.  If an authorization under paragraph e of this section is no longer accurate because the individual described in paragraphs a through d above has changed, a new authorization satisfying the requirements of paragraph e must be submitted to the Director of Public Works or designee within 30 calendar days.
  11. Best Management Practice (BMP). Schedule of activities, prohibitions of practices, maintenance procedures, and other management practices to implement the prohibitions listed in Section 13.12.400 [40 CFR Section 403.5(a)(1) and (b)] and/or prevent or reduce the pollution conveyed to the POTW.  BMPs include treatment requirements, operating procedures, and practices to control plant site runoff, spillage or leaks, Biosolids or waste disposal, or drainage from raw materials storage. 
  12. Building Official.  The Building Official of the City, or his authorized deputy, agent or representative.
  13. Biochemical Oxygen Demand or BOD. The quantity of oxygen utilized in the biochemical oxidation of organic matter under standard laboratory procedures for five (5) days at 20° centigrade, usually expressed as a concentration (e.g., mg/l).
  14. Building Sanitary Sewer. A sewer, which carries only sewage and industrial wastes from the building plumbing to the public sanitary sewer.
  15. Building Storm Sewer. A sewer, which carries storm drainage, surface water, foundation drainage and roof drainage but excludes sewage and industrial wastes from the building plumbing to a public storm sewer or natural outlet.
  16. Bypass. The intentional diversion of waste streams from any portion of a User's treatment or pretreatment facility.
  17. Categorical Industrial User (CIU). An industrial user subject to a Categorical Pretreatment Standard or Categorical Standard. A CIU is considered to be a Significant Industrial User (SIU).
  18. Categorical Pretreatment Standard or Categorical Standard. Any regulation containing pollutant discharge limits promulgated by USEPA in accordance with Sections 307(b) and (c) of the Act (33 U.S.C. § 1317) which apply to a specific category of Users and which appear in 40 CFR Chapter I, Subchapter N, Parts 405-471.
  19. Carbonaceous Biochemical Oxygen Demand or CBOD. The quantity of oxygen utilized in the biochemical oxidation of organic matter, excluding the quantity of oxygen utilized for nitrogenous oxygen demand.
  20. Chemical Oxygen Demand.  The quantity of oxygen utilized in the chemical oxidation of all compounds, both organic and inorganic in water.
  21. City. The City of St. Charles, Kane and DuPage Counties, Illinois and any references to “within the City” shall mean all territory within the perimeter of the City limits or wastewater service area.
  22. Combined Waste Stream Formula. The formula set forth in 40 CFR Section 403.6(e).
  23. Commercial Business. A business that distributes goods or provides service, but does not involve the manufacturing, processing or production of goods.  Commercial businesses include those that may either prepare and/or serve food.
  24. Compatible Pollutant. Biochemical oxygen demand, suspended solids, oil & grease, pH and fecal coli form bacteria.
  25. Composite Sample. Sample of wastewater composed of two or more discrete samples collected, based on a flow proportional or time proportional method.
  26. Concentration Limitations. The limits imposing the amount of a given substance in a discrete unit volume of a solution or applied to a unit weight of solid.
  27. Control Authority. The City of St. Charles.
  28. Cooling Water. The water discharged from any use such as air conditioning, cooling or refrigeration, to which the only pollutant added is heat.
  29. Daily Maximum. The arithmetic average of all effluent samples for a pollutant collected during a calendar day.
  30. Daily Maximum Limit. The maximum allowable discharge limit of a pollutant during a calendar day.  Where daily maximum are expressed in terms of a concentration, the daily discharge is the arithmetic average measurement of the pollutant concentration derived from all measurements taken that day. Where daily maximum are expressed in units of mass, the daily discharge is the total mass discharged over the course of a day.
  31. Dental Amalgam. An alloy of elemental mercury and other metal(s) that is used in the practice of dentistry.
  32. Dental Discharger. A facility where the practice of dentistry is performed, including, but not limited to, institutions, permanent or temporary offices, clinics, home offices, and facilities owned and operated by Federal, state or local governments, that discharges wastewater to a Publicly Owned Treatment Works (POTW).
  33. Director of Public Works. The Director of Public Works of the City, or his authorized deputy, agent or representative. The Director of Public Works has the authority to designate the Pretreatment Coordinator.
  34. Discharge. The discharge of treated or untreated wastewater to the POTW.
  35. Discharger. Any person, firm, establishment, or institution, which discharges wastewater, excluding inflow and infiltration, to a sanitary sewer, which eventually leads into a City-owned sanitary sewer or POTW from any non-domestic source regulated under Section 307(b), (c), or (d) of the Act and 35 Ill Adm. Code (IAC) 307. Each single connection is a separate discharge by a discharger. "User" is used interchangeably with "Discharger".
  36. Discharge Permit. An individual or general permit issued to a user which specifies the requirements for discharge of wastewater or the requirements for zero discharge or wastewater as appropriate.
  37. Duly Authorized Agent. The Mayor, City Council of St. Charles, Director of Public Works, City Attorney and designated employees and agents of the City.
  38. Dwelling. A unit designated for occupancy by one family. It may be a house designed by the exclusive use of one family or it may be a portion of a building designed and intended to be used by one family.
  39. Easement. An acquired legal right for the specific use of land owned by others.
  40. Effluent Criteria. Those criteria defined in any applicable "NPDES" permit.
  41. Environmental Protection Agency or USEPA. The U.S. Environmental Protection Agency or, where appropriate, the Regional Water Division Director, the Regional Administrator, or other duly authorized official of said agency.
  42. Environmental Remediation Water. Discharges from soil and/or groundwater remediations.
  43. ESfluent Criteria. Those criteria defined in any applicable "NPDES" permit.e of one family or it may be a portion of a building xisting Dental Discharger Source. A dental discharger that is not a new source.
  44. Existing Source. Any source of discharge that is not a “New Source”.
  45. Finance Director.  The Finance Director of the City, or his authorized deputy, agent or representative.
  46. Flow. Volume of wastewater per unit of time.

  47. Garbage. Solid wastes from the domestic and commercial preparation, cooking and dispensing of food and from the commercial handling, storage and sale of produce or food.
  48. Grab Sample. A sample which is taken from a wastestream on a one-time basis without regard to the flow in the wastestream and over a period of time not to exceed fifteen (15) minutes.
  49. General Pretreatment Regulations. The General Pretreatment Regulations for Existing and New Sources, 40 CFR Part 403, as amended.
  50. Grab Sample. A sample, which is taken from a waste stream with no regard to the flow in the waste stream and over a period of time not to exceed fifteen (15) minutes.
  51. Hazardous Waste. Any substance which, if otherwise disposed of, would be a hazardous waste under 40 CFR Part 261.
  52. Illinois Act. The Environmental Protection Act, as amended 415 ILCS 5/1 et seq.
  53. Indirect Discharge or Discharge. The introduction of pollutants into the POTW from any nondomestic source regulated under Section 307(b), (c), or (d) of the Act.
  54. Incompatible Pollutant. Any pollutant which is not a compatible pollutant as defined in this section.
  55. Industrial User. A source of indirect discharge, including but not limited to, a manufacturing, commercial or process facility, or other facility engaged in the purchase or sale of goods, transaction of business or who otherwise renders services to the public.
  56. Industrial Wastes. A combination of liquid and water carried wastes discharged, permitted to flow or escape from any non-residential source, including the wastewater from pretreatment facilities and polluted cooling water.
  57. Infiltration.  Water other than wastewater that enters a sewer system (including sewer service connections and foundation drains) from the ground through such means as defective pipes, pipe joints, connections, or manholes.  Infiltration does not include, as is distinguished from, inflow.
  58. Inflow.  Water other than wastewater that enters a sewer system (including sewer service connections) from sources such as, but not limited to, roof leaders, cellar drains, yard drains, area drains, drains from springs and swampy areas, manhole covers, cross connections between storm sewers and sanitary sewers, catch basins, cooling towers, storm waters, surface runoff, street wash waters, or drainage.  Inflow does not includes, and is distinguished from, infiltration.
  59. Instantaneous Limit. The maximum concentration 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.
  60. Interference or Interfere. A discharge, which, 1) alone or in conjunction with a discharge or discharges from other sources, inhibits or disrupts a POTW, its treatment processes or operations or its sludge processes, use or disposal; and, 2) therefore, is a cause of a) a violation of the POTW’s NPDES permit (including an increase in the magnitude or duration of a violation) or other permit of the City issued by any State or Federal agency or b) of the prevention of sewage sludge use or disposal by the POTW in compliance with any of the following statutory provisions and regulations or of permits issued thereunder, or of any more stringent State or local regulations: Section 405 of the Act; the Solid Waste Disposal Act, 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; the Toxic Substances Control Act; and the Marine Protection, Research, and Sanctuaries Act.
  61. Limited Dental Discharger Source. A dental discharger that does not place dental amalgam, and does not remove dental amalgam except in limited emergency or unplanned, unanticipated circumstances. A new limited dental discharge source means a limited dental discharger whose first discharge to a POTW occurs after July 14, 2017. An existing limited dental discharge source means a limited dental discharger that is not a new source.
  62. Local Limits. Specific discharge limits developed and enforced by the Director of Public Works or designee upon industrial or commercial facilities to implement the general and specific discharge prohibitions listed in 40 CFR Section 403.5(a)(1) and (b). These limits on industrial and commercial discharges are listed in Section 13.12.430.
  63. Mass Limitation. Limits imposed upon a discharger based upon volumes or concentrations that are converted to weight units.
  64. Maximum Allowable Headworks Loading.  The estimated maximum loading of a pollutant that can be received at a POTW’s headworks without causing pass through or interference. 
  65. Maximum Allowable Industrial Loading.  The estimated maximum loading of a pollutant that can be received at a POTW’s headworks from all permitted industrial users and other controlled sources without causing pass through or interference.  This is usually calculated by applying a safety factor to the Maximum Allowable Headworks Loading and discounting for uncontrolled sources, hauled waste and growth allowance.
  66. 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.
  67. Milligrams per liter. A unit of the concentration of water or wastewater constituent. It is 0.001 grams of the constituent in one thousand milliliters of water.
  68. Mobile Unit. A specialized mobile self-contained van, trailer, or equipment used in providing dentistry services at multiple locations.
  69. Monthly Average. The sum of all “daily discharges” measured during a calendar month divided by the number of “daily discharges” measured during that month.
  70. Monthly Average Limit. The highest allowable average of “daily discharges” over a calendar month, calculated as a sum of all the “daily discharges” measured during a calendar month divided by the number of daily discharges measured during that month.
  71. National Categorical Pretreatment Standard, Categorical Pretreatment Standard or Categorical Standard. Any regulation containing pollutant discharge limits promulgated by the USEPA in accordance with Section 307(b) and (c) of the Act (33 USC 1317), which applies to a specific category of users and which appear in 40 CFR Chapter I, Subchapter N, Parts 405-471.
  72. National Pollutant Discharge Elimination System or NPDES. The national program for issuing, modifying, revoking and reissuing, terminating, monitoring and enforcing permits from point sources to waters of the United States, and imposing and enforcing pretreatment requirements, under sections 402 of the Act.
  73. National Pollution Discharge Elimination System Permit (NPDES Permit). A permit issued pursuant to Section 402 of the CWA. 
  74. Natural outlet. Any outlet into watercourse, pond, ditch, lake or other body of surface water or groundwater.
  75. New Dental Discharger Source. A dental discharger whose first discharge to a POTW occurs after July 14, 2017.
  76. 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 in the Code of Federal Regulations of proposed pretreatment standards under Section 307(c) of the Act which will be applicable to such source if such standards are thereafter promulgated in accordance with that Section 307(c), provided that one of the following is true:
      1. The building, structure, facility, or installation is constructed at a site at which no other source is located; or
      2. The building, structure, facility, or installation totally replaces the process or production equipment that causes the discharge of pollutants at an existing source; or
      3. 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. A site at which an existing source is located and where construction results in a modification rather than a new source as defined in Paragraph (a)(1) above, provided the construction does not create a new building, structure, facility, or installation meeting the criteria of Paragraph (a)(2) or (3) above but otherwise alters, replaces, or adds to existing process or production equipment.
    3. Construction of a new source as defined under this paragraph  has commenced if the owner or operator has done one of the following:
      1. Begun, or caused one of the following to begin, as part of a continuous onsite 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 are necessary for the placement, assembly, or installation of new source facilities or equipment; or
      2. 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 paragraph.
  77. 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.
  78. Non-Residential Dischargers. All dischargers excluding residential dischargers.
  79. Non-Significant Regulated User. A non-residential user that meets the criteria outlined in Section 13.12.500.C.1.e.
  80. NPDES Permit. Any permit or equivalent document or requirements issued by the Administrator or, where appropriate, by the Director of the IEPA, after enactment of the Federal Water Pollution Control Amendments of 1972, to regulate the discharge of pollutants pursuant to Section 402 of the Act.
  81. Oil & Grease. Any hydrocarbons, fatty acids, soaps, fats, waxes, oils, and any other material that is extracted by Freon solvent.
  82. Overhead Sewer. A sewer that does not discharge to a public or private sewer main through the use of gravity. Overhead sewers utilize a pump to lift the sewage to an elevation where gravity can then carry away the wastewater. Non-residential waste discharged from overhead sewers are subject to all the same limits and requirements of sanitary sewers.
  83. 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 violation of any requirement of a City NPDES Permit, including an increase in the magnitude or duration of a violation.
  84. Person. Any individual, partnership, co-partnership, firm, company, corporation, association, joint stock company, trust, estate, limited liability company, limited liability partnership, governmental entity, or any other legal entity; or their legal representatives, agents, or assigns. This definition includes all Federal, State, and local governmental entities.
  85. pH. A measure of the acidity or alkalinity of a solution, expressed in standard units.
  86. Pollutant. Dredged spoil, solid waste, incinerator residue, filter backwash, sewage, garbage, sewage sludge, munitions, medical wastes, chemical wastes, biological materials, radioactive materials, heat, wrecked or discarded equipment, rock, sand, cellar dirt, municipal, agricultural and industrial wastes, and certain characteristics of wastewater (e.g., pH, temperature, TSS, turbidity, color, BOD, COD, toxicity, or odor).
  87. 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.
  88. Pretreatment Coordinator. The person assigned by the Director of Public Works of the City of St. Charles.
  89. Pretreatment Requirements. Any substantive or procedural requirement related to pretreatment imposed on a User, other than a pretreatment standard.
  90. Pretreatment Standards. That For any specified pollutant, City prohibited discharge standards, State of Illinois pretreatment standards in Ill. Adm. Code Section 307, or the national categorical standards, and local limits.
  91. Prohibited Discharges or Prohibited Discharge Standards. Absolute prohibitions against the discharge of certain substances; such prohibitions appear in Section 13.12.400.
  92. Properly Shredded Garbage. The wastes from the preparation, cooking and dispensing of food that have been shredded to such a degree that all particles will be carried freely under the flow conditions normally prevailing in public sewers, with no particle greater than one-half inch (1.27 centimeters) in any dimension.
  93. Public Sewer. A sewer provided by or subject to the jurisdiction of the City. It shall also include sewers within or outside the City limits that serve two or more properties and, ultimately discharge into the City sanitary sewer, even though those sewers may not have been constructed with City funds.
  94. Publicly Owned Treatment Works or POTW. A “treatment works,” as defined by Section 212 of the Act (33 U.S.C. §1292) which is owned by the City. 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 POTW owned by the City, but does not include sewers, pipes, and other conveyances not connected to the City POTW.
  95. RCRA. The Resource Conservation and Recovery Act, Public Law 94-482 including all subsequent amendments and applicable regulations promulgated pursuant thereto.
  96. Regional Administrator. The Regional Administrator for USEPA Region V.
  97. Required. That the tasks stated must be done.
  98. Residential User.  Any single family or multi-family dwelling unit designed primarily as a place of human habitation which discharges only domestic wastewater to the City’s sanitary sewer system.
  99. Septic Tank Waste. Any sewage from holding tanks such as vessels, chemical toilets, campers, trailers, and septic tanks.
  100. Sewage. Human excrement and gray water (household showers, dishwashing operations, etc.).
  101. Sewerage. The system of sewers and appurtenances for the collection, transportation and pumping of sewage and industrial wastes.
  102. Shall and May. shall is required; may is permissive.
  103. Significant Industrial User. A user of the POTW (except as provided in paragraphs (c) and (d)) who is:
    1. A User subject to national categorical pretreatment standards; or
    2. A industrial User that:
      1. Discharges an average of twenty-five thousand (25,000) gpd or more of process wastewater to the POTW (excluding sanitary, noncontact cooling, and boiler blowdown wastewater);
      2. Contributes a process waste stream which makes up five (5) percent or more of the average dry weather hydraulic or organic capacity of the POTW; or
      3. Is designated as such by the Director of Public Works or designee 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. The Director of Public Works or designee may determine that a User subject to Categorical Pretreatment Standards is a Non-Significant Categorical Industrial User rather than a Significant Industrial User on a finding that the user never discharges more than 100 gallons per day (gpd) of total categorical wastewater (excluding sanitary, non-contact cooling and boiler blowdown wastewater, unless specifically included in the Pretreatment Standard) and the following conditions are met:
      1. The user, prior to the Director of Public Works’ or designee’s finding, has consistently complied with all applicable Categorical Pretreatment Standards and Requirements;

      2. The user annually submits the certification statement required in Section 13.12.615.C. [see 40 CFR Section 403.12(q)], together with any additional information necessary to support the certification statement; and

      3. The User never discharges any untreated concentrated wastewater.

    4. Upon a finding that a User meeting the criteria in paragraph (2) above has no reasonable potential for adversely affecting the POTW's operation or for violating any pretreatment standard or requirement, the Director of Public Works or designee 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 CFR Section 403.8(f)(6), determine that such User should not be considered a Significant Industrial User.
  104. Slug Load or Slug. Any discharge at a flow rate or concentration, which could cause interference with the POTW and/or a violation of the prohibited discharge standards in Section 13.12.400. A slug discharge is any discharge of a non-routine, episodic nature, including but not limited to an accidental spill or non-customary batch discharge, which has a reasonable potential to cause interference or pass through, or in any other way violate the POTW’s regulations, local limits or permit conditions.
  105. Solid Wastes. Any trash, ashes, rags, bottles, tin cans, tree limbs, manure of domestic animals, offal, dead animals or portions thereof, foodstuffs, and wastes thereof other than normally contained in sanitary sewage and any and all other solid objects, materials, refuse or debris. The term ashes shall include the residuum resulting from the combustion of coal, coke, wood or any other material or substance and shall include soot, cinders, slag, and charcoal.
  106. Standard Industrial Classification (SIC) Code. A classification pursuant to the Standard Industrial Classification Manual issued by the United States Office of Management and Budget.
  107. Storm Sewer. A sewer that carries rain water, snowmelt and surface drainage but excludes sewage and industrial wastes other than unpolluted cooling water.
  108. Storm Water. Any flow occurring during or following any form of natural precipitation, and resulting from such precipitation, including snowmelt.
  109. Sump Pump. Any electrical and/or mechanical device designed to raise water from a lower level to a higher level and is designed to remove collected storm water from a pit to a storm sewer or other approved point of discharge.
  110. SWDA. The Solid Waste Disposal Act, 42 U.S.C. §6901 et seq.
  111. Total Suspended Solids. The total suspended matter that either floats on the surface of, or is in suspension in, water, sewage, or other liquids, and which is removable by laboratory filtering, under standard laboratory procedures approved in 40 CFR Part 136.
  112. Toxic Pollutants. Any pollutant or combination of pollutants listed in regulations promulgated by the Administrator under provision of the Act.
  113. Unpolluted Water. Water of quality equal to or better than effluent criteria in effect, or water that would not cause violation of receiving water quality standards and would not be benefited by discharge to the sanitary sewers and wastewater treatment facilities provided.
  114. Upset. An exceptional incident in which there is unintentional and temporary noncompliance with pretreatment standards because of factors beyond the reasonable control of the industrial user.  An upset does not include noncompliance to the extent cause by operational error, improperly designed treatment facilities, inadequate treatment facilities, lack of preventive maintenance, or careless or improper operation.
  115. User. A source of indirect discharge. It also includes such persons or sources that are prohibited from discharging specific pollutants or waste streams to the POTW.
  116. User Severe Property Damage. Substantial physical damage to property, damage to the treatment facilities which causes them to become inoperable, or substantial and permanent loss of natural resources which can reasonably be expected to occur in the absence of a bypass. Severe property damage does not mean economic loss caused by delays in production.
  117. Wastewater. Any combination of 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.
  118. Wastewater Discharge Permit. The document or documents issued to a user by the Director of Public Works or designee pursuant to Sections 13.12.565 through 13.12.591.
  119. Watercourse. A channel in which a flow of water occurs, either continuously or intermittently.
  120. Water Quality Standards. Those standards defined in the Water Pollution Regulations of Illinois, Title 25, Subtitle C, Chapter I.
  121. Waters of the State of Illinois. All streams, lakes, ponds, marshes, water courses, waterways, wells, springs, reservoirs, aquifers, irrigation systems, drainage systems and all other bodies or accumulations of water, surface or underground, natural or artificial, public or private, which are contained within, flow through, or border upon the State of Illinois or any portion thereof.
  122. Work Day. A day on which work or service is performed by an industry.
  123. Utility Services. Electric, water, sewer, yard waste, and refuse services that are provided by the City or its designated provider.
(2022-M-43: § 1; 2010-M-9: § 1)