Unless a provision explicitly states otherwise, the following terms and phrases, as used in this chapter, shall have the meanings hereinafter designated.
"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.
"AMMONIA" (or NH3N)." Ammonia measured as Nitrogen. The laboratory determinations shall be made in accordance with procedures set forth in the latest edition of "Standard Methods."
"APPLICABLE PRETREATMENT STANDARD." Any pretreatment limit or prohibitive standard (federal, state and/or local) contained in the chapter and considered to be most restrictive with which non-domestic users will be required to comply.
"APPROVAL AUTHORITY." The Indiana Department of Environmental Management (IDEM) or the United States Environmental Protection Agency (USEPA), Region V.
"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, 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 the environmental laws and regulations; can ensure that the necessary systems are established or actions taken to gather complete and accurate information for wastewater discharge 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 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 subsection (1) through (3) of this definition 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 the city.
"AVERAGE MONTHLY DISCHARGE LIMITATION." The highest allowable average of "daily discharges" over a calendar month, calculated as the sum of all daily discharges measured during a calendar month divided by the number of daily discharges measured during that month.
"AVERAGE WEEKLY DISCHARGE LIMITATION." The highest allowable average of "daily discharges" over a calendar week, calculated as the sum of all daily discharges, measured during a calendar week divided by the number of daily discharges measured during that week.
"BENEFICIAL USES." These uses include, but are not limited to, domestic, municipal, agricultural and industrial use, power generation, recreation, aesthetic enjoyment, navigation, and the preservation and enhancement of fish, wildlife and other aquatic resources or reserves, and other aquatic resources, both tangible or intangible, as specified by state or federal law.
"BEST MANAGEMENT PRACTICES." The schedule of activities, prohibitions of practices, maintenance procedures, and other management practices to implement the prohibitions listed in § 50.007(A) and (B) (40 CFR 403.5(a)(1) and (b)). BMPs include treatment requirements, operating procedures, and practices to control plant site runoff, spillage or leaks, sludge or waste disposal, or drainage from raw materials storage.
"BIOCHEMICAL OXYGEN DEMAND" or "BOD." The quantity of oxygen utilized in the biochemical oxidation of organic matter under standard laboratory procedures for five days at 20° C, usually expressed as a concentration (e.g., mg/l). Determinations shall be made in accordance with procedures set forth in "Standard Methods."
"BOARD." The Board of Public Works and Safety of the City of Greensburg, Indiana, or any duly authorized officials or boards acting in its behalf.
"BUILDING (or HOUSE) DRAIN." The lowest horizontal piping of a building drainage system which receives the discharge from waste, and other drainage pipes inside the walls of the building and conveys it to a point approximately five feet outside the foundation wall of the building.
"BUILDING DRAIN or BUILDING SEWER - SANITARY." A building drain or sewer which conveys sanitary or industrial sewage only.
"BUILDING DRAIN or BUILDING SEWER - STORM." A building drain or sewer which conveys stormwater or other clean water drainage, but no wastewater.
"BUILDING (or HOUSE) LATERAL SEWER." The extension from the building drain to the sewerage system or other place of disposal. (Also called house connections).
"CARBONACEOUS BIOCHEMICAL OXYGEN DEMAND" or "CBOD." The quantity of oxygen utilized in the biochemical oxidation of carbonaceous organic matter under standard laboratory procedures for five days at 20° C, usually expressed as a concentration (e.g. mg/l). Determination shall be made in accordance with procedures set forth in "Standard Methods."
"CATEGORICAL PRETREATMENT STANDARD or CATEGORICAL STANDARD." Any regulation containing pollutant discharge limits promulgated by EPA in accordance with Section 307(b) and (c) of the Clean Water Act which apply to a specific category of users and which appear in 40 CFR Chapter I, Subchapter N, Parts 405-471.
"CHEMICAL OXYGEN DEMAND" or "COD." A measure of the oxygen equivalent of that portion of organic matter in a sample that is susceptible to oxidation by a strong chemical oxidant. The laboratory determination shall be made in accordance with procedures set forth in "Standard Methods."
"CITY." The City of Greensburg, Indiana or any duly authorized officials acting in its behalf.
"COMBINED SEWER." A sewer intended to receive both wastewater and storm or surface water.
"COMPATIBLE POLLUTANT." Any biochemical oxygen demand, suspended solids, pH and fecal coliform bacteria, plus additional pollutants identified in the NPDES Permit if the POTW was designed to treat such pollutants and in fact does remove such pollutants to a substantial degree. The term substantial degree is not subject to precise definition, but generally contemplates removals in the order of 80% or greater. Minor incidental removals in the order of 10 to 30% are not considered substantial. Examples of the additional pollutants which may be considered compatible include: (A) chemical oxygen demand, (B) total organic carbon, (C) phosphorus and phosphorus compounds, (D) nitrogen and nitrogen compounds, and (E) fats, oils, and greases of animal or vegetable origin (except as prohibited where these materials would interfere with the operation of the treatment works).
"COMPOSITE SAMPLE." The sample resulting from the combination of individual samples taken at selected intervals based on flow proportional composite sample collection techniques. Composite wastewater samples should contain a minimum of eight discrete samples taken proportional to the flow rate over the compositing period. In the event flow proportional sampling is infeasible, the Superintendent may authorize the use of time proportional sampling or a minimum of four grab samples where the user demonstrates that this will provide a representative sample of the effluent being discharged. In addition, grab samples may be required to show compliance with instantaneous discharge limits.
"DAILY DISCHARGE." Discharge of a pollutant "measured during a calendar day or any 24-hour period that reasonably represents the calendar day for purposes of sampling."
"DEBT SERVICE COSTS." The average annual principal and interest payments on all revenue bonds or other long-term capital debt.
"EASEMENT." An acquired legal right for the specific use of land owned by others.
"EFFLUENT." The water, together with any wastes that may be present, flowing out of a drain, sewer, receptacle or outlet.
"ENVIRONMENTAL PROTECTION AGENCY" or "EPA." The U.S. Environmental Protection Agency, or where appropriate the term may also be used as a designation for the administrator or other duly authorized official of the agency.
"EXCESSIVE STRENGTH SURCHARGE." An additional charge which is billed to users for treating sewage wastes with an average strength in excess of "normal domestic sewage."
"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 Section 307 of the Act.
"FECAL COLIFORM." Any of a number of organisms common to the intestinal tract of man and animals, whose presence in water and sanitary sewage is an indicator of pollution.
"FLOATABLE OIL." Oil, fat, or grease in a physical state, such that will separate by gravity from wastewater during treatment in a pretreatment facility approved by the city.
"GARBAGE." Any solid wastes from the preparation, cooking or dispensing of food and from handling, storage or sale of produce.
"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.
"INCOMPATIBLE POLLUTANT." Any pollutant that is not defined as a compatible pollutant, including nonbiodegradable dissolved solids, as further defined in Regulation 40 CFR Part 403.
"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.
"INDUSTRIAL WASTES." Any solid, liquid or gaseous substances or form of energy discharged, permitted to flow or escape from an industrial, manufacturing, commercial or business process or from the development, recovery or processing of any natural resource carried on by a person and shall further mean any waste from an industrial sewer. Industrial wastes are distinct from employee wastes or wastes from sanitary conveniences.
"INFILTRATION." The water entering a sewer system, including building drains and sewers, from the ground, through such means as, but not limited to, defective pipes, pipe joints, connections or manhole walls. (Infiltration does not include and is distinguished from inflow.)
"INFILTRATION/INFLOW." The total quantity of water from both infiltration and inflow without distinguishing the source.
"INFLOW." The water discharged into a sewer system, including building drains and sewers, from such sources as, but not limited to, roof leader, cellar, yard and area drains, foundation drains, unpolluted cooling water discharges, drains from springs and swampy areas, manhole covers, cross connections from storm sewers and combined sewers, catch basins, stormwater, surface runoff, street wash waters or drainage. Inflow does not include, and is distinguishable from infiltration.
"INFLUENT." The water, together with any wastes that may be present flowing into a drain, sewer, receptacle, or outlet.
"INSPECTOR." The person or persons duly authorized by the city through its Board of Public Works and Safety to inspect and approve the installation of building sewers and their connection to the public sewer system.
"INSTANTANEOUS MAXIMUM ALLOWABLE DISCHARGE 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.
"INTERFERENCE." A discharge that, alone or in conjunction with a discharge or discharges from other sources, does one of the following: (1) inhibits or disrupts the POTW, its treatment processes or operations, its sludge processes, or its selected sludge use or disposal methods; (2) causes a violation of any requirement of the POTW’S NPDES permit, including an increase in the magnitude or duration of a violation; or (3) prevents the use of the POTW’s sewage sludge use or its sludge disposal method selected in compliance with the following statutory provisions, regulations, or permits issued thereunder, or any more stringent state or local regulations: (A) Section 405 of the Clean Water Act (33 U.S.C. 1345); (B) the Solid Waste Disposal Act (SWDA) (42 U.S.C. 6901), including (I) Title II, more commonly referred to as the Resource Conservation and Recovery Act (RCRA); and (III) the rules contained in any state sludge management plan prepared pursuant to Subtitle D of the Solid Waste Disposal Act (SWDA) (42 U.S.C. 6901); (C) the Clean Air Act; 42 U.S.C. 7401); and (D) the Toxic Substances Control Act (15 U.S.C. 2601.
"MAXIMUM DAILY DISCHARGE LIMITATIONS." Highest allowable "daily discharge."
"MAY." Indicates a discretionary condition.
"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.
"NPDES PERMIT." National Pollutant Discharge Elimination System Permit setting forth conditions for the discharge of any pollutant or combination of pollutants to the navigable waters of the United States pursuant to Section 402 of Public Law 95-217.
"NATURAL OUTLET." Any outlet, including storm sewers and combined sewer overflows, into a watercourse, pond, ditch, lake or other body of surface or ground water.
"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 Section 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; or
(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 subsection (1)(b) or (c) of this definition but otherwise alters, replaces, or adds to existing process or production equipment.
(3) Construction of a new source as defined under this definition has commenced if the owner or operator has:
(a) Begun, or caused 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 is necessary for the placement, assembly, or installation of new source facilities or equipment; or
(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 definition.
"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.
"NORMAL DOMESTIC SEWAGE." For the purpose of determining surcharges shall mean wastewater or sewage having an average daily concentration as follows:
TSS not more than 200 mg/l
CBOD not more than 200 mg/l
Total Kjeldahl Nitrogen (TKN) not more than 30 mg/l
As defined by origin, wastewaters from segregated domestic and/or sanitary conveniences are distinct from industrial processes.
"OPERATION AND MAINTENANCE COSTS." All costs, direct and indirect, necessary to provide adequate wastewater collection, transport and treatment on a continuing basis and produce discharges to receiving waters that conform with all related federal, state and local requirements. These costs include replacement costs.
"OTHER SERVICE CHARGES." Tap charges, connection charges, area charges, and other identifiable charges other than excessive strength surcharges.
"OUTLET." Any discharge natural or constructed, which is the point of final discharge of sewage or of treatment plant effluent into any watercourse, pond, ditch, lake or other body of surface or ground water.
"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 city's NPDES permit, including an increase in the magnitude or duration of a violation.
"PERSON." Any and all persons, natural or artificial, including any individual, firm, company, municipal or private corporation, partnership, copartnership, join stock company, trust estate, association, society, institution, enterprise, governmental agency, the state, the United States of America, or other legal entity, or the legal representatives, agent, or assigns. The masculine gender shall include the feminine and the singular shall include the plural where located by the text.
"pH." A measure of the acidity or alkalinity of a solution, expressed in standard units. Determinations shall be made in accordance with procedures set forth in the latest edition of "Standard Methods."
"PHOSPHORUS or P." The chemical element phosphorus, total. The laboratory determinations shall be made in accordance with procedures set forth in the latest edition of "Standard Methods."
"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).
"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." Pretreatment standards shall mean prohibited discharge standards, categorical pretreatment standards, and local limits.
"PRIMARY SEWER MAIN." The public sewer main which is required to transport sewage from the property line of the nearest prospective customer to the proposed point of connection at the Sewage Works' existing sewer main.
"PRIVATE SEWER." A sewer which is not owned by the public authority.
"PROHIBITED DISCHARGE STANDARDS or PROHIBITED DISCHARGES. Absolute prohibitions against the discharge of certain substances.
"PROPERLY SHREDDED GARBAGE." The wastes from the preparation, cooking and dispensing of food that has 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 in any dimension.
"PUBLIC SEWER." A sewer which is owned and controlled by the city and will consist of the following increments:
"COLLECTOR SEWER." A sewer whose primary purpose is to collect wastewaters from individual point source discharges.
"INTERCEPTOR SEWER." A sewer whose primary purpose is to transport wastewater from collector sewers to a treatment facility.
"FORCE MAIN" shall mean a pipe in which wastewater is carried under pressure.
"PUMPING STATION" shall mean a station positioned in the public sewer system at which wastewater is pumped to a higher level.
"RECEIVING STREAM." The watercourse, stream, or body of water receiving the waters finally discharged from the wastewater treatment plant.
"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 treatment plant.
"REPLACEMENT COSTS." The expenditures for obtaining and installing equipment, accessories or appurtenances which are necessary during the useful life of the treatment works to maintain the capacity and performance for which such works were designed and constructed.
"SANITARY SEWER." A sewer which carries sanitary and industrial wastes, and to which storm, surface and ground water are not intentionally admitted.
"SEPTIC TANK WASTE or SEPTAGE." Any sewage from holding tanks such as vessels, chemical toilets, campers, trailers, and septic tanks.
"SERVICE CHARGE." The basic charge levied on all users of the public sewerage system for wastes which do not exceed in strength the concentration values above on which a surcharge will be made.
"SEWAGE." The combination of the liquid and water-carried wastes from residences, commercial buildings, industrial plants and institutions (including polluted cooling water). The three types of sewage are:
"SANITARY SEWAGE" shall mean the combination of liquid and water-carried wastes discharged from toilet and other sanitary pumping facilities.
"INDUSTRIAL SEWAGE." A combination of liquid and water- carried wastes, discharged from any industrial establishment, and resulting from any trade or process carried on in that establishment (this shall include the wastes from pretreatment facilities and polluted cooling water).
"COMBINED SEWAGE." Wastes including sanitary sewage, industrial sewage, stormwater, infiltration and inflow carried to the wastewater treatment facilities by a combined sewer.
"SEWAGE TREATMENT PLANT." The arrangement of devices, structures and equipment used for treating and disposing of sewage and sludge.
"SEWAGE WORKS." The structures, equipment and processes to collect, transport and treat domestic and industrial wastes and dispose of the effluent and accumulated residual solids.
"SEWER." A pipe or conduit for carrying sewage or other waste liquids.
"PRIVATE SEWER." A sewer which is not owned by a public authority.
"PUBLIC SEWER." A primary sewer or secondary sewer in which all owners of abutting property have equal rights and which is controlled by the Sewage Works.
"SANITARY SEWER." A sewer which carries sewage and to which storm, surface, ground waters, and unpolluted industrial wastewaters are not intentionally admitted.
"STORM SEWER." A sewer which carries storm and surface water drainage but excludes sewage.
“SEWER CONNECTION FEE.” A fee levied for making a connection to the sewer system.
"SHALL" is mandatory; "MAY" is permissive.
"SIGNIFICANT INDUSTRIAL USER."
(1) A user subject to categorical pretreatment standards; or
(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 city on the basis that it has a reasonable potential for adversely affecting the POTW's operation or for violating any pretreatment standard or requirement. As defined in federal regulations 40 CFR 403.6.
(3) Upon a finding that a user meeting the criteria in subsection (2) of this definition 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 CFR 403.8(f)(6), determine that such user should not be considered a significant industrial user.
"SLUDGE." Any solid, semi-solid or liquid waste generated from a municipal, commercial, or industrial wastewater treatment plant, water supply treatment plant, or air pollution control facility or any other waste having similar characteristics and effects as deemed in standards issued under Sections 402 and 405 of the Act and in the applicable requirements under Sections 3001, 3004, and 4004 of the Solid Waste Disposal Act PL 94-580.
"SLUG." Any discharge of water or wastewater which in concentration of any given constituent or in quantity of flow exceeds for any period of duration longer than five minutes more than five times the average 24 hour concentration of flow during normal operation and which adversely affects the sewage works.
"SLUG LOAD OR SLUG DISCHARGE." Any discharge at a flow rate or concentration, which could cause a violation of the prohibited discharge standards in § 50.007. A "SLUG DISCHARGE" is any discharge of a non-routine, episodic nature, including but not limited to an accidental spill or a 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.
"STANDARD INDUSTRIAL CLASSIFICATION (SIC) CODE." A classification pursuant to the Standard Industrial Classification Model issued by the United States Office of Management and Budget.
"STANDARD METHODS." The laboratory procedures set forth in the latest edition, at the time of analysis, of "Standard Methods for the Examination of Water and Wastewater" prepared and published jointly by the American Public Health Association, the American Water Works Association and the Water Environment Federation.
"STORM SEWER." A sewer for conveying water, ground water or unpolluted water from any source and to which sanitary and/or industrial wastes are not intentionally admitted.
"STORMWATER." Any flow occurring during or following any form of natural precipitation, and resulting from such precipitation, including snowmelt.
"SUPERINTENDENT." The person designated by the city to supervise the operation of the POTW, and who is charged with certain duties and responsibilities by this chapter, or duly authorized representative.
"SURCHARGE." The extra charges for sewerage service assessed customers whose sewage is of such a nature that it imposes upon the sewage works a burden greater than that covered by the basic service charge.
"SUSPENDED SOLIDS or TSS." The total weight of solids which either float on the surface of or are in suspension in water, sewage or other liquid and which are removable by laboratory filtration. Their concentration shall be expressed in milligrams per liter. Quantitative determination shall be made in accordance with procedures set forth in "Standard Methods."
"TOTAL REVENUE." That revenue obtained from monthly minimum billing for the use of and service rendered by the sewage works and does not include front footage assessments, permit or inspection fees or other charges.
"TOTAL SOLIDS." The sum of suspended and dissolved solids.
"TOXIC AMOUNT." Concentrations of any pollutant or combination of pollutants which upon exposure to or assimilation into any organism will cause adverse effects, such as cancer, genetic mutations and physiological manifestations, as defined in standards issued pursuant to Section 307(a) of the Act.
"TOXIC POLLUTANT." Those substances referred to in Section 307(a) of the Act, as well as any other known potential substance capable of producing toxic effects.
"UNPOLLUTED WATER." Water of quality equal to or better than the effluent criteria in effect, or water that would not cause violation of receiving water quality standards and would not be benefitted by discharge to the sanitary sewers and wastewater treatment facilities provided.
"UPSET." An exceptional incident in which a discharger unintentionally and temporarily is in a state of non-compliance with the applicable standards due to factors beyond the reasonable control of the discharger, and excluding noncompliance to the extent caused by operational error, improperly designed treatment facilities, inadequate treatment facilities, lack of preventative maintenance, or careless or improper operation of the facilities.
"USER." Any source of indirect discharge which causes, or permits the entry of wastewater into the POTW.
"USER CHARGE." A charge levied on users of the wastewater treatment works for the cost of operation and maintenance of such works pursuant to Section 204 (b) of Public Law 92-500.
"USER CLASS." The division of wastewater treatment customers by source, function, waste characteristics, and process or discharge similarities, (i.e. residential, commercial, industrial, institutional, and governmental in the User Charge System.)
"RESIDENTIAL USER." A user of the treatment works whose premises or building is used primarily as a residence for one or more persons, including all dwelling unit, and the like.
"COMMERCIAL USER." Any establishment involved in a commercial enterprise, business or service which based on a determination by the city discharges primarily segregated domestic wastes or wastes from sanitary conveniences.
"INSTITUTIONAL USER." Any establishment involved in social, charitable, religious, and/or educational function which, based on a determination by the city discharges primarily segregated domestic wastes or wastes from sanitary conveniences.
"GOVERNMENTAL USER." Any federal, state or local governmental user of the wastewater treatment works.
"INDUSTRIAL USER." Any manufacturing or processing facility that discharges industrial waste to a wastewater treatment works.
"VOLATILE ORGANIC MATTER." The material in the sewage solids transformed to gases or vapors when heated to 550° C for 15 to 20 minutes.
"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 CONSTITUENTS and CHARACTERISTICS." The individual chemical, physical, bacteriological, and radiological parameters, including volume, flow rate, and other parameters that serve to define, classify, or measure the contents, quality, quantity, and strength of wastewater.
"WASTEWATER TREATMENT PLANT or TREATMENT PLANT." That portion of the POTW which is designed to provide treatment of municipal sewage and industrial waste.
"WATERCOURSE." A natural or artificial channel in which a flow of water occurs continuously or intermittently.
(Ord. 1995-3, passed 5-1-95; Am. Ord. 1997-15, passed 9-2-97; Am. Ord. 2010-16, passed 2-7-11; Am. Ord. 2012, passed 9-4-12)