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(A) No person shall discharge, or cause to be discharged, any storm water, surface water, ground water, roof runoff, subsurface drainage, uncontaminated cooling water, or unpolluted industrial process waters to any sanitary sewer.
(B) Storm water and all other unpolluted drainage shall be discharged to such sewers as are specifically designated as combined sewers or storm sewers, or to a natural outlet approved by the commissioner of public property. Industrial cooling water of unpolluted process waters may be discharged, on approval of the commissioner of public property, to a storm sewer, combined sewer, or natural outlet.
(C) No person shall discharge or cause to be discharged any of the following described waters or wastes to any public sewers:
1. Any gasoline, benzene, naphtha, fuel oil, or other flammable or explosive liquid, solid, or gas.
2. Any waters or wastes containing toxic or poisonous solids, liquids, or gases in sufficient quantity, either singly or by interaction with other wastes, to injure or interfere with any sewage treatment process, constitute a hazard to humans or animals, create a public nuisance, or create any hazard in the receiving waters of the sewage treatment plant.
3. Any waters or wastes having a pH lower than five and five-tenths (5.5) or having any other corrosive property capable of causing damage or hazard to structures, equipment, and personnel of the sewage works.
4. Solid or viscous substances in quantities or of such size capable of causing obstruction to the flow in sewers, or other interference with the proper operation of the sewage works such as, but not limited to, ashes, cinders, sand, mud, straw, shavings, metal, glass, rags, feathers, tar, plastics, wood, unground garbage, whole blood, paunch manure, hair and fleshings, entrails and paper dishes, cups, milk containers, etc., either whole or ground by garbage grinders.
(D) No industrial user may discharge sewage into any public sewer until the city has adopted an industrial cost recovery system which:
1. Meets the requirements of section 204(b)(1)(B) of the federal water pollution control act amendments of 1972 105 and applicable federal regulations; and
2. Has been approved by the agency in accordance with the conditions of any grant made to the city by the United States environmental protection agency or of the state of Illinois for the construction of any part of the sewer system or sewage treatment works of the city.
(E) No person shall discharge or cause to be discharged the following described substances, materials, waters, or wastes if it appears likely in the opinion of the commissioner of public property that such wastes can harm either the sewers, sewage treatment process or equipment; have an adverse effect on the receiving stream; or can otherwise endanger life, limb, public property, or constitute a nuisance. In forming his opinion as to the acceptability of these wastes, the commissioner of public property will give consideration to such factors as the quantities of subject wastes in relation to flows and velocities in the sewers, materials of construction of the sewers, nature of the sewage treatment process, capacity of the sewage treatment plant, degree of treatability of wastes in the sewage treatment plant, and maximum limits established by regulatory agencies. The substances prohibited are:
1. Any liquid or vapor having a temperature higher than one hundred fifty degrees Fahrenheit (150°F) (65°C).
2. Any waters or wastes containing toxic or poisonous materials; or oils, whether emulsified or not, in excess of one hundred milligrams per liter (100 mg/l) or containing substances which may solidify or become viscous at temperatures between thirty two degrees (32°) and one hundred fifty degrees Fahrenheit (150°F) (0 and 65°C).
3. Any garbage that has not been properly shredded. The installation and operation of any garbage grinder equipped with a motor of three-fourths (3/4) horsepower (0.76 hp metric) or greater shall be subject to the review and approval of the commissioner of public property.
4. Any waters or wastes containing strong acid, iron pickling wastes, or concentrated plating solutions whether neutralized or not.
5. Any waters or wastes containing iron, chromium, copper, zinc, or similar objectionable or toxic substances; or wastes exerting an excessive chlorine requirement, to such degree that any such material received in the composite sewage at the sewage treatment works exceeds the limits established by the commissioner of public property for such materials.
6. Any waters or wastes containing phenols or other taste or odor producing substances, in such concentrations exceeding limits which may be established by the commissioner of public property as necessary after treatment of the composite sewage, to meet the requirements of the state, federal or other public agencies of jurisdiction for such discharge to the receiving waters.
7. Any radioactive wastes or isotopes of such half life or concentration as may exceed limits established by the commissioner of public property in compliance with applicable state or federal regulations.
8. Any waters or wastes having a pH in excess of nine and five-tenths (9.5).
9. Any mercury or any of its compounds in excess of 0.0005 milligrams per liter as Hg at any time except as permitted by the commissioner of public property in compliance with applicable state and federal regulations.
10. Any cyanide in excess of 0.025 milligrams per liter at any time except as permitted by the commissioner of public property in compliance with applicable state and federal regulations.
11. Materials which exert or cause:
(a) Unusual concentrations of inert suspended solids (such as, but not limited to, fuller's earth, lime slurries, and lime residues) of dissolved solids (such as, but not limited to, sodium chloride and sodium sulfate);
(b) Excessive discoloration (such as, but not limited to, dye wastes and vegetable tanning solutions);
(c) Unusual BOD, chemical oxygen demand, or chlorine requirements in such quantities as to constitute a significant load on the sewage treatment works;
(d) Unusual volume of flow or concentrations of wastes constituting "slugs" as defined herein.
12. Waters or wastes containing substances which are not amenable to treatment or reduction by the sewage treatment processes employed, or are amenable to treatment only to such degree that the sewage treatment plant effluent cannot meet the requirements of agencies having jurisdiction over discharge to the receiving waters. (Ord. 77-336, 2-7-1977)
13. No person, firm or corporation shall discharge any sanitary or industrial solids or liquids, required by the statutes of the state of Illinois, or any law or regulation in force in the state of Illinois with respect to sanitary or industrial wastes and the discharge thereof, into any storm sewer or storm drain located within the city limits of the city of Flora, Illinois. (Ord. 78-380, 2-6-1978)
(F) If any waters or wastes are discharged or are proposed to be discharged to the public sewers, which waters contain the substances or possess the characteristics enumerated in subsection (E) of this section, and/or which are in violation of the standards for pretreatment provided in chapter 1, EPA rules and regulations, subchapter D, water programs part 138 - pretreatment standards, federal register volume 38, no. 215, Thursday, November 8, 1973, and any amendments thereto, and which in the judgment of the commissioner of public property may have a deleterious effect upon the sewage works, processes, equipment, or receiving waters, or which otherwise create a hazard to life or constitute a public nuisance, the commissioner of public property may:
1. Reject the wastes;
2. Require pretreatment to an acceptable condition for discharge to the public sewers;
3. Require control over the quantities and rates of discharge; and/or
4. Require payment to cover the added costs of handling and treating the wastes not covered by existing taxes or sewer charges, under the provisions of subsection (L) of this section.
If the commissioner of public property permits the pretreatment or equalization of waste flows, the design and installation of the plants and equipment shall be subject to the review and approval of the commissioner of public property or such other person, official or employee designated by the city council, and subject to the requirements of all applicable codes, ordinances and laws.
(G) Grease, oil and sand interceptors shall be provided when, in the opinion of the commissioner of public property, they are necessary for the proper handling of liquid wastes containing grease in excessive amounts, or any flammable wastes, sand or other harmful ingredients; except that such interceptors shall not be required for private living quarters or dwelling units. All interceptors shall be of a type and capacity approved by the commissioner of public property, and shall be located as to be readily and easily accessible for cleaning and inspection.
(H) Where preliminary treatment or flow equalizing facilities are provided, they shall be maintained continuously in satisfactory and effective operation by the owner at his expense.
(I) Each industry shall be required to install a control manhole and, when required by the commissioner of public property or such other person, official or employee designated by the city council, the owner of any property serviced by a building sewer carrying industrial wastes shall install a suitable control manhole together with such necessary meters and other appurtenances in the building sewer to facilitate observation, sampling, and measurement of the wastes. Such manhole, when required, shall be accessibly and safely located, and shall be constructed in accordance with plans approved by the commissioner of public property or such other person, official or employee designated by the city council. The manhole shall be installed by the owner at his expense, and shall be maintained by him so as to be safe and accessible at all times.
(J) The owner of any property serviced by a building sewer carrying industrial wastes shall provide laboratory measurements, tests, and analyses of waters and wastes to illustrate compliance with this chapter and any special conditions for discharge established by the city or regulatory agencies having jurisdiction over the discharge. The number, type, and frequency of laboratory analyses to be performed by the owner shall be as stipulated by the city, but no less than once per year the industry must supply a complete analysis of the constituents of the wastewater discharge to assure that compliance with the federal, state, and local standards are being met. The owner shall report the results of measurements and laboratory analyses to the city at such times and in such manner as prescribed by the city. The owner shall bear the expense of all measurements, analyses, and reporting required by the city. At such times as deemed necessary, the city reserves the right to take measurements and samples for analysis by an outside laboratory service.
(K) All measurements, tests, and analyses of the characteristics of waters and wastes to which reference is made in this chapter shall be determined in accordance with the latest edition of "Standard Methods for the Examination of Water and Wastewater", published by the American public health association, and shall be determined at the control manhole provided, or upon suitable samples taken at said control manhole. In the event that no special manhole has been required, the control manhole shall be considered to be the nearest downstream manhole in the public sewer to the point at which the building sewer is connected. Sampling shall be carried out by customarily accepted methods to reflect the effect of constituents upon the sewage works and to determine the existence of hazards to life, limb, and property. (The particular analyses involved will determine whether a 24 hour composite of all outfalls of a premises is appropriate or whether a grab sample or samples should be taken. Normally, but not always, BOD and suspended solids analyses are obtained from 24 hour composites of all outfalls, whereas pHs are determined from periodic grab samples.)
(L) No statement contained in this section shall be construed as preventing any special agreement or arrangement between the city and any industrial concern whereby an industrial waste of unusual strength or character may be accepted by the city for treatment, subject to payment therefor, in accordance with section 7-4-9 of this chapter, by the industrial concern, provided such payments are in accordance with federal and state guidelines for user charge system and industrial cost recovery system. (Ord. 77-336, 2-7-1977)
Notes
| 105 | See section 7-4-13 of this chapter. |
No unauthorized person shall maliciously, wilfully, or negligently break, damage, destroy, or tamper with any structure, appurtenance, or equipment which is a part of the sewage works. Any person violating this provision shall be subject to immediate arrest under charge of disorderly conduct. (Ord. 77-336, 2-7-1977)
(A) The commissioner of public property and any other person, official or employee designated by the city council, the Illinois environmental protection agency, and the U.S. environmental protection agency, bearing proper credentials and identification, shall be permitted to enter all properties for the purposes of inspection, observation, measurement, sampling, and testing in accordance with the provisions of this chapter. The commissioner of public property and any other person, official or employee designated by the city council, shall have no authority to inquire into any processes, including metalurgical, chemical, oil refining, ceramic, paper, or other industries beyond that point having a direct bearing on the kind and source of discharge to the sewers or waterway or facilities for waste treatment.
(B) While performing the necessary work on private properties referred to in subsection (A) of this section, the commissioner of public property or any other person, official or employee designated by the city council, the Illinois environmental protection agency, and the U.S. environmental protection agency shall observe all safety rules applicable to the premises established by the company and the company shall be held harmless for injury or death to the city employees and the city shall indemnify the company against loss or damage to its property by city employees and against liability claims and demands for personal injury or property damage asserted against the company and growing out of the gauging and sampling operation, except as such may be caused by negligence or failure of the company to maintain safe conditions as required in subsection 7-4-6(I) of this chapter.
(C) The commissioner of public property and any other person, official or employee designated by the city council bearing proper credentials and identification shall be permitted to enter all private properties through which the city holds a duly negotiated easement for the purposes of, but not limited to, inspection, observation, measurement, sampling, repair, and maintenance of any portion of the sewage works lying within said easement. All entry and subsequent work, if any, on said easement, shall be done in full accordance with the terms of the duly negotiated easement pertaining to the private property involved. (Ord. 77-336, 2-7-1977)
The debt service charge shall be computed by dividing the annual debt service of all outstanding bonds and interest by the number of users. Through further divisions, the monthly and quarterly debt service charges can be computed.
The basic user charge shall be based on water usage as recorded by water meters and/or sewage meters for wastes having the following normal concentrations:
1. A five (5) day 20-degree centigrade (20°C) biochemical oxygen demand (BOD) of two hundred milligrams per liter (200 mg/l).
2. A suspended solids (SS) content of two hundred fifty milligrams per liter (250 mg/l).
It shall consist of operation and maintenance costs plus replacement and shall be computed as follows:
1. Estimate the projected annual revenue required to operate and maintain the wastewater facilities including a replacement fund for the year, for all works categories.
2. Proportion the estimated costs to wastewater facility categories by volume, suspended solids and BOD, if possible.
3. Estimate wastewater volume, pounds of SS and pounds of BOD to be treated.
4. Proportion the estimated costs to nonindustrial and industrial users by volume, suspended solids and BOD.
5. Compute costs per one thousand (1,000) gallons for normal sewage strength.
6. Compute surcharge costs per one thousand (1,000) gallons per milligrams per liter in excess of normal sewage strength for BOD and SS.
A surcharge will be levied to all users whose waters exceed the normal concentrations for BOD (200 mg/l) and SS (250 mg/l). The surcharge will be based on water usage as recorded by water meters and/or sewage meters for all wastes which exceed the two hundred seventy milligrams per liter (270 mg/l) and three hundred milligrams per liter (300 mg/l) concentration for BOD and SS respectively. Subsection (F) of this section specifies the procedure to compute a surcharge.
The adequacy of the wastewater service charge shall be reviewed annually by certified public accountants for the city in their annual audit report. The wastewater service charge shall be revised periodically to reflect a change in debt service or a change in operation and maintenance costs including replacement costs.
(B) Measurement Of Flow: The volume of flow used for computing basic user charges and surcharges shall be the metered water consumption read to the lowest even increments of one hundred (100) gallons.
1. If the person discharging wastes into the public sewers procures any part, or all, of his water from sources other than the public waterworks system, all or a part of which is discharged into the public sewers, the person shall install and maintain, at his expense, water meters of a type approved by the commissioner of public property for the purpose of determining the volume of water obtained from these other sources.
2. Devices for measuring the volume of waste discharged may be required by the commissioner of public property if these volumes cannot otherwise be determined from the metered water consumption records.
3. Metering devices for determining by volume of waste shall be installed, owned, and maintained by the person. Following approval and installation, such meters may not be removed, unless service is canceled, without the consent of the commissioner of public property.
(C) Debt Service Charge: A debt service charge of eighty six cents ($0.86) per month to each user of the wastewater facility of the city is hereby established.
(D) Basic User Rate: There shall be and there is hereby established a minimum charge and a basic user rate for the use of and for service supplied by the wastewater facilities of the city. A minimum charge of one dollar eighty cents ($1.80) per month shall be applied to all users whose water consumption does not exceed one thousand (1,000) gallons per month, which amount includes the debt service charge.
A basic user rate of ninety four cents ($0.94) per one thousand (1,000) gallons shall be applied to all users for water consumption in excess of one thousand (1,000) gallons per month.
All nonmetered residential users of the wastewater facilities shall pay a minimum flat rate charge per quarter adequate to cover the costs of the minimum debt service charge, the minimum service charge and the basic user rate of ninety four cents ($0.94) per one thousand (1,000) gallons. The flat rate charge will allow a maximum of one thousand (1,000) gallons per month.
In the event use of the wastewater facilities is determined by the commissioner of public property to be in excess of one thousand (1,000) gallons per month, the commissioner of public property may require such flat rate user to install metering devices on the water supply or sewer main to measure the amount of service supplied.
(E) Surcharge Rate: The rates of surcharges for BOD5 and SS shall be as follows:
$0.01/lb BOD
5 over 200 mg/l - BOD5
$0.013/lb SS over 250 mg/l - SS
(F) Computation Of Surcharge: The concentration of wastes used for computing surcharges shall be established by waste sampling. Waste sampling shall be performed as often as may be deemed necessary by the commissioner of public property and shall be binding as a basis for surcharges.
CW = CD + CM + (Vu-X) CU + CS
Where CW = Amount of wastewater service charge (S) per billing period.
CD = Debt service charge as established in subsection (C) of this section.
CM = Minimum charge for operation, maintenance and replacement as established in subsection (D) of this section.
Vu = Wastewater volume for the billing period.
X = Allowable consumption in gallons for the minimum charge as established in subsection (D) of this section.
CU1 = Basic user rate for operation, maintenance and replacement as established in subsection (D) of this section.
CS = Amount of surcharge as established in subsections (E) and (F) of this section.
(Ord. 77-336, 2-7-1977)
(A) Bills: Said rates or charges for service shall be payable monthly for which bills are rendered.
The owner of the premises, the occupant thereof and the user of the service shall be jointly and severally liable to pay for the service to such premises and that the owner of the premises, occupant and user of the services are jointly and severally liable therefor to the city. Bills for sewer service shall be sent out by the city collector on the first day of the month succeeding the period for which the service is billed.
All sewer bills are due and payable ten (10) days after being sent out. A penalty of ten percent (10%) shall be added to all bills not paid by the fifteenth day after they have been rendered.
(B) Delinquent Bills: If the charges for such services are not paid within ten (10) days or twenty (20) days herein above mentioned after the rendition of the bill for such services, such services shall be discontinued without further notice and shall not be reinstated until the claims are settled.
(C) Lien; Notice Of Delinquency: Whenever a bill for sewer service remains unpaid for twenty (20) days for monthly service after it has been rendered, the city collector shall file with the county recorder of deeds a statement of lien claim. This statement shall contain the legal description of the premises served, the amount of the unpaid bill, and a notice that the city claims a lien for this amount as well as for all charges subsequent to the period covered by the bill.
If the user whose bill is unpaid is not the owner of the premises and the city collector has notice of this, notice shall be mailed to the owner of the premises if his address be known to the collector, whenever such bill remains unpaid for the period of forty five (45) days for a monthly bill after it has been rendered. The failure of the city collector to record such lien or to mail such notice or the failure of the owner to receive such notice shall not affect the right to foreclose the lien for unpaid bills as mentioned in the following subsection.
(D) Foreclosure Of Lien: Property subject to a lien for unpaid charges shall be sold for nonpayment of the same, and the proceeds of the sale shall be applied to pay the charges, after deducting costs, as is the case in the foreclosure of statutory liens. Such foreclosure shall be by bill in equity in the name of the city. The city attorney is hereby authorized and directed to institute such proceedings in the name of the city in any court having jurisdiction over such matters against any property for which the bill has remained unpaid forty five (45) days in the case of a monthly bill after it has been rendered.
(E) Revenues: All revenues and monies derived from the operation of the sewerage system shall be deposited in the water and sewerage account of the water and sewage fund. All such revenues and monies shall be held by the city collector separate and apart from his private funds and separate and apart from all other funds of the city and all of said sum, without any deductions whatever, shall be delivered to the city treasurer not more than three (3) days after request of the same, or at such more frequent intervals as may from time to time be directed by the city council.
The city treasurer shall receive all such revenues from the sewerage system and all other funds and monies incident to the operation of such system as the same may be delivered to him and deposit the same in the account of the fund designated as the water and sewage fund of the city. Said treasurer shall administer such fund in every respect in the manner provided by statute of the "Revised Cities and Villages Act", effective January 1942.
(F) Accounts: The city treasurer shall establish a proper system of accounts and shall keep proper books, records, and accounts in which complete and correct entries shall be made of all transactions relative to the sewerage system, and at regular annual intervals he shall cause to be made an audit by an independent auditing concern of the books to show the receipts and disbursements of the sewerage system.
In addition to the customary operating statements, the annual audit report shall also reflect the revenues and operating expenses of the wastewater facilities, including a replacement cost, to indicate that sewer service charges under the waste cost recovery system and capital amounts required to be recovered under the industrial cost recovery system do in fact meet these regulations. In this regard, the financial information to be shown in the audit report shall include the following:
1. Flow data showing total gallons received at the wastewater plant for the current fiscal year.
2. Billing data to show total number of gallons billed.
3. Debt service for the next succeeding fiscal year.
4. Number of users connected to the system.
5. Number of nonmetered users.
6. A list of users discharging nondomestic wastes (industrial users) and volume of waste discharged.
(G) Notice Of Rates: A copy of this section properly certified by the city clerk shall be filed in the office of the recorder of deeds of Clay County and shall be deemed notice to all owners of real estate of the charges of the sewerage system of said city on their properties.
(H) Access To Records: The Illinois environmental protection agency or its authorized representative shall have access to any books, documents, papers and records of the city which are applicable to the city system of user charges or industrial cost recovery for the purpose of making audit, examination, excerpts and transcriptions thereof to ensure compliance with the terms of the special and general conditions to any state grant. (Ord. 77-336, 2-7-1977)
The rates and service charges established for user charges in subsections 7-4-9(A) through 7-4-9(G) of this chapter, inclusive, shall be effective as of the next fiscal year beginning May 1, 1977, and on bills to be rendered for the next succeeding month being June 1, 1977, for monthly users. (Ord. 77-336, 2-7-1977)
Unless the context specifically indicates otherwise, the meanings of terms used in this chapter shall be as follows:
CLARIFICATION OF WORD USAGE: "Shall" is mandatory; "may" is permissible.
FEDERAL GOVERNMENT:
Administrator: The administrator of the U.S. environmental protection agency.
Federal Act: The federal water pollution control act (33 USC 1251 et seq.) as amended by the federal water pollution control act amendments of 1972 (Pub. L. 92-500) and (Pub. L. 93-243).
Federal Grant: The U.S. government participation in the financing of the construction of treatment works as provided for by title II - grants for construction of treatment works of the act and implementing regulations.
LOCAL GOVERNMENT:
Approving Authority: The commissioner of public property or such other person, official or employee designated by the city council.
City: The city of Flora, Illinois.
Ordinance: This ordinance.
NPDES PERMIT: Any permit or equivalent document or requirements issued by the administrator, or, where appropriate by the director after enactment of the federal water pollution control amendments of 1972, to regulate the discharge of pollutants pursuant to section 402 of the federal act.
PERSON: Any and all persons, natural or artificial including any individual, firm, company, municipal, or private corporation, association, society, institution, enterprise, governmental agency or other entity.
SEWER TYPES AND APPURTENANCES:
Building Drain: That part of the lowest piping of a drainage system which receives the discharge from soil, waste, and other drainage pipes inside the walls of the building and conveys it to the building sewer or other approved point of discharge, beginning five feet (5') (1.5 m) outside the inner face of the building wall.
Building Sewer: The extension from the building drain to the public sewer or other place of disposal.
Combined Sewer: A sewer which is designed and intended to receive wastewater, storm, surface and ground water drainage.
Easement: An acquired legal right for the specific use of land owned by others.
Public Sewer: A sewer provided by or subject to the jurisdiction of the city. It shall also include sewers within or outside the city boundaries that serve one or more persons and ultimately discharge into the city sanitary (or combined sewer system), even though those sewers may not have been constructed with city funds.
Sanitary Sewer: A sewer that conveys sewage or industrial wastes or a combination of both, and into which storm, surface, and ground waters or unpolluted industrial wastes are not intentionally admitted.
Sewer: A pipe or conduit for conveying sewage or any other waste liquids, including storm, surface and ground water drainage.
Sewerage: The system of sewers and appurtenances for the collection, transportation and pumping of sewage.
Storm Sewer: A sewer that carries storm, surface and ground water drainage but excludes sewage and industrial wastes other than unpolluted cooling water.
Storm Water Runoff: That portion of the precipitation that is drained into the sewers.
STATE GOVERNMENT:
Director: The director of the Illinois environmental protection agency.
State Act: The Illinois antipollution bond act of 1970.
State Grant: The state of Illinois participation in the financing of the construction of treatment works as provided for by the Illinois antipollution bond act and for making such grants as filed with the secretary of state of the state of Illinois.
TREATMENT:
Pretreatment: The treatment of wastewaters from sources before introduction into the wastewater treatment works.
Wastewater Treatment Works: An arrangement of devices and structures for treating wastewater, industrial wastes, and sludge. Sometimes used as synonymous with "waste treatment plant" or "wastewater treatment plant" or "pollution control plant".
TYPES OF CHARGES:
Basic User Charge: The basic assessment levied on all users of the public sewer system.
Debt Service Charge: The amount to be paid each billing period for payment of interest, principal and coverage of (loan, bond, etc.) outstanding and shall be computed by dividing the annual debt service by the number of users connected to the wastewater facilities.
Replacement: Expenditures for obtaining and installing equipment, accessories, or appurtenances which are necessary during the service life of the treatment works to maintain the capacity and performance for which such works were designed and constructed. The term "operation and maintenance" includes replacement.
Surcharge: The assessment in addition to the basic user charge and debt service charge which is levied on those persons whose wastes are greater in strength than the concentration values established in section 7-4-11 of this chapter.
Useful Life: The estimated period during which the collection system and/or treatment works will be operated and shall be twenty (20) years from the date of start up of any wastewater facilities constructed with a state grant.
User Charge: A charge levied on users of treatment works for the cost of operation and maintenance.
Wastewater Service Charge: The charge per month levied on all users of the wastewater facilities. The service charge shall consist of the total or the basic user charge, the debt service charge and a surcharge, if applicable.
Water And Sewerage Fund: The principal accounting designation for all revenues received in the operation of the sewerage system.
USER TYPES:
Control Manhole: A structure located on a site from which industrial wastes are discharged. Where feasible, the manhole shall have an interior drop. The purpose of a "control manhole" is to provide access for the city representative to sample and/or measure discharges.
Industrial User: Any nongovernmental user of publicly owned treatment works identified in the standard industrial classification manual, 1972, office of management and budget, as amended and supplemented, under the following divisions:
Division A Agriculture, forestry and fishing
Division B Mining
Division D Manufacturing
Division E Transportation, communications, electric, gas and sanitary services
Division I Services
A user in the divisions listed may be excluded if it is determined by the commissioner of public property that it will introduce primarily segregated domestic wastes or wastes from sanitary conveniences.
Residential Or Commercial Or Nonindustrial User: Any user of the treatment works not classified as an industrial user or excluded as an industrial user as provided for in this section.
User Class: The type of user either residential or commercial (nonindustrial) or industrial as defined herein.
WASTEWATER AND ITS CHARACTERISTICS:
BOD (Denoting Biochemical Oxygen Demand): The quantity of oxygen utilized in the biochemical oxidation of organic matter under standard laboratory procedure in five (5) days at twenty degrees centigrade (20°C), expressed in milligrams per liter.
Effluent Criteria: Defined in any applicable NPDES permit.
Floatable Oil: Oil, fat, or grease in a physical state such that it will separate by gravity from wastewater by treatment in an approved pretreatment facility. A wastewater shall be considered free of floatable fat if it is properly pretreated and the wastewater does not interfere with the collection system.
Garbage: Solid wastes from the domestic and commercial preparation, cooking, and dispensing of food, and from the handling, storage and sale of produce.
Industrial Waste: Any solid, liquid or gaseous substance discharged, permitted to flow or escaping from any industrial, manufacturing, commercial or business establishment or process or from the development, recovery or processing of any natural resource as distinct from sanitary sewage.
Major Contributing Industry: An industrial user of the publicly owned treatment works that: 1) has a flow of fifty thousand (50,000) gallons or more per average workday; or 2) has a flow greater than ten percent (10%) of the flow carried by the municipal system receiving the waste; or 3) has in its waste, a toxic pollutant in toxic amounts as defined in standard issued under section 307(a) of the federal act; or 4) is found by the permit issuance authority, in connection with the issuance of the NPDES permit to the publicly owned treatment works receiving the waste, to have significant impact, either singly or in combination with other contributing industries, on that treatment works or upon the quality of effluent from that treatment works.
Milligrams Per Liter: A unit of the concentration of water or wastewater constituent. It is 0.001 gram of the constituent in one thousand milliliters (1,000 ml) of water. It has replaced the unit formerly used commonly, parts per million, to which it is approximately equivalent, in reporting the results of water and wastewater analysis.
ppm: Parts per million by weight.
pH: The logarithm (base 10) of the reciprocal of the hydrogen ion concentration expressed by one of the procedures outlined in "Standard Methods".
Population Equivalent: A term used to evaluate the impact of industrial or other waste on a treatment works or stream. One population equivalent is one hundred (100) gallons of sewage per day, containing seventeen-hundredths (0.17) pounds of BOD and twenty-hundredths (0.20) pounds of suspended solids.
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 (1/2") (1.27 cm) in any dimension.
Sewage: Used interchangeably with "wastewater".
Slug: Any discharge of water, sewage or industrial waste which in concentration of any given constituent or in quantity of flow exceeds for any period of duration longer than fifteen (15) minutes more than five (5) times the average twenty four (24) hour concentration or flows during normal operation.
Standard Methods: The examination and analytical procedures set forth in the most recent edition of "Standard Methods for the Examination of Water and Wastewater" published jointly by the American public health association, the American water works association and the water pollution control federation.
Suspended Solids: Solids that either float on the surface of, or are in suspension in water, sewage, or industrial waste, and which are removable by a laboratory filtration device. Quantitative determination of suspended solids shall be made in accordance with procedures set forth in "Standard Methods".
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 benefited by discharge to the sanitary sewers and wastewater treatment facilities provided.
Wastewater: The spent water of a community. From this standpoint of course, it may be a combination of the liquid and water carried wastes from residences, commercial buildings, industrial plants, and institutions, together with any ground water, surface water and storm water that may be present.
Water Quality Standards: Defined in the water pollution regulations of Illinois.
WASTEWATER FACILITIES: The structures, equipment, and processes required to collect, carry away, and treat domestic and industrial wastes and transport effluent to a watercourse.
WATERCOURSE AND CONNECTIONS:
Natural Outlet: Any outlet into a watercourse, pond, ditch, lake, or other body of surface or ground water.
Watercourse: A channel in which a flow of water occurs, either continuously or intermittently. (Ord. 77-336, 2-7-1977)
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