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The user charge system hereinafter set forth has been developed from data outlined in the report of McClure Engineering Associates, Inc., Waukegan, Illinois, entitled "Report On The Revisions Of The User Charges Of The Wastewater System Of The Village Of Antioch, Lake County, Illinois", said report being incorporated herein by reference and which shall constitute the basis for determining user charges in the village. (1976 Code § 51.005)
A. The wastewater service charges for the use of and for services supplied by the wastewater facilities of the village shall consist of a basic user charge to pay expenses for operation, maintenance and replacement of the system, a fixed debt service charge, variable debt service rate and a surcharge, if applicable.
B. The basic user charge shall be based on water usage as recorded by water meters or sewage meters for wastes having the following normal volume and concentrations:
1. A flow of four thousand (4,000) gallons per bimonthly period.
2. A five (5) day, twenty degree centigrade (20°C) biochemical oxygen demand (BOD5) of two hundred milligrams per liter (200 mg/l).
3. A suspended solids content of two hundred forty milligrams per liter (240 mg/l).
4. Ammonia nitrogen content of thirty milligrams per liter (30 mg/l).
5. A phosphorus content (P) of twenty five milligrams per liter (25 mg/l).
C. 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 next fiscal year for all works categories.
2. Proportion the estimated costs to wastewater facility categories by volume, suspended solids, BOD5 and phosphorus.
3. Estimate waterworks volume, pounds of SS, pounds of BOD5 and pounds of phosphorus to be treated.
4. Compute units costs for volume (dollars per 1,000 gallons), for SS (dollars per pound), for BOD5 (dollars per pound), for ammonia nitrogen (dollars per pound), and for phosphorus (dollars per pound).
5. Compute costs per one thousand (1,000) gallons for volume, SS, BOD5, NH3 and phosphorus at normal sewage strength. Add these costs to determine the charge for operation and maintenance, including replacement. (1976 Code § 51.006)
D. There is hereby established a debt service charge in the amount as established in section 8-1A-1 of this article per bimonthly period for each single metered user served by the sanitary sewer system of the village, and in the amount as established in section 8-1A-1 of this article per bimonthly period for each additional user or unit served through a single meter. A component of the debt service charge in the amount of four dollars ($4.00) per bimonthly period applicable to each single metered or multiple-unit user shall be separately allocated by the village for payment of a loan under the Illinois environmental protection agency revolving loan program. (1976 Code § 51.006; amd. Ord. 02-03-10, 3-18-2002; Ord. 08-04-07, 4-7-2008)
E. 1. In the event use of the wastewater facilities by nonresidential users is determined by the superintendent to include wastes in addition to average strength domestic waste, the user shall pay a surcharge cost in addition to the debt service charge, the basic user charge and the basic user rates.
2. A surcharge will be levied upon all users whose wastes exceed the normal concentrations for BOD5 (200 mg/l), SS (240 mg/l), NH3 (30 mg/l) and phosphorus (25 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 concentrations for BOD5, SS, ammonia nitrogen and phosphorus content, respectively. Section 8-1A-2-5 of this article specifies the procedure to compute a surcharge. (Ord. 13-12-24, 12-16-2013)
A. 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 thousand (1,000) gallons.
B. 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 superintendent for the purpose of determining the volume of water obtained from these other sources.
C. Devices for measuring the volume of waste discharged may be required by the superintendent if these volumes cannot otherwise be determined from the metered water consumption records.
D. Metering devices for determining the volume of waste shall be installed, owned and maintained by the person. Following approval and installation, these meters may not be removed without the consent of the superintendent. (1976 Code § 51.007)
A. The surcharge per person shall be computed by the following formula:
S - V (0.00834) (A (BOD
5-200) + B (SS-240) ) + C (NH3-30) + D (P-25), where | ||
S | = | Amount of surcharge |
V | = | Wastewater volume in 1,000 gallons/billing period |
0.00834 | = | Unit weight of water x 10-6/1,000 gallons |
A | = | Unit charge per pound for BOD5 |
BOD5 | = | 5 day biochemical oxygen demand, mg/l |
200 | = | Allowable BOD5 strength |
B | = | Unit charge per pound of SS, mg/l |
240 | = | Allowable SS, mg/l |
C | = | Unit charge per pound of NH3 mg/l |
D | = | Unit charge per pound of P mg/l |
30 | = | Allowable NH3 mg/l |
25 | = | Allowable P mg/l |
B. 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 superintendent, and shall be binding as a basis for surcharge. (1976 Code § 51.010)
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