§ 50.023C WATER SERVICE — VOLUMETRIC CHARGES.
   (A)   Volumetric rates - per 1,000 gallons of usage:
 
Effective Date
Tier 1
Up to 7,000 gallons
Tier 2
7,001 to 12,000 gall ons
Tier 3
12,001 to 22,000 gall ons
Tier 4
Over 22,000 gallons
January 1, 2024
$ 7.33
$ 9.53
$12.46
$14.66
 
   (B)   Volumetric rates — per 1,000 gallons of usage:
Effective Date
Block 1
Up to 20,000 gallons
Block 2
Over 20,000 gallons
Effective Date
Block 1
Up to 20,000 gallons
Block 2
Over 20,000 gallons
January 1, 2010
$3.25
$4.92
January 1, 2011
3.51
5.31
January 1, 2012
3.77
5.71
January 1, 2013
4.04
6.11
January 1, 2014
4.28
6.48
January 1, 2015
6.10
8.30
January 1, 2017
6.11
8.31
June 1, 2017
6.18
8.38
June 1, 2018
6.24
8.44
January 1, 2019
6.25
8.45
June 1, 2019
6.29
8.49
June 1, 2020
6.39
8.59
January 1, 2021
6.47
8.67
June 1, 2021
7.02
9.22
January 1, 2022
7.02
9.22
June 1, 2022
7.23
9.43
January 1, 2023
7.27
9.47
June 1, 2023
7.49
9.69
 
   (C)   For water service provided through December 31, 2009:
      (1)   Water service for each dwelling unit, industrial or business establishment, public building, fraternal organization and/or charitable institution shall be billed on a quarterly basis for each 1,000 gallons of water consumption, or fraction thereof, at the rates established as follows:
         Rates per 1,000 gallons   Effective Date
         $3.43             January 1, 2009 through December 31, 2009
      (2)   Minimum charge. A minimum charge for water service shall be computed at the water rate in effect for the period of service times a minimum of 12,000 gallons per quarter. (Water rate per 1,000 gallons times 12).
      (3)   Each dwelling unit shall be counted as a separate user for purposes of computing a minimum bill for an apartment house or other multi-unit dwelling under a common central meter.
   (D)   The volumetric rates provided under this section do not include potential increases in the water supply costs, programmed or otherwise, occurring after June 1, 2023. Any increases that directly impact the purchased water supply costs shall cause the rates provided under this section to be automatically adjusted. The adjusted volumetric rates will go into effect coincident with the effective date of the increases rounded up to the next whole cent (e.g., if an applicable water supply costs increase 3.7 cents, the billing rate adjustments would be in the amount of 4 cents).
   (E)   For the purposes of this section the water supply costs include charges impacting the Lake Michigan water received that may be imposed by:
      (1)   The City of Chicago, and
      (2)   The Village of Oak Lawn pursuant to the terms of the water supply agreement between the village and Oak Lawn, including, but not limited to:
         (a)   The Operations and Maintenance rate, or
         (b)   Charges separate from the operations and maintenance rate including new debt service allocations.
   (F)   In the event the rate increases charged by the City of Chicago that affects the village and other users of Lake Michigan water, as well as any rate increase charged by the Village of Oak Lawn pursuant to the terms of the water supply agreement between the village and Oak Lawn, shall be reduced by a court of competent jurisdiction, the rates herein imposed shall thereafter be reduced proportionately.
   (G)   The amount of the water charges provided under this section shall be presented separately on the utility bill from any other charges contained therein.
(Ord. 85-O-017, passed 4-23-85; Am. Ord. 89-O-007, passed 3-7-89; Am. Ord. 89-O-023, passed 5-23- 89; Am. Ord. 91-O-036, passed 7-23-91; Am. Ord. 92-O-001, passed 12-7-92; Am. Ord. 98-O-013, passed 2-24-98; Am. Ord. 2000-O-009, passed 4-4-00; Am. Ord. 2004-O-031, passed 4-27- 04; Am. Ord. 2007-O-085, passed 12-18-07; Am. Ord. 2009-O-072, passed 12-15-09; Am. Ord. 2021-O-019, passed 5-4-21; Am. Ord. 2023-O-056, passed 10-3-23)