Sample Rate Calculation
PWSD # 2 of St. Charles County
Using rates effective December 1, 2015

Payment for Water Service
Water usage for the month based upon monthly meter reading = 4,800 gal
Monthly service availability charge
$ 13.45
Cost for first 1,000 gallons $4.21 / 1,000 gallons
$4.21
Cost for next 1,000 gallons $4.21 / 1,000 gallons
$ 4.21
Cost for next 1,000 gallons $4.21 / 1,000 gallons
$ 4.21
Cost for next 1,000 gallons $4.21 / 1,000 gallons
$ 4.21
Cost for next 800 gallons $4.21 / 1,000 gallons
$ 3.37
State Water Fee  
$ 0.16
Total Water Bill
$ 33.82
  

Payment for Sewer Service (Lake St. Louis and certain other areas)
The sewer rate used in this example applies to Lake St. Louis and certain other areas. Average winter water usage
(used for calculating sewer bill) = 4,800 gallons
Customer charge  
$ 1.91
Cost for first 1,000 gallons $6.07 / 1,000 gallons
$ 6.07
Cost for next 1,000 gallons $6.07 / 1,000 gallons
$ 6.07
Cost for next 1,000 gallons $6.07 / 1,000 gallons
$ 6.07
Cost for next 1,000 gallons $6.07 / 1,000 gallons
$ 6.07
Cost for next 800 gallons =800 x $6.07 / 1,000
$ 4.85
State Sewer Fee  
$ 0.06
Total Sewer Bill
$ 31.10
  

If the customer purchases water and sewer service from PWSD #2, both charges are included in one bill. For this case, the total water and sewer charges would be:
  Water
$ 33.82
  Sewer
$ 31.10
Total
$ 64.92