Residential Monthly Water Bill Calculator

This calculator provides a convenient way to estimate your residential monthly water bill with the new rates that are being proposed and to compare against the current rates. Input monthly quantity in units and meter size.

Monthly Quantity in Units per Hundred Cubic Feet
Meter Size
Current Rates
  • Service Charge70.00
  • Volume Charge0.00
  • Total Per Month0.00
Proposed Rates for 5/01/17
  • Service Charge0.00
  • Volume Charge0.00
  • Total Per Month0.00
Current Monthly Service Charge
  • Meter SizeRate
  • 3/4"70.00
  • 1"70.00
  • 1 1/2"70.00
  • 2"70.00
Current Monthly Volume Charge
  • HCF*/MonthCurrent
  • Tier 11 to 107.14
  • Tier 211 to 258.44
  • Tier 326 to 509.68
  • Tier 451 to 10011.58
  • Tier 5Over 10014.18
Proposed Monthly Service Charge
  • Meter SizeRate
  • 3/4"63.60
  • 1"77.45
  • 1 1/2"108.62
  • 2"150.19
Proposed Monthly Volume Charge
  • HCF*/MonthCurrent
  • Tier 11 to 105.54
  • Tier 211 to 227.03
  • Tier 323 to 359.65
  • Tier 4Over 3514.74

* Hundred Cubic Feet

Note: The bills do not currently have the meter size on them. To get the meter size, carefully take the lid off of your meter box. The label on the face of the meter will indicate the size of the meter such as 1”, 3/4”, etc. You can also call the Water Billing Department at (650) 375-7402 and they can provide that information. Most residential meters are 1”.