Water Rates

Calculate Your Monthly Water Usage

Last month's reading - This month's reading = Monthly usage

Understanding Your Water Bill

Water rates for both residential and commercial customers are based on billing units (One billing unit = 748 gallons) and billing tiers. Please see information on your utility bill explained.

  • Reference the appropriate customer sections below for calculation details.
  • Each tier builds on the preceding tier, so your water bill is commensurate to your water use.
  • Water conservation is encouraged. Lower water usage will result in lower water bills.

Contacts

  • If you have any questions related to your utility bill, please contact the Finance and Administrative Services Department at 650-903-6317.
  • For information about water quality, leak detection, sewer maintenance, or nonpoint source pollution control, contact the Public Services Department at 650-903-6329.

Quicklinks

Water Rates Effective 7/1/17

View the previous year's rates.

For the complete list of rates, please see the Master Fee Schedule.
*One unit of water = 1 CCF (100 Cubic Feet) = 748 gallons
Residential - Single Family Water Consumption
If your single unit household uses You'll pay*
Tier 1 Up to 3 units per month
(up to 75 gallons per day)
0 - 3 CCF $5.10 per unit
Tier 2 More than 3 and up to 15 units per month
(more than 75 and up to 375 gallons per day)
>3 - 15 CCF $6.80 per unit
Tier 3 More than 15 units per month
(more than 375 gallons per day)
>15 CCF $10.88 per unit
Meter Charge

Uniform rate of $15.00 per month

Residential - Multi Family Water Consumption
If your multiple unit household uses You'll pay*
Tier 1 Up to 2 units per dwelling per month
(up to 50 gallons per day per dwelling)
0 - 2 CCF $5.10 per unit
Tier 2 More than 2 and up to 7 units per dwelling per month
(more than 50 and up to 175 gallons per day per dwelling)
>2 - 7 CCF $6.80 per unit
Tier 3 More than 7 units per dwelling per month
(more than 175 gallons per day per dwelling)
>7 CCF $10.88 per unit
Meter Charge
Meter Size Monthly Rate
5/8" and 3/4" $15.00
1" $30.00
1.5" $60.00
2" $96.00
3" $180.00
4" $300.00
6" $600.00
8" $960.00
10" $1,440.00

Commercial Water Consumption

Uniform rate of $6.80 per unit.

Meter Charge
Meter Size Monthly Rate
5/8" and 3/4" $15.00
1" $30.00
1.5" $60.00
2" $96.00
3" $180.00
4" $300.00
6" $600.00
8" $960.00
10" $1,440.00

Fire Service Water Consumption

Uniform rate of $6.80 per unit.

Meter Charge
Meter Size Monthly Rate
Per Inch $12.71
Minimum $50.84
2" $50.84
4" $50.84
6" $76.26
8" $101.68
10" $127.10
12" $152.52
16" $203.36

Recycled Water / Water Consumption

Uniform rate of $3.07 per unit.

Meter Charge
Meter Size Monthly Rate
5/8" and 3/4" $15.00
1" $30.00
1.5" $60.00
2" $96.00
3" $180.00
4" $300.00
6" $600.00
8" $960.00
10" $1,440.00

HYDRANT METER WATER / WATER CONSUMPTION

Uniform rate of $15.30 per unit.

Meter Charge
Meter Size Monthly Rate
3"                 $180.00

 Backflow Prevention Devices and meter

Backflow Charge
Meter Size Monthly Rate
5/8" and 3/4" $46.65
1" $61.65
1.5" $108.30
2" $144.30
3" $236.80
4" $367.10
6" $681.45
8" $1,060.20
10" $1,540.20

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