Treated Water Customer 2020 Rate Adjustment

What You Need to Know…

  • The adopted rate adjustment needed for an average single-family residential customer using 260 gallons per day is an increase of $3.57 per month.
  • Water flowing from the tap 24/7 is about $0.01 per gallon.
  • Quantity charges are based on actual usage in units. A unit of water is equivalent to 748.05 gallons or one hundred cubic feet (HCF).
  • Changes to rates and charges will become effective February 1, 2020.
  • We remain committed to investing in your water system to ensure our customers continue to receive safe, high-quality water.
  • We strive to provide exceptional service at affordable rates.

Treated Water Rate Estimator

It can be challenging to calculate how this would affect your cost of water service using the industry standard unit of one hundred cubic feet. To make it easy, we’ve created our Treated Water Rate Estimator

The tables below show a comparison of current 2019 and adopted 2020 rates. For more detailed information, see the Prop 218 Notice Treated Water Customers Letter (PDF).

How will the 2020 Water Rate Adjustment affect you?

Reference Information

Here to Help

If you have questions, we encourage you to contact our customer service staff at 925-688-8044 from 7:30 a.m. to 5:00 p.m., Monday through Friday.

  1. Quantity Charges
  2. Daily Charges
  3. Backflow Prevention Charges

Quantity Charges

Quantity charges are based on actual usage in units. A unit of water is equivalent to 748.05 gallons or one hundred cubic feet (HCF).

Usage is for the cost of source water delivery, treatment and distribution for water used during a billing period.

Energy is for the cost to pump treated water to various elevation zones.

Quantity ChargesCurrent 2019 ($/unit)Adopted 2020 ($/unit)
Usage Charge$ 4.5877$ 4.8434
Energy Charge*
Zone 1$ 0.0638$ 0.0801
Zone 2$ 0.1584$ 0.2070
Zone 3$ 0.2386$ 0.2992
Zone 4$ 0.3084$ 0.3926
Zone 5$ 0.4117$ 0.5093
Zone 6$ 0.5497$ 0.6862
Zone 7$ 0.7046$ 0.8911
Zone 8$ 0.9774$ 1.3648

*Energy charge increases due to PG&E cost increases