In Stockton, our purchased water supplier is shutting down its surface water treatment plant to perform construction, resulting in a temporary water source change. Learn More
In-person service is not available at this location; however, our customer service representatives are happy to serve you by phone or email. In-person and other payment options are detailed on the Payment Options page.
Cal Water will begin work on a water infrastructure upgrade next week that will enhance water supply reliability and fire protection in Stockton. Cal Water crews will install an additional...
Cal Water is undertaking several water infrastructure upgrades that will improve water supply reliability and fire protection throughout Stockton. The projects include installation of more than 15,000 feet of new...
Cal Water’s Stockton District was formed in 1927 with the purchase of the water system from Pacific Gas and Electric Company. To meet the needs of our customers, we use a combination of local groundwater and water purchased from the Stockton East Water District, which is imported from the New Melones and New Hogan Reservoirs. The Stockton system includes 23 wells, 17 booster pumps, and 12 storage tanks.
Frequently Asked Questions
What forms of payment does Cal Water accept?
You can pay your Cal Water bill with cash, a check, a money order, a credit card, a debit card, or bank account. However, available payment options vary depending on the payment location or method. For more detail, see the Payment Options page.
What is the Customer Assistance Program (CAP)?
Cal Water offers a Customer Assistance Program (CAP — formerly LIRA) to customers who meet income guidelines. Qualifying customers receive a discount on their monthly service charge. You can visit the CAP page to see if you qualify and download an application form. If you live in a single-family residence, you can also apply online.
What should I do if my bill seems higher than usual?
See the High Bills page for more information and suggestions.
How do I turn off the water supply to my house in the event of a break in my plumbing or a repair?
You can interrupt the flow of water to your home by turning off your house valve. House valves are usually located beneath a faucet outside the home, most typically near the faucet for the garden hose. If you cannot find your house valve, please contact your local Customer Center for assistance.
Payment Mailing Address
California Water Service P.O. Box 7229 San Francisco, CA 94120-7229
Automated Payment Number
(888) 598-9824
Rebates
Rates
Customer Assistance: We’re Here to Help
Cal Water has services and programs to assist you in a variety of circumstances.
