San Jose has multiple water providers: CalWater - Bakersfield, California Water Service - Dominguez, CalWater (California Water Service) - Visalia, California Water Service - San Mateo, Great Oaks Water, San Jose Water (Edenvale & Coyote Valley), California Water Service, City Of San Jose Water - North San Jose/Alviso, Cal Water - City Of King, California Water Service - Marysville, Cal Water - Oroville, CalWater - Dixon, CalWater - Willows, CalWater - Travis Air Force Base, and Calwater - Salinas Hills, view all. This page provides information about Cal Water - Oroville.

California Water Service-Oroville, a public community water system under the local government, provides water to about 10,698 residents living in Oroville, the county seat of Butte County, California. Founded in 1926, the California Water Service-Oroville System currently obtains its supply mainly from a surface water source from Lake Oroville through the California State Water Project. A supplemental source is from a groundwater well that is drilled into the aquifer underneath the area. The system has a 52-mile pipeline, and two storage tanks with six booster pumps.

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Oroville Drinking Water Quality

Consumer Confidence Water Quality Reports

Under the authority of the Safe Drinking Water Act, the EPA requires Cal Water - Oroville to assess local water quality each year and distribute a Consumer Confidence Water Quality Report. At WaterZen, we review these reports and make the information available, in a concise, straightforward, and easy-to-understand way. You can find CCR report on the Cal Water - Oroville website.

Contact Cal Water - Oroville Customer Service

Have a Question, Issue or Comment?

Main Customer Service

Physical Address:
1720 North First Street
San Jose, California 95112-4508


Emergency (24 hours - broken water main or pipeline, etc.)

Pay Your Cal Water - Oroville Bill

Already have an account?

If you already have an account, you just need to login to the Cal Water - Oroville site. Cal Water - Oroville accepts credit cards, debit, and direct deposit. Click here to login.

How to Start San Jose Water Service

Starting Your Service

When you move to a new home in Oroville, you'll most likely already have running water, but you'll still need to set up water service with the Cal Water - Oroville. Luckily, San Jose has made it pretty simple with the following online form. Starting service generally takes just two business days.

Click here to fill out a Start Service Form.

Stopping Your Service

When you move out of a home in Oroville, you'll need to stop your water service with the Cal Water - Oroville, so you don't keep getting billed. Simply fill out the following online form. Stopping service normally takes just two business days.

Click here to fill out a Stop Service Form.

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