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 CalWater - Willows.

The California Water Service Company (Cal Water) provides water services to about 7,217 residents living in the Willows area of Glen County. Founded in 1927, the Willows Division of Cal Water operates four wells, two storage tanks, and 35.7 miles of pipeline, which distributes approximately two million gallons of local groundwater daily to the Willows' customers. The wells receive hexavalent chromium treatment and are disinfected with chlorine to kill microbial contamination. Water sources also include rivers, lakes, streams, ponds, reservoirs, and springs.

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Willows Drinking Water Quality

Consumer Confidence Water Quality Reports

Under the authority of the Safe Drinking Water Act, the EPA requires CalWater - Willows 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 CalWater - Willows website.

Contact CalWater - Willows 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 CalWater - Willows Bill

Already have an account?

If you already have an account, you just need to login to the CalWater - Willows site. CalWater - Willows 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 Willows, you'll most likely already have running water, but you'll still need to set up water service with the CalWater - Willows. 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 Willows, you'll need to stop your water service with the CalWater - Willows, 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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