The California Water Service (Cal Water) - Chico District, provides water for about 105,660 residents living in the Chico area and Hamilton City. Established in 1926, the Cal Water's Chico District extracts groundwater from the unadjudicated aquifers of the Sacramento River Valley via 63 active municipal wells. Cal Water Chico's system has a total of 65 wells located throughout the Chico-Hamilton City service area.

Chico Drinking Water Quality

Consumer Confidence Water Quality Reports

Under the authority of the Safe Drinking Water Act, the EPA requires Cal-Water Service Co.-Chico 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.

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Excellent

WaterZen Rating

Lead levels in the drinking water of some cities across the United States are too high, potentially creating public-health issues for the people living in those areas.

What about Cal-Water Service Chico? How much lead is in your drinking water? And how do those levels compare to other cities in the state? We examined data from hundreds of cities across the nation to understand and grade your water quality.

As you can see, Cal-Water Service Chico received the best-possible grade because the amounts of contaminants found in the water supply were better than the Public Health Goal and most other water providers we've analyzed.

A-

Excellent

WaterZen Rating

Lead levels in the drinking water of some cities across the United States are too high, potentially creating public-health issues for the people living in those areas.

Contact Cal-Water Service Co.-Chico Customer Service

Have a Question, Issue or Comment?

Main Customer Service

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

530-893-6300
(email not available)

Emergency (24 hours - broken water main or pipeline, etc.)
530-893-6300

Pay Your Cal-Water Service Chico Bill

Already have an account?

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

Want to create a new account?

You can create a new account on the Cal-Water Service Chico website. Once you create the account, you can setup payment with credit, debit, or direct deposit. Click here to create an account.

Want to pay without an account?

You can make a one-time payment without creating an account. You will need to have your credit or debit card in order to make the one time payment. Click here to make a one time payment.

How to Start Chico City Water Service

Starting Your Service

When you move to a new home in Chico, you'll most likely already have running water, but you'll still need to set up water service with the Cal-Water Service Chico. Luckily, Chico City 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 Chico, you'll need to stop your water service with the Cal-Water Service Chico, 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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