Rialto has multiple water providers: West Valley Water District and Rialto Water. This page provides information about West Valley Water District.

The West Valley Water District (WVWD) provides water for about 83,218 residents living in the area of Rialto, California. Established in 1952, the West Valley Water District currently obtains its supply from a combination of sources: groundwater from Basins Chino, Bunker Hill, Lytle Creek, North Riverside, and Rialto-Colton; surface water from Lytle Creek in the San Bernardino Mountains; and purchased water from the State Water Project through San Bernardino Valley Municipal Water District.

Rialto Drinking Water Quality

Consumer Confidence Water Quality Reports

Under the authority of the Safe Drinking Water Act, the EPA requires West Valley Water District 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.

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 West Valley Water District? 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, West Valley Water District 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.

Rialto has multiple water providers: West Valley Water District and Rialto Water. This page provides water quality information for West Valley Water District.

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.

Rialto has multiple water providers: West Valley Water District and Rialto Water. This page provides water quality information for West Valley Water District.

Contact West Valley Water District Customer Service

Have a Question, Issue or Comment?

Main Customer Service

Physical Address:
855 West Baseline Road
Rialto, California 92376

909-875-1804
customerservice@wvwd.org

Emergency (24 hours - broken water main or pipeline, etc.)
909-875-1804

Pay Your West Valley Water District Bill

Already have an account?

If you already have an account, you just need to login to the West Valley Water District site. West Valley Water District 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 West Valley Water District 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 Rialto Water Service

Starting Your Service

When you move to a new home in Rialto, you'll most likely already have running water, but you'll still need to set up water service with the West Valley Water District. Luckily, Rialto 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 Rialto, you'll need to stop your water service with the West Valley Water District, 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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