San Dimas has multiple water providers: Golden State Water - San Dimas, Golden State Water - Claremont, American States Utility Services - Fort Bliss, and Golden State Water Company - South San Gabriel, view all. This page provides information about Golden State Water - San Dimas.

The Golden State Water Company (GSWC) - San Dimas Water provides water for about 55,107 residents living in the area of San Dimas, California. Established in 1929, the Golden State Water Company - San Dimas Water is currently obtaining its supply from a blend of groundwater from wells that pump from the Main San Gabriel Basin, local surface water distributed by the Covina Irrigation District, and imported water from the Colorado River Aqueduct and the State Water Project (imported and distributed by the Metropolitan Water District of Southern California and Three Valleys Municipal Water District).

San Dimas Drinking Water Quality

Consumer Confidence Water Quality Reports

Under the authority of the Safe Drinking Water Act, the EPA requires Golden State Water Company - San Dimas Water 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.

B+

Good

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 Golden State Water - San Dimas? 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, Golden State Water - San Dimas received an above-average grade because the amounts of contaminants found in the water supply were lower than most other water providers we've analyzed.

B+

Good

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 Golden State Water Company - San Dimas Water Customer Service

Have a Question, Issue or Comment?

Main Customer Service

Physical Address:
San Dimas CSA
121 Exchange Place
San Dimas, California 91773

909-394-2272
customerservice@gswater.com

Emergency (24 hours - broken water main or pipeline, etc.)
909-394-2272

Pay Your Golden State Water - San Dimas Bill

Already have an account?

If you already have an account, you just need to login to the Golden State Water - San Dimas site. Golden State Water - San Dimas 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 Golden State Water - San Dimas 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 San Dimas Water Service

Starting Your Service

When you move to a new home in San Dimas, you'll most likely already have running water, but you'll still need to set up water service with the Golden State Water - San Dimas. Luckily, San Dimas 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 San Dimas, you'll need to stop your water service with the Golden State Water - San Dimas, 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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