South San Francisco has multiple water providers: CalWater - South San Francisco and Westborough Water District. This page provides information about Westborough Water District.

The Westborough Water District provides water for about 14,050 residents living in the South San Francisco area, San Mateo County, California. Established in 1961, the Westborough Water District purchases its water from San Francisco Public Utility Commission (SFPUC). The source water originates from the Spring Yosemite National Park snowmelt and flows down to the Tuolumne River to storage at Hetch Hetchy Reservoir.

South San Francisco Drinking Water Quality

Consumer Confidence Water Quality Reports

Under the authority of the Safe Drinking Water Act, the EPA requires Westborough 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 Westborough 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, Westborough 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.

South San Francisco has multiple water providers: CalWater - South San Francisco and Westborough Water District. This page provides water quality information for Westborough 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.

South San Francisco has multiple water providers: CalWater - South San Francisco and Westborough Water District. This page provides water quality information for Westborough Water District.

Contact Westborough Water District Customer Service

Have a Question, Issue or Comment?

Main Customer Service

Physical Address:
2263 Westborough Boulevard
P.O. Box 2747
South San Francisco, California 94083

650-589-1435
wwd@westboroughwater.org

Emergency (24 hours - broken water main or pipeline, etc.)
650-589-1435

Pay Your Westborough Water District Bill

Already have an account?

If you already have an account, you just need to login to the Westborough Water District site. Westborough 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 Westborough 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 South San Francisco Water Service

Starting Your Service

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