San Francisco Water
The San Francisco Public Utilities Commission supplies water for more than 2.7 million customers in San Francisco, California and portions of Alameda, Santa Clara, and San Mateo Counties. Founded as San Francisco Water Works in 1856, today's commission collects water from the Hetch Hetchy watershed in Yosemite National Park to help sustain the constant growth of the Bay Area.
San Francisco Drinking Water Quality
Consumer Confidence Water Quality Reports
Under the authority of the Safe Drinking Water Act, the EPA requires San Francisco 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.
Contact San Francisco Water Customer Service
Have a Question, Issue or Comment?
Main Customer Service
525 Golden Gate Avenue (at Polk St.)
San Francisco, 94102
415-551-3000 (Mon–Fri, 7:00 AM–7:00 PM)
Emergency (24 hours - broken water main or pipeline, etc.)
Pay Your San Francisco Water Bill
Already have an account?
If you already have an account, you just need to login to the San Francisco Water site. San Francisco Water 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 San Francisco Water 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 Francisco Water Service
Starting Your Service
When you move to a new home in San Francisco, you'll most likely already have running water, but you'll still need to set up water service with the San Francisco Water. Luckily, San Francisco has made it pretty simple with the following online form. Starting service generally takes just two business days.
Stopping Your Service
When you move out of a home in San Francisco, you'll need to stop your water service with the San Francisco Water, so you don't keep getting billed. Simply fill out the following online form. Stopping service normally takes just two business days.
News & Resources
The Safe Water Drinking Act of 1974 and Water Safety Standards in the United States
Learn all about the water regulations and reasons behind the Safe Drinking Water Act of 1974 passed by Congress to ensure that Americans have clean drinking water.
Traveling Abroad? Seven Countries with the Worst Drinking Water
Sadly, nearly a quarter of the world's population lacks access to clean drinking water. Here's a list of seven countries with the worst water supplies.
How to Store Water Long-Term: An In-Depth Guide to Water Storage
Having enough stored water can be life-saving in the case of an emergency or disaster. Learn how to store water for the long-term with our full guide.
What Is Potable Water? Everything You Need to Know
Are you curious about potable water? About what it is and what makes it so? If yes, check out this complete guide to potable water.
How Is Water Quality Defined? What to Know About the Safety of Your Drinking Water
Levels of bacteria, solid particulates, salinity, and dissolved oxygen — these all affect water quality. Read on to find out more.
Reality Check: How Safe Is the Drinking Water from a Public Fountain?
Many of us drink water from public water fountains without giving it a second thought. But are drinking fountains safe? You may be surprised at the results.