Emergency Notifications
SJW is Maintaining Safe and Reliable Water Service During the Coronavirus (COVID-19) Pandemic
Notification detailsHelp & Information
What are you looking for?
Featured Content
SJ Water and CT Water: What you need to know
Learn more about our combination with Connecticut Water.
Category: Help & Information
How to Read Your Bill
Get an overview of the information located on your billing statement, including an annotated bill explaining each section.
Category: Understand Billing
Rate Information, Cases + FAQs
Learn more about why water rates have increased.
Category: Rates & Regulations
How to Check for Water Loss
Water loss can be expensive and cause property damage. Learn how to see if you're losing water.
Category: Leaks & Water Loss
What about Fluoride?
Beginning in 2016, the Santa Clara Valley Water District began delivering fluoridated water to SJW. Find answers to your questions about it here.
Category: Water Quality
Most Viewed
Fluoride
What is fluoride and how does it affect your water? See answers to these questions as well as the fluoridation levels in your area.
Category: Water Quality
How to Read Your Bill
See every part of your bill explained.
Category: Understand Billing
Online Billing FAQs
Get more info on online billing, the fast and convenient way to view and pay bills online.
Category: Understand Billing
System Improvements
See how we're improving our infrastructure, including a map of where improvement projects are happening.
Need Water, Hydrant, or Fire Flow Design Information?
Find information and request data reports for hydrant flow, and commercial and residential fire sprinkler and plumbing design.