Our Commitment to Quality
San Jose Water is committed to supplying water that meets or surpasses all state and federal drinking standards. Browse the sections below to get information on water quality topics.
In addition, you can find a summary of our most recent water testing results along with other important information in our Annual Water Quality report.
What if your water isn't perfectly clear? We have answers!
Notice anything unusual? Check out the most common reasons.
Lead is carefully monitored by SJW. Learn more about what we are doing to keep you save.
"Backflow" is the reversal of flow of a liquid, gas, or suspended solid into the potable water supply. Find out more about backflow and how we prevent it.
What is fluoride and how does it affect your water? See answers to these questions as well as the fluoridation levels in your area.
Understand high and low pressure, and how to manage both.
- Water heater tips
- Water softener tips
- Water supply
- Hard & Soft Water
- Safety & Quality
- Water Containment
EPA Revised Health Advisory Levels
On June 15, the U.S. Environmental Protection Agency (EPA) announced that it has revised the Health Advisory levels for four specific PFAS compounds. The new Health Advisory levels are set near zero and are undetectable by modern laboratory methods at this time. Learn more.