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Water quality report cover

Water Quality

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.

Download a copy of the 2021 report here.

2021 Water Quality Report Relative to Public Health Goals

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Woman looking at class of water

Water Clarity

What if your water isn't perfectly clear? We have answers!

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Child drinking water from kitchen sink faucet

Taste and Smell

Notice anything unusual? Check out the most common reasons.

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Water pouring into a glass.

Lead

Lead is carefully monitored by SJW. Learn more about what we are doing to keep you save. 

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PFAS

PFAS

Learn more about how SJW is addressing these chemicals https://www.sjwater.com/pfas.  

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Technician Analyzing Water Backflow

Backflow

"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.

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Children drinking water from glasses

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.

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Water pressure meters.

Water Pressure

Understand high and low pressure, and how to manage both.

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Water heater

Water Heaters and Softeners

  • Water heater tips
  • Water softener tips
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Three wooden blocks spelling out F.A.Q.

Water Quality FAQs

  • Water supply
  • Hard & Soft Water
  • Safety & Quality
  • Water Containment