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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 2022 report 在这里.

2021 Water Quality Report Relative to Public Health Goals

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post boil water advisory tips with related images

What to do after a Boil Water Advisory

For those who have been through a boil water event (a way to ensure your water is safe if, for example, you lose water service after a power outage), 在这里 are some tips for using your water after the boil water has been lifted:

  • Run all taps for 2 minutes or until the water runs cold before consuming for the first time.
  • All ice and beverages made with non-boiled water since the notice was issued should be discarded. If you have an ice-maker, dispose of any ice made since the precautionary Boil Water Advisory. The next three batches of ice should also be discarded. 
  • The CDC recommends discarding water filters after a boil water advisory. As a general health precaution, filters should be changed according to the regular schedule recommended by the manufacturer, as old filters can diminish water quality.

Learn more 在这里.

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pfa

pfa

Learn more about how SJW is addressing these chemicals http://o8q.panjinjinji.com/PFASs.  

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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.

引领。

引领。 is carefully monitored by SJW. Learn more about what we are doing to keep you safe. 

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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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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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Technician Analyzing Water Backflow

Backflow

"Backflow" is the reversal of flow of a liquid, 气体, or suspended solid into the potable water supply. Find out more about backflow and how we prevent it.

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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
  • 硬 & Soft Water
  • 安全 & Quality
  • Water Containment