All Gilbert municipal buildings, aside from Gilbert Municipal Court and Gilbert Police Department’s main station are closed to the public until May 10th. For the latest updates and information on Gilbert’s response to COVID-19, also known as coronavirus, visit


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If you have further questions or concerns, please fill out this online request form* for a water quality inquiry or call our Public Works Department at 480-503-6400 (Monday through Thursday, 7am-6pm) and a customer service representative will be happy to assist you.

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Expand/Contract Questions and Answers

  • Does the town fluoridate its drinking water?

  • How do I set my water softener correctly?

  • How often do you test tap water for total/fecal coliform?

  • Is fluoride in my drinking water safe?

  • Is my tap water safe to drink?

  • Is there Hexavalent Chromium in Gilbert’s water?

  • My tap water sometimes has a funny taste and smell. What's wrong with it?

  • What are the health effects associated with hard water?

  • What are total coliform bacteria?

  • What can cause tap water to smell like bleach?

  • What can cause tap water to taste like salt?

  • What can cause the tap water to be cloudy or milky?

  • What I can do to avoid taste and odor in my tap water?

  • What is a Water Quality Report?

  • What is E. coli? Where does it come from? How can water be treated to protect against E. coli?

  • What is my responsibility for water and sewer service lines on my property?

  • What is the conversion factor for mg/L of hardness to grains per gallon of hardness?

  • What is water hardness?

  • What should I do if I turned on a faucet and the water coming out is discolored?

  • Why does the water coming out of my tap appear to have a brown color or have sediments in it?

  • Why is our water is tested for total/fecal coliform only?