Know Your H2O

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Mesa Know Your H2O Logo_approvWhat do you know about your water in Mesa? With tips, tools, resources and more, we are here to help you Know Your H2O!

2016 Know Your H2O survey results.

Water quality, services and supply

  • Read the newest Water Quality Consumer Confidence Report. Available in English and Spanish, this report contains important information about your drinking water. Learn where your water comes from and how we treat it to the highest standards.
  • Watch this special edition of Mesa Now to learn about your Mesa water from source to tap. 
  • Check out our Water Services page to learn about the water and wastewater services we provide.
  • Tap Into Quality and find out why your tap water is safe, convenient and affordable.
  • Want to know how you can be Water-Wise? Our Water Conservation experts are here to help with programs, rebates and tools to help you get the most out of every drop.

Speakers bureau

Need a speaker for your next neighborhood meeting or event? Consider our new water speakers bureau. Knowledgeable Water Resources staff can speak to your group about water quality, conservation, current projects and more. Call 480-644-4364 or email kathy.macdonald@mesaaz.gov to schedule.

Teachers and kids - Resources, tours and more

  • Hey elementary school teachers! Need resources and materials to supplement your science curriculum? The Mesa Sustainability Department has a wealth of water education materials and programs.
  • Water Use It Wisely for Kids has games, lesson plans and more.
  • Check out the USGS Water Science School with tons of pictures, data, maps and interactive tools for water education.
  • Mesa Water Resources offers field trip tours of our water and wastewater plants on a limited basis for high school groups within Mesa Public Schools boundaries. Call 480-644-4364 or email kathy.macdonald@mesaaz.gov for details.

Did you know?

  • Mesa has a 100-year assured water supply designation from the Arizona Department of Water Resources.
  • Mesa's water meets over 100 state and federal drinking water standards including the Environmental Protection Agency's action levels for lead.
  • The average Mesa household uses 300 gallons of water per day. 
  • Mesa provides water to more than 460,000 people.
  • The average demand in 2015 was 78 million gallons per day.
  • City reservoirs have a combined storage of 112 million gallons.
  • Water is delivered to customers through more than 2,370 miles of water mains.  
  • Mesa invests millions of dollars each year in its Pipe Inspection and Replacement program.
  • Lead pipes are not used in Mesa's water distribution system.
  • About 91 percent of Mesa's water comes from surface water sources, the Salt River Project Canal System and the Central Arizona Project Canal.
  • Surface water is treated at two water treatment plants with a combined capacity of 162 million gallons per day.
  • Nine percent of Mesa's water comes from more than 30 ground water wells that can provide 83 million gallons of water per day.
  • Mesa fluoridates the water at a level of 0.75 parts per million. 
  • The new $125 million Signal Butte Water Treatment Plant in southeast Mesa will increase Mesa's water capacity by 24 million gallons per day.

Want to know more?

Contact: Kathy Macdonald, 480-644-4364, kathy.macdonald@mesaaz.gov