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Water Quality
Water Quality Testing and Monitoring  
The City of Avondale’s goal is to provide safe and reliable water and wastewater service to its citizens; comply with all environmental and health standards; anticipate and respond to emergencies in a timely, appropriate manner.

The City's Water Quality Specialist collects water samples on a monthly, quarterly and annual basis with additional special sampling done as needed. The Specialist also oversees water quality compliance throughout the City.

Where Does Our Water Come From?
The City’s drinking water source is 100% groundwater. Our water supply is not exposed to air and is not subject to direct pollution and contamination like a river or a reservoir. In fact, groundwater is the safest and highest quality water available to meet the public’s demand.

All of our water is pumped through production wells. These wells are located throughout the City to provide sufficient flows and pressures. The aquifer from which we draw water is called the West Salt River Valley Sub-Basin.

For the year, the City consumed 13,576 acre-feet of water. Since an acre-foot of water is equivalent to 325,851 gallons, that’s over four billion gallons of water per year. Visually, one-acre foot of water is an entire football field filled with one foot of water. That’s approximately 12,119,872 gallons every day.

How Is My Water Tested and Treated?
The groundwater delivered to your tap by nature is 99.9% microbial free. The City treats and tests at the production wells and reservoirs and continues to monitor to ensure that it remains safe enroute to your tap.

Drinking water has numerous chemical and biological analyses conducted on a regular basis. Compliance samples are collected and analyzed by a laboratory certified by the Arizona Department of Health Services and approved by Maricopa County Environmental Services Department.

Not only do we test and monitor the water, we maintain a level of chlorine throughout the distribution system. This chlorine is important to ensure disinfection.

An annual Consumer Confidence Report of the City's water quality testing results is created and distributed by the Public Works Department. This publication is mailed to every customer in the City of Avondale service area on or before July 1st of every year.

For more information please contact: 
David Allred
Regulatory Compliance
Water Quality Technician

Phone No. (623) 333-4457
Fax No. (623) 333-0440
or After Hours (emergencies) (623) 333-4400