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Advanced Purified Water Page Banner Updated 2025 08

Advanced Water Purification is Coming to the Valley of the Sun

Advanced Water Purification (AWP) is the future of drinking water in the greater Phoenix area. Using proven technology, the City of Phoenix Water Services Department is building new infrastructure to create a reliable and sustainable source of clean drinking water for our residents and businesses.

The first AWP facility is currently under construction as part of the Cave Creek Water Reclamation Plant Rehabilitation project.  

Pure Water Phoenix 

Pure Water Phoenix Logo
Pure Water Phoenix Logo

Pure Water Phoenix is the program name for the City’s AWP facilities, as well as the public service campaign to help residents and businesses understand the benefits of AWP for Phoenix and the greater region.

Why Pure Water Phoenix Matters 

Horseshoe Bend on the Colorado River

Phoenix depends on surface water for about 98 percent of its water supply, primarily from the Colorado, Salt, and Verde Rivers, delivered through an extensive canal system. While groundwater serves as a backup and conservation efforts have successfully reduced overall demand, changes to climate patterns and prolonged drought continue to threaten the reliability of these surface water sources.

To secure Phoenix’s water future, the City is investing in Advanced Water Purification to create a local, renewable source of drinking water to create greater independence from river flows.

Horseshoe Bend on the Colorado River

What is Advanced Water Purification? 

RO Type Purification Process

AWP is a proven technology process that safely and efficiently purifies recycled water into drinking water. The water produced is so clean it meets or exceeds federal and local drinking water requirements.

RO Type Purification Process
Tres Rios Image

Recycled water, also referred to as reclaimed water, is domestic wastewater that is cleaned and reused for beneficial nonpotable (non-drinking) purposes like irrigating parks, wetland restoration, and industrial cooling. Through AWP, Phoenix will be able to purify recycled water, creating a local and high-quality source of drinking water. 

Tres Rios Image

How AWP Works

It all starts with our existing recycled water facilities – water Phoenix has been cleaning for decades for beneficial uses. 

Did you know?

Phoenix currently recycles 97 percent of the 70 billion gallons of wastewater generated annually, delivering it for use in agriculture, energy production, urban irrigation, aquifer recharge, and riparian wetland maintenance.  

 

Recycled Water Process  

Recycled Water Treatment Process Phoenix reclaims wastewater through a multi-step filtration process - settling, aeration, disinfection - turning it into clean water for parks, cooling, and natural restoration.

Recycled water is then sent to an Advanced Water Purification Facility, where it goes through an ultrafiltration process that purifies the water to high drinking water standards.

Advanced Water Purification Process 

AZ Pure Water Purification Process 2025 08 Reverse Osmosis and Ultraviolet Advanced Oxidation will be added to the water recycling processes to destroy pathogens, remove chemicals, and disinfect the water to bring it to drinking water standards.

AWP Completes Our Urban Water Cycle

Urban Water Cycle - Combined Graphic Our current water reuse system collects and cleans wastewater for irrigation, industry, and environmental restoration. Soon, recycled water will undergo advanced purification to become a vital new source of drinking water, helping us maximize every drop.

Benefits of AWP:

  • Diversify Phoenix’s water portfolio, reducing reliance on unpredictable surface water supplies.
  • Increase resilience against future drought conditions and shortages.
  • Provide a high-quality, purified water source using innovative technology to meet or exceed drinking water standards.

Future AWP Facilities 

Cave Creek Water Reclamation Plant– Pure Water Phoenix at Cave Creek.

91st Avenue Water Reclamation Plant– Pure Water Phoenix at 91st Ave.

FUTURE North Gateway Water Reclamation Plant– Pure Water Phoenix at North Gateway.

Pure Water Phoenix Timeline 

AZ Pure Water Timeline AWP and Cave Creek Sites

Global Potable Reuse Map 

Water360 Site image Map view of locations where AWP is in use or being developed. Click on image to access the Water360 site.

Request a Presentation about Pure Water Phoenix or the Cave Creek Plant Project  

Do you represent a local business, nonprofit, or civic organization? Would your organization be interested in learning more about the Pure Water Phoenix? Complete the request form for consideration and we will respond in the order we receive the inquiry.