Arizona may tap into desalination projects

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Faced with the ongoing drought, Arizona may tap into desalination projects to augment its water supply.

Trade with Mexico.

One of the desalination projects is proposed by Governor Doug Ducey, which would fund desalination plants in Mexico.  Arizona and other Lower Basin states would take some of Mexico’s shares of Colorado River water in exchange for the water they financed desalinating south of the border.  The project would be an expensive one that could take years to develop.  Inside Climate NewsOpens in a new tab. writes,

According to a 2020 binational study involving Lower Colorado River Basin states and Mexico, the plants would produce upwards of 200,000 acre-feet of desalinated water each year for a price of about $2,000 per acre-foot, making up for less than a fifth of the water deficit the Lower Basin states and Mexico are expected to see by 2030.

The capital to establish the plants would cost more than $3 billion, the study reported, and annual operating costs could range from more than $70 million to as high as $119 million.

Groundwater Desalination.

Another idea comes from an inventor named Brian Hageman, who says that water under Buckeye (just west of Phoenix) should be desalinated. According to Fox NewsOpens in a new tab., there is “a huge aquifer underneath the City of Buckeye that is not being tapped into, because the water is too salty.”  Hageman’s proposal would use six desalination stations running on solar hot water panels.  He thinks enough water could be produced to supply about one million homes.


Since 1995, Deborah has owned and operated LegalTech LLC with a focus on water rights. Before moving to Arizona in 1986, she worked as a quality control analyst for Honeywell and in commercial real estate, both in Texas. She learned about Arizona's water rights from the late and great attorney Michael Brophy of Ryley, Carlock & Applewhite. Her side interests are writing (and reading), Wordpress programming and much more.

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