A Desalination Plant in Mexico: Promising Proposal or Pipe Dream?
By Rob Curl. In December 2022, Arizona’s Water Infrastructure and Finance Authority (WIFA) unanimously passed a nonbinding resolution in support of a seawater desalination project in Mexico. The proposed plant would be built by Israel-based company IDE Technologies near Puerto Peñasco, Sonora, where it would process saltwater from the Gulf of California and pipe as much as 300,000 acre-feet of potable freshwater to Arizona. WIFA’s resolution signals growing enthusiasm for desalination as an answer to Arizona’s water woes, but the project has been met with plenty of skepticism. Arizona’s Water Problem Proponents of desalination argue that Arizona’s water supply is dwindling and that this is already affecting the state’s development. Year by year, the drying climate in Western states leaves less water in the Colorado River to sustain Arizona communities.…