By admin 
YUMA, AZ (AZFamily) — As communities across Arizona weigh the economic benefits of tech expansion against drought concerns, local leaders and residents are increasingly asking whether the desert state has enough water to sustain massive data centers.
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While some municipalities have pushed the pause button on new developments, water policy experts say the feasibility of these sprawling facilities depends heavily on location, local resource availability and community priorities.
Sarah Porter, director of the Kyl Center for Water Policy at Arizona State University, said water consumption varies significantly depending on the design and operational needs of each site.
“From data center to data center, the amount of water that is used is quite variable depending on the size of the facility and the kind of technology that’s used for cooling,” Porter said.
A decade ago, data centers relied on heavy water usage to keep high-powered servers and processors from overheating. However, technological shifts are beginning to curb that demand, including new computer chips designed to operate safely at higher temperatures.
“The other (factor) is that many data centers are now deploying cooling technologies that use a lot less water,” Porter said.
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Arizona currently has between 100 and 115 operating data centers, with roughly 86 additional projects either planned or under construction statewide.
Securing approval for new builds has become increasingly rigorous. Before developers can break ground, they must comply with municipal water ordinances and rigorous resource standards, such as programs modeled around the state’s Assured Water Supply rules. Under these frameworks, cities and utilities must ensure they have sufficient water in their portfolios to satisfy a 100-year supply commitment without depleting resources meant for surrounding residents.
Despite ongoing cuts along the shrinking Colorado River and broader desert water challenges, Porter noted that data centers alone are unlikely to destabilize Arizona’s long-term supply, provided strict local oversight and advanced conservation planning remain front and center.
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