Arizona’s lifeline for chip manufacturing is drying up
Water from the Colorado River is getting scarce — and more expensive for everyone.
by Justine Calma
Sep 11, 2026, 12:00 PM UTC
Justine Calma is a senior science reporter covering energy and the environment with more than a decade of experience. She is also the host of Hell or High Water: When Disaster Hits Home, a podcast from Vox Media and Audible Originals.
The 1,400-mile waterway is a crucial lifeline for the region and other western states. A recent federal decision on how to manage its dwindling flow hits Arizona, and its already drought-prone desert communities, particularly hard. The river provides more than a third of the Grand Canyon State’s water. Arizona has been a manufacturing hub since the start of the semiconductor industry, and now it’s where TSMC and Intel are expanding massive factories to make advanced chips for AI — a water-intensive effort.
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