Ars Technica frames AI data center water use as a scale problem with two different answers. In aggregate, the article says AI data centers are a small share of total water consumption, making broad claims of overwhelming national use easy to overstate. Locally, however, even moderately sized facilities can have an outsized impact, especially where water availability is already constrained.
Amazon says its global data center operations used about 2.5 billion gallons of water last year, reportedly its first such disclosure. The figure arrives just after Seattle enacted a one-year data center moratorium backed by some Amazon employees. The disclosure highlights how AI infrastructure growth is turning water use, cooling systems, and local resource strain into public and regulatory flashpoints.