A single data center uses 1-5 million gallons per day. Googles self reported Council Bluffs, Iowa data center used 1 billion gallons of water in 2024 on its own.
Current estimates are AI on its own will use 4.2-6.6 billion gallons by 2027
Making AI Less “Thirsty”: Uncovering and Addressing the Secret Water Footprint of AI Models
Li, Yang, Islam, and Ren
Research article by UC Riverside or something like that