Amazon's data centers used 2.5 billion gallons of water last year

Amazon finally shared how much water its data centers use, and the number is huge. The company says its global data center operations consumed 2.5 billion gallons of water in 2025. That's the first time Amazon has disclosed this figure, and it highlights the massive scale of the infrastructure powering cloud and AI services.

But here's the interesting part: even as Amazon expanded its data center footprint, water use actually dropped 2% from 2024. The company claims it's using water more efficiently than some big tech rivals. Amazon's water usage rate is 0.12 liters per kilowatt hour, which it says is relatively efficient.

Why does this matter now? Because AI is driving a massive buildout of new data centers, and environmental concerns are front and center. Cities like Seattle are already pushing back. Seattle enacted a one year moratorium on new data centers, and some of Amazon's own employees pushed for that.

Water consumption is a key issue in these debates. Data centers need water for cooling, and the more powerful AI chips get, the more heat they generate. Amazon's disclosure puts a number on the scale of the problem, but critics say 2.5 billion gallons is still a staggering amount, especially in water stressed regions.

For anyone using AI tools in their work, this matters because the infrastructure powering those tools has real environmental costs. As AI adoption grows, expect more scrutiny on tech companies' resource use. The cloud isn't just virtual; it has physical impacts.

The broader trend: data center water and energy use are becoming key battlegrounds for regulation and public opinion. Amazon's move to disclose its numbers might be a preemptive step to address concerns before regulators force the issue.

Keep an eye on how other cloud providers respond. Microsoft and Google have also made water commitments, but the true impact of AI data centers is still being measured. This story is just starting to unfold, and it affects every business using AI.