Water-guzzling data centers spark worries for Minnesota’s groundwater

Minnesota is one of several U.S. states where companies are building mega-scale data centers to keep up with the explosion of artificial intelligence and cloud computing.

Many data centers use water — sometimes in large amounts — to cool their equipment. That’s raising some concerns about their impacts on the state’s groundwater supplies.

A single large data center can use as much water as thousands of homes, or “equivalent to a city,” said Carrie Jennings, research and policy director at the nonprofit Freshwater. 

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