There are various data center cooling techniques, and not all of them use water. As a result, water usage, and water usage efficiency, vary wildly: https://dgt

There are various data center cooling techniques, and not all of them use water. As a result, water usage, and water usage efficiency, vary wildly: https://dgtlinfra.com/data-center-water-usage/ https://dgtlinfra.com/data-center-water-usage/ https://datacenters.microsoft.com/sustainability/efficiency/ https://datacenters.microsoft.com/sustainability/efficiency/