Comment by Betelbuddy

Data centers consume...a lot...of water by design, recirculated water, does not means no water consumption. Water must be continuously added in evaporative cooling systems used by many data centers.

[1] - Cooling towers reject heat through evaporation, which uses water, not just recirculates it. Evaporated water is lost to the atmosphere and must be replaced with "make-up" water. As a result, recirculating cooling loops still require new water input to make up evaporation and blowdown losses.

[1] - https://en.wikipedia.org/wiki/Cooling_tower