Typically? Maybe in some arid climates without humidity but try using evaporative cooling during a thunderstorm and you'll find your data center shutting down from overheating.
~~70%~~ A large part of water usage in industrial nations comes from electricity generation. That's where data centers consume most of their water.
Edit: 70% is only true for Canada, globally agriculture consumes more. The US for example has ~40% each for agriculture and power generation.
Oh, you're right. I used the Wikipedia article as source and it said:
Yet the previous sentence said this was about Canada. Whoops.
Though in Europe and North America, where a big chunk of data centers are typically built, agriculture tends to have a lower share with industry (including but not limited to power generation) having a bigger one:
https://ourworldindata.org/water-use-stress