Data centers use ~1 km³ of water a year vs hundreds for households — the clash is location, not volume
AryHHAry · x · 2026-10-09
Answering a question about household vs data center water use: global households consume hundreds of km³ per year, while data centers — even counting cooling water — stay around 1 km³ or less.
The author argues what makes data centers feel water-hungry isn't total volume but concentration: one campus, one pipe, running 24/7 in the same season and region as farms and homes. The real conflict is siting, not quantity.
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