Most of the water use is in evaporative cooling. Not really a way to re-use water that's now in the air. This, in part, is how Google gets an average PUE of 1.

Most of the water use is in evaporative cooling. Not really a way to re-use water that's now in the air. This, in part, is how Google gets an average PUE of 1.1. Which is _really_ good compared to typical.