Right. The water isn't gone from the universe, certainly. But it's gone from the city/county water system. You've then got to wait for it to come back via the n

Right. The water isn't gone from the universe, certainly. But it's gone from the city/county water system. You've then got to wait for it to come back via the natural water cycle. Whereas it's a lot more efficient to keep as much water as possible in the human system and just keep cleaning and reusing it.