You do realize that agriculture uses 80% of the (mostly free) developed and deliverable water, while urban cities use about 10%?
That's true of basically all of the West and the Colorado River, too.
That's true of basically all of the West and the Colorado River, too.
And yes, I do get the point that if you suggested we build $6B desalination plants to grow lettuce people would balk and say, "That's not worth the money!". We should use less water on crops.