I doubt that using 2-3 times more water would end up being the dominant factor in whether you should move.
What other factors exist that you're considering? Is there a possibility of making more money in the dry climate?
That was pretty much my intuition too, once I actually thought about it.
For context, this is on my mind because I'm graduating from college in a year. I'm still figuring out my values and their relative importances. (I'm going to make a post about it later, if I'm still unsure after talking it over with myself and my friends.) I've heard that the Southwest has a lower cost of living than the rest of the country, and some areas have nice weather, but beyond that I don't know a whole lot about what it's like living there. (I'm on study abroad in Sydney now, ...
You know the drill - If it's worth saying, but not worth its own post (even in Discussion), then it goes here.
And, while this is an accidental exception, future open threads should start on Mondays until further notice.