I think this will be the fate of many cities in the Southwest unless more water sources can be found.
The cities in the Southwest are bound to be extinct. The whole region is barren. It should never had been civilized except for a mine here and there.
The legislature of WA laughed him out of town. Subsequently a million or so people moved from Cal to Seattle area.
Now this is probably not cause and effect, but it is an example of what will happen. Either move the water to the people or the people will move to the water.