You really think Kalifornians will pay the huge costs of collecting & pumping water from 500, 1000, 1500 miles or farther? Say, 50 cents/gallon? More if the source water isn’t free. Buying the necessary rights-of-way, constructing (in an environmentally sensitive way), staffing and maintaining pipelines is not cheap.
I don’t think so either.
Not to mention, there are really few places that will be willing to give of what water they have, even for fair payment. I live in a state where the water rights are hotly disputed with neighboring states.
This makes about as much sense as those folks proposing to power the world using roadways made of solar cells. No joke, they are dead serious. Deluded but serious.
Water rights are being debated pretty much everywhere. While its not the same fight as out west, there are those here in Michigan who would like us to have meters on private wells.