I did that when I lived out west. It was Utah, not CA, but I did sell my water rights to the city. There were a few catches to the process: I had to not want th

I did that when I lived out west. It was Utah, not CA, but I did sell my water rights to the city. There were a few catches to the process: I had to not want the water anymore, and the city had to have the funding available to make the purchase. While simple, those two things can certainly be large blockers to cities buying rights.