Here in the South Central Valley of California, we get 6" to 8" per year. This is considered a good year. People often had cisterns on their property that used well water, and were gravity fed into their homes.
This water tower used to stand by the SP, where Seventh Standard Road meets Freeway 99 in Bakersfield, California. It had nothing to do with the railroad. I was told it had been in the middle of an old trailer park. It was torn down many years ago, but I managed to measure and draw it while it stood.
This is about a 2 hour project, maybe less if I produce kits for it. Is anyone interested?