That’s because there wasn’t 20,000,000 people living in the middle of the deserts near the San Gabriel Mountains.
You overbuild, and this is what happens. We had a pretty serious drought in CA in the 1970’s too. Seven years in NorCal of rain less than 10 inches or so.
This is going to happen in CA. But hey, go ahead and build that new Intel plant in San Jose. They’ll find the 4M gallons per day of water somewhere.
LOL....I watched Intel open their first facility in Mt View while working at National Semiconductor.... just down the road.