California is in the process of building a series of massive ocean desalination plants on a scale not seen before in the United States.The desalination plant will produce 50 million gallons of drinking water. A "scale not seen before in the United States". They say this like since the USA has never built anything this big it must be REALLY BIG.
But let's look at other countries. Especially Saudi Arabia which has been doing desalination for decades. This article mentions that presently, Saudi Arabia uses desalination to produce what calculates out to 1.1 TRILLION GALLONS per day.
The desalination we plan on doing here in the USA is PEANUTS.
Here's the video about the Carlsbad, CA desalination plant: