It works just fine, but it's expensive and requires a lot of power as well as access to an ocean. You can read about the one that San Diego uses for something

It works just fine, but it's expensive and requires a lot of power as well as access to an ocean. You can read about the one that San Diego uses for something like 7% of total water needs here: https://www.carlsbaddesal.com/ https://www.carlsbaddesal.com/ and here: https://en.wikipedia.org/wiki/Claude_%22Bud%22_Lewis_Carlsbad_Desalination_Plant https://en.wikipedia.org/wiki/Claude_%22Bud%22_Lewis_Carlsba...