SOMETIMES IT'S SIMPLE.
There's no reason not to treat water like a commodity. That concept is too charged for Californians, though, which allows Voluntary Xchange to get off the Trenchant Observation of the Day. "One of the third rails in California politics these days is pricing water reasonably. They’ll try just about everything but that." Apparently, including hiring lawn-painters, just like a previous generation of Communists.