> More generally, perhaps measuring dollar-of-GDP-per-gallon-of-water or some such may be of some use to prioritize which crops should be discouraged may be wor

> More generally, perhaps measuring dollar-of-GDP-per-gallon-of-water or some such may be of some use to prioritize which crops should be discouraged may be worth examining. The normal way to "measure" and "discourage" such inefficient things is by prices. However, the price of California water is inordinately cheap so long as you are dumping it on the ground in the desert.