Get Iowa to grow your almonds which alone would solve the water problem. Almonds are by far the top crop in California in terms of both acres harvested and production value. The most recent data shows there were about 1.25 million acres of almond trees, the production value for which is more than $5.6 billion. [0]. Almonds make up almost 13 percent of the California's total irrigated farmland using 9 percent of the state's ag water.

[0] https://www.sfchronicle.com/bayarea/article/Less-rice-more-n...