Certainly farmers are major users of water in California, but do you know how you contribute? Look at this graphic which describes how it requires 800 gallons of water to produce just one bacon cheeseburger:
You can learn more about the water footprint of various products here:
http://www.waterfootprint.org/?page=files/productgallery
Here is an excellent article with an info graphic on the severity of the California drought and the impact of pumping on aquifers. This only stands to get worse if it doesn’t start raining: