Stories have continued to emerge on how the animal farm factories are draining the state of California dry and remain one of the largest culprits of the water emergency in the state. 80-90% of the US national water consumption is used in agriculture (10%-20% being used for residential and business purposes), and California is no different. 80% of the state's water is used in agriculture and more than half of that is used to grow and slaughter animals. From growing their feed, to giving them massive amounts of drinking water, to constantly washing and cleaning the premises, it is a giant consumption of a resource that the state is aiming to conserve.
Of course, desalination or water condensers could help alleviate the problem by creating more of a supply of water, but the proportion of water use is not debatable. Some factories use millions of gallons of water per day, more than 50,000 10 minutes showers (newer shower heads produce about 2.5 gallons per minute),
According to reports like this one by UNESCO Institute of Water Education, it requires 60% less water to maintain a vegan diet than one involving animals. While articles from the New York Times made claims about how the almonds, oranges and tomatoes are draining the state's supply of water, and the governor asking citizens to cut their water usage by 25%, it is important to keep in mind what the heaviest uses of water actually are.
Here is one concerned citizen from southern California pointing out the massive use of water in animal agriculture
http://theirturn.net/2015/04/07/animal-agriculture-water-shortage
http://www.alternet.org/environment/are-industrial-farms-also-blame-americas-drought