As an extreme drought grips California, making water increasingly scarce, thieves are making off with billions of gallons of the precious resource, tapping into fire hydrants, rivers, and even small family homes and farms. State and local officials say water theft is a long running-issue, but the intensifying drought has driven the thefts to record levels as reservoirs dry up and bandits make off with stolen water, often to cultivate the growth of illegal marijuana crops.