(Kelly of the Clue Crew reports from  White Sands National Monument, New Mexico.)  In desert conditions, you need at least one gallon of water per person per day, have reusable water containers, & a tincture of a small percentage of this to purify the water
... First, on using used 
containers: even if the container is rated as food grade and you thoroughly 
clean and disinfect it, ... Where to get water in Reno, Sparks and Gerlach?