Gotcha covered--I asked mine that a few years ago, as she unloaded an SUV-full of gallon jugs.
Her authoritative answer: "I don't know why, Honey, but the Director of Homeland Security said to stock up on bottled water!"
Where are you, SouthTexas?
We have the freezer full, as full as can be, with clean milk jugs filled with water. Will hold the cold and you can drink it if needed. Duh. Now more?LOL
Will you put your location in your tagline?