A human can only live 3 days without water. Much less if you drink bad water.
5 Gallon Water Storage
Extra Filters
Tarp
Food Grade Buckets
Bathtub Bladder
Water Book
6 Water Bricks
Extra Water Wrench
Berkey Primer
Strainers
Emergency Pouches
Rain Gathering Barrel
10 Water Bricks
Berkey Water Filter
Filters and Flouride Filters
Hand Pump Filter
Life Straw
Towels
Now that you have water, immediate food is needed. 
Food Storage >>