You can easily and cheaply bottle your own water. If you rotate it yearly, no additional treatment is needed. If less regularly, get a treatment kit. Aquataine

You can easily and cheaply bottle your own water. If you rotate it yearly, no additional treatment is needed. If less regularly, get a treatment kit. Aquatainers are good for small amounts (and good for camping), but you are likely looking at food grade 55 gallon drums for this kind of scenario.