10 aquatainers for a month = 70 gallons = less than one gallon/day per "person" counting the dog as 0.5 of a person. I guess that's enough for drinking but don't count on it lasting a month if you wash anything, flush the toilet, etc. If you really want a month worth of water you might look into a cistern or other large tank (like 1000 gallons) or possibly a small swimming pool. Aquatainers are probably the best way to store 70 gallons of water.