Now, with an improvement in our living situation, I want to significantly increase the amount of water we store. We have the room, we have the privacy, and we have a well pump that runs on 240V but we only have a 120V generator. So, I want water around for flushing the toilets, doing the dishes, washing hands, etc when the power goes off (we’re literally the end of the line, so it doesn’t take much).
The problem with the “significantly increase” idea is obtaining containers. Well, not obtaining them, specially, as US Plastics is a reasonable drive from here so I can just go pick things up. It comes back to cost and functionality. My big concern is what size of drums to get. 55 gallon drums are BY FAR the cheapest per gallon. However, they’d be a big mess if one failed, they’re going to be effectively impossible to move when full, and the support structure necessary to raise them above a 5 gallon bucket is significant. They also offer 35, 30, 25, 20, and 15 gallon drums. The smaller you go, the worse the dollar per gallon ratio gets because the price doesn’t drop nearly as fast as the volume. Here’s a chart:
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Capacity (gal) Cost ($) $/gal Weight (lbs) Diameter (in) Height (in) Hvy Dty? 55 $94.36 $1.72 458.095 23.5 36.25 Y 35 $71.67 $2.05 291.515 20.75 31.75 Y 30 $63.03 $2.10 249.87 19.375 29.75 Y 20 $48.09 $2.40 166.58 17.25 26.375 Y 15 $40.69 $2.71 124.935 16 22.75 Y 55 $50.90 $0.93 458.095 23.3 34.9 N
So, the 55 gallon drums I think would be immovable when full (for me). I think there’s a good chance I could tip the 30 gallon drums on their rims and roll them. I’m absolutely sure I could do that to the 20/15 gallon drums. So the smaller ones would at least be mobile. Plus, they’d be a lot less messy if they leaked or, worse, ruptured. OTOH, with a goal of storing 100gal-ish, the 15 galloners are going to cost about $100 more total, which sucks.
What do you guys think about sizes for water storage containers?