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Water Storage For The Home And The Homestead

Avatar for Chris Thompson Chris Thompson  |  Updated: December 13, 2021
Water Storage For The Home And The Homestead

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If you are fortunate enough to have a well or some other stable, reliable source of off-grid water, you probably can stop reading. Or should you? When it comes to storing water for emergencies or a SHTF situation, nobody can be certain of the reliability or safety of their water supply. While humans can go a long time with little or no food, the same cannot be said for water, and that is why an emergency store of water is one of the most important supplies you can have on hand.

But how do you store water for the long term? How much should you store? And how do you keep it sanitary and clean? These are all important questions with fortunately very simple answers, that will set you down the path of full self-sufficiency in the event of a grid-down emergency.

How Much Water Should I Store?

A general rule is one gallon per person per day. When I lived off grid on my sailboat, that was a common one, that allowed half a gallon for drinking and half a gallon for minimal basic sanitation. A better option was two gallons per day, which allowed for more cleaning and drinking water.

However, this general rule probably is almost useless as a real-world guide. The temperature, your physical health, size, diet, and other factors all determine how much water you need to have on hand for sanitation and drinking. And don’t forget your pets and other animals while you are at it!

I’m not going to tell you a magic amount of water per day to store per person. The best way to figure that out is to carefully measure the amount of water you use for drinking and cooking each day, average it out, and add a bit extra as a margin of error. Allow for the fact that in hotter weather you may need a gallon or more just for drinking. If you are relying on freeze dried foods in your preps, allow extra water just for preparing your food.

Sanitation allows for the bare minimum of washing hands and other important parts of your body. It does not allow for showers or toilet flushing. However, you can flush toilets with non-potable water, or in an emergency use an outdoor latrine.

The bottom line is the amount of water you need per day at a minimum depends on you and you alone. Once you’ve figured out that daily amount, then it’s time to start storing.

A minimum of three days stored water is a good idea but presumes an ideal circumstance where emergency response crews can restore utilities, or start distributing stores of water. A week is good, two weeks is better, a month is fantastic, more than it is amazing. How much you store depends on how much space you have to store it in. Try for at least a week though, it gives a better margin in an emergency.

How Do I Store Water?

The simplest way is to simply buy commercially bottled gallon jugs and cases of bottled water. While more expensive, it gives you a pure product in sealed containers that can easily fit in closets, under beds, or in other handy locations. Just choose a cool, dry place and avoid excessive heat or cold, and you are done!

Another option which I like is to buy dedicated water jugs. These can be more expensive up front than a similar amount of commercially bottled water, but offer benefits of better container strength, portability, superior reusability, convenience, and are a better choice if you have to transport stored water in an emergency. These tough containers will fare better than flimsy water bottles.

The upside to a 55-gallon drum system is that if you have the room, you can easily store a generous supply of water for multiple people. They are great for storing in a garage, or as a storage solution for your off-grid homestead.

There may be other options, like repurposing marine or RV water tanks for stationary storage, but for the most part, these three primary choices are the well-equipped prepper’s best choices. Personally, I’d opt for the 7-gallon jugs, but that’s because they best suit my personal uses. I mix them up with a couple of cases of bottled water and a couple of one-gallon jugs and feel quite secure with my emergency water supply.

How Do I Keep My Water Clean?

If you are storing commercially bottled water, then you have nothing to worry about as long as the seals are unbroken. But if you are filling up drums or jugs, then you are right to worry about your water going bad.

Presuming you are working with a sanitary source of water in the first place, and your storage vessels are clean and sealed from the outside, you can keep water for a few days or weeks under good conditions without worrying. Rinsing your drum or jug out with bleach water to kill germs, and wiping down spigots and the like with bleach water will give you a clean container to start with.

Adding a small amount of non-perfumed bleach will disinfect water for storage. There are other ways that some consider superior, but any of these will work.  There is no hard and fast rule for how long you can safely store water in drums and jugs. It depends on how well you purified the container, how clean the water was that went into them, and how sealed they are from the outside.

It is said that travelers used to put silver coins inside water barrels as a way to kill germs in water, but I wouldn’t rely on that when there are better choices.

Changing out your stored water every 3-6 months is going to be your best bet for ensuring a constant supply of safe water (commercially bottled water can last longer, longer even than the expiration date marked on the container.) and you can always filter and boil it if you still feel unsure about its safety.

Another option would be to can your own water in mason jars, but that is time-consuming, takes up space, and should only be considered if you have no other option available. The most important step you can take is to store water. It can always be cleaned and purified before use if needed.

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Storing at least a few days of water for your family and animals is a crucial part of your long term survival plans. Without it, you are at the mercy of others or are doomed. Each gallon of water you store gives you that much of an edge during an emergency. Looking at how confused and hectic things are after a disaster, do you really want to rely on the government to bring in emergency water supplies? I sure as heck don’t!

How much you store, and how you do it will depend on where you live, your budget, and the practical aspects of storing large amounts of water. Don’t forget that if you have a hot water heater, that will also be a source of potable water during a grid-down emergency. This can provide several days worth of drinking water, and for the first few hours after the grid goes down, can probably save you on fuel by still being warm enough to make freeze-dried meals with.

Even if you have a well, or access to a stream or lake, storing potable water gives you an edge during a disaster. Having clean, drinkable water already on hand means you have one less thing to deal with while coping with an emergency. It also protects you in case your well pump breaks, or there is a problem with groundwater supplies. If you rely on a lake, river or stream, having stored water is a shield against drought or a sudden outbreak of disease or pollution in whatever body of water you normally use. Having a backup is always prudent, and being aware of the possible shortcomings of off-grid water supplies is a must.

Fortunately, putting water aside isn’t terribly difficult or expensive. You can start small by buying a couple of gallons of bottled water every week, or just go straight to the 55-gallon drum, and go that route. There is no wrong way as long as you are putting water aside for emergency use. With a little luck, you’ll never have to call on your water stores, but if you do need them, you’ll be glad you have them!

Author’s Bio

Steve Coffman is a freelance writer and consulting historian. He has a BA in US history from The Evergreen State College and lives near Tacoma, Washington. He collects antique telephone insulators and is presently researching labor union relations in Washington State during WWI.

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9 Responses to “Water Storage For The Home And The Homestead”

  1. Hello, clear water is very important for survival. But I do not think it is right to store water in special tanks in your home. Since, due to various factors, the quality of the water may deteriorate and the water won’t be suitable for drinking. Also, if you live in regions with cold winters, storing water can be very problematic. Therefore, a more appropriate option would be to create several sources of drinking water for your home. In addition to several sources of water supply, you should have several sources of electricity and heat. Such solutions can be useful in any emergency, not just for survival.

  2. One thing to remember is how you use today’s supply of water, that stuff coming out of the tap. The first tip is: continuous flow usage rather than batch.

    You won’t run the dishwasher every day, but letting dirty dishes – or dirty laundry – pile up for “washing day” may bite you someplace where it hurts. If Tuesday is Wash Day and your piped-in water supply is disrupted on Monday, ooops. If, however, 1/7 of the clothes are washed each day the “failure exposure” is limited.

    Another tip is look for ways to not use water. For example, do you want to use precious drinking and hygiene water for washing dishes, or shift to disposable plates, cups and flatware. There will always be some dish washing need – it’s impossible to cook dinner over campfire flames with paper pots – but some extra rolls of aluminum foil to line pans with means “no wash, just crumple and discard.” Pro tip: restaurant supply houses sell long rolls (often 500 ft) of extra heavy foil at good prices.

  3. it’s true that silver can’t remove chemical contaminants. but most of the cheaper water filters (which is all many preppers can afford) can’t either.

  4. As Nancy mentioned, don’t use milk containers for potable water storage. You certainly can use them for non potable usage, but they will degrade much more quickly than other containers. (It’s also difficult to get them truly clean) Two liter soda bottles, well cleaned and disinfected, are much better. Same with juice bottles, and some of the prebottled water jugs (for example, I use and store water in Crystal Geyser gallon bottles). There is a product out there, I believe called aquablox, that are food grade and stackable, I’ve never used but have seen good reviews. For shorter term issues and storage, don’t forget about a water bob, which will enable you to use your bathtub for water storage. Always have a way to purify your water, be it filters, additives (bleach, iodine, water purification tablets). Water doesn’t ‘go bad’ (as long as it is stored properly and is clean when it gets stored), but can ‘get stale’-easy fix, it just needs ‘re oxygenated’, pour back and forth between two containers a couple of times.

  5. Most bottled drinking water comes in a bottle made of a type of plastic that leaches plasticizer into the water. It is easy to smell or taste plasticizer. The only kind of plastic that does not contain plasticizer is PETE. This is the primary reason that almost all of the companies that sell consumable liquids in bottles use PETE, whose recycle code number is 1. For some reason (that I have yet to ascertain) PETE bottles cannot be made with reach-through handles, so the most you’ll find is a grip. The only gallon PETE bottles I’ve found have sling-style handles taped onto them.

  6. I have not seen the use of hot tub water as an emergency supply discussed. I am thinking use of a water filter like a Berkey might be a great way to make use of my 500 gallons of hot tub water. At worst I know it could be used for flushing toilets, but it sure looks like great storage in an emergency.

  7. I’ve spent life in a travel trailer for extended periods hauling in my water needs. I used 2½ gal/day for myself, 8-10 gals/day for a family of 6, not including showers. The only time one can have too much water is when it must be moved. A 5 gal/42 lb jug proved to be too much for my 70 yo bride to move. So I had to look around for containers large enough she could carry–about half that size.

    Store all that reasonably can be, and keep means on hand to make water potable. One can never have enough of it in times of stress.

  8. 1. don’t use translucent plastic containers for water storage (milk jugs, for example)–they will start leaking in a few months. always use clear plastic or glass, stainless steel, etc.
    2. there are better choices than silver for purifying water? i don’t see how. a silver coin (or other piece of silver) doesn’t make the water taste bad, is very portable, never wears out or needs replacing, creates no waste and costs nothing to operate. you have to spend money initially, of course, but after that it’s free. people have used silver for this purpose for centuries (or longer), but i can’t find information online about how to use it, how much silver purifies how much water, how long it takes, and so on. i suspect the manufacturers of water filters don’t want the information there. perhaps i’m being paranoid, but the fact remains that silver could be a fantastically useful prep if only we knew how to use it.

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