How to Store Water Right, So Your Family Is Never at Zero
By Larry Betz | Prepared Not Paranoid https://www.preparednotparanoid.com/
A case of bottled water in the garage isn't a water plan. By the time a storm is on the news or a main breaks, the store shelves are empty. Stored the wrong way, water can pick up chemicals from heat, grow algae in the light, or get contaminated by a container that was never cleaned. Stored the right way, it's one of the cheapest, simplest things you can do to protect your family.
In Part 2, you figured out how much water your family needs: at least 1 gallon per person per day, for at least 14 days. Now let's store it.
Your Water P.A.C.E. Plan
If you read my Food PACE Plan in Nutrition Basics, this will look familiar. PACE stands for Primary, Alternate, Contingency, and Emergency. It means you always have a next layer, so your family is never at zero.
Here's how the four layers work.
The goal: when one layer fails, you already know what comes next.
Pre-Bottled Water
One of the simplest and most accessible options for emergency water storage is store-bought bottled water. The CDC calls unopened, commercially bottled water the safest and most reliable emergency water supply. But a few things affect its quality over time: the type of plastic, how you store it, and the date on the bottle.
First, check the date on the bottle and follow it. The water itself doesn't spoil, but plastic can break down over time and affect taste and quality. Choose bottles with a distant date. Store bottled water in a cool, dark place, ideally 50 to 70 degrees, away from direct sunlight and heat. Keep it away from gasoline, pesticides, and cleaning chemicals, because fumes can pass through plastic. Before storing, check bottles for cracks, leaks, or damage. Never leave cases of water in a hot car, garage, or shed for months. Here in Arizona, heat speeds up the chemicals moving from plastic into water.
The microplastics problem: In 2024, Columbia University researchers found about 240,000 tiny plastic particles in an average liter of bottled water, and about 90% were nanoplastics, small enough to enter cells. That's far more than earlier estimates. Bottled water is great for emergencies, but for everyday drinking, filtered tap water in a glass or stainless steel bottle is a better choice.
When relying on bottled water for emergency storage, be realistic about how much your family will need and how much space it takes. Remember, the minimum is 1 gallon per person per day. That adds up quickly for larger families, and a two-week supply takes a lot of room. Think about where you'll keep it and whether larger containers or purification methods might be more practical. Rotate your stock by using the oldest bottles first and replacing them before the date on the bottle. Planned well, bottled water is an effective and hassle-free part of your emergency water plan.
Water Storage Containers
Now that you understand how to get clean water and calculate your family's needs, the next step is choosing the right storage containers. Proper storage keeps water clean and safe over time. Consider material, size, durability, and design, and always clean and sanitize containers before you fill them.
Here are the rules I follow.
Replace stored tap water every 6 months. Label every container "Drinking Water" with the date you filled it, and set a calendar reminder. Commercially bottled water follows the date on the bottle.
Clean and Sanitize Containers
Cleaning and sanitizing your water storage containers before filling them is essential to prevent contamination. Use a sanitizing solution of unscented liquid household bleach and water.
Steps to Clean and Sanitize a Water Storage Container
Step 1: Wash. Wash the container with warm, soapy water and rinse it thoroughly.
Step 2: Mix the sanitizer. Mix 1 teaspoon of unscented liquid household bleach (5% to 9% sodium hypochlorite) into 1 quart (4 cups) of water.
Step 3: Shake. Pour the solution into the container, cover it tightly, and shake well so it touches all inside surfaces.
Step 4: Wait. Let it sit for at least 30 seconds, then pour it out.
Step 5: Rinse. If you want, rinse with clean, safe drinking water from a kitchen faucet (never a garden hose) to remove any bleach taste.
Step 6: Dry. Let the container air-dry completely before filling it.
Step 7: Fill. Fill it with safe water from your city supply, a tested well, or water you've already treated.
Step 8: Seal and label. Close it tightly and label it "Drinking Water" with the date.
When you use your stored water: Use a clean scoop or pour from a spigot. Don't touch the water or the inside of the container with your hands.
Following these steps keeps your stored water safe and reduces the risk of bacteria or contamination.
Choosing the Right Container
Choose food-grade, BPA-free containers made for water storage. Look for the recycling code #2 (HDPE), which is what most good water containers are made of. The CDC says never to reuse containers that held toxic chemicals like bleach or pesticides, and to avoid glass, which can break. Milk jugs are also a poor choice, because they're hard to clean and break down quickly. Opaque blue containers block light, which keeps algae from growing.
Consider the weight when full. Water weighs about 8.3 pounds per gallon, so a 5-gallon container weighs over 40 pounds and a 10-gallon container over 80 pounds.
Mix sizes: big containers for storage at home and smaller ones you can carry if you have to leave.
AquaBrick Water Storage Container: A versatile, durable option for water or food storage. It's made from thick, high-density polyethylene (HDPE), BPA-free, and built to resist crushing. Its stackable design fits closets and under beds. Each AquaBrick holds 3 gallons of water or 20 pounds of food, with two built-in handles for carrying and pouring. It's easy to clean and sanitize.
RotopaX Water Storage Container: A rugged option made for adventure and preparedness. RotopaX containers stack and mount securely to vehicles, making them an excellent addition to a Mobile Command Center or off-grid setup. They hold 2 to 4 gallons. They're made from BPA-free, UV-resistant HDPE and rotationally molded for strength, so they hold up in harsh conditions. Each includes a pour spout and a sealed gasket to prevent leaks, which is ideal for off-road travel, camping, overlanding, and evacuation.
Backpack with Hydration Bladder: An excellent tool for both preparedness and everyday outdoor use. Most bladders hold about 3 liters (just under a gallon), enough for roughly a day of moderate activity. If you have to evacuate on foot or walk a long distance for help or supplies, water on your back keeps your hands free and keeps you moving. Keep a hydration pack clean and ready to fill and go. Clean and dry the bladder after each use so mold doesn't grow.
Zipcase Water Storage Bladder: A practical solution when you have warning that the water may go out, like a hurricane, winter storm, or planned shutoff. It's made from heavy-duty, food-grade plastic and holds up to 100 gallons in a standard bathtub. When not in use, it folds up small. Follow the manufacturer's guidance on how long water stays fresh in the bladder, and treat the water with bleach if you need to keep it longer. Use the water for drinking first, then for flushing and cleaning.
30-Gallon Stackable Emergency Water Storage Tank: A durable, space-efficient option for long-term water storage. It's made from heavy-duty, BPA-free, food-grade plastic and holds a substantial reserve while staying more manageable than a 55-gallon barrel. Its stackable design maximizes space. It can be stored indoors or out, but filled, it weighs about 260 pounds, so put it on a level surface that can support the weight. It has a built-in metal spigot with a hose fitting for easy dispensing and a 2-inch top opening with a secure cap. It includes a water treatment kit to help keep water safe over time. Keep outdoor tanks out of direct sun.
What about copper? Copper cups and bottles are popular for drinking water, and they're fine in small, careful amounts. But they're not for storage. Water sitting in copper for days or weeks picks up more and more copper. For anything you store, use food-grade plastic containers. (See the water trends section in Part 3.)
When It's Time to Rotate
Rotating doesn't mean pouring water down the drain. When your 6-month reminder comes up:
Use the old water to water plants, wash the car, or fill a bucket for flushing.
Clean and sanitize the container using the steps above.
Refill it, relabel it with the new date, and set your next reminder.
A good habit: rotate your water when you change your clocks for daylight saving time, so it happens twice a year without thinking about it.
Ask Yourself
Is my stored water somewhere cool and dark, or is it baking in the garage?
When was each container filled, and does it have a date on it?
Did I sanitize my containers with the right amount of bleach?
If we had to leave on foot, which water could we actually carry?
Remember
Store it clean, store it cool, and rotate it every 6 months. Use food-grade containers, keep some water you can carry, and know your next layer when the stored supply runs out.
Get Started Today
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Go Deeper
The Prepared Not Paranoid Family Nutrition Guide. This post shows you how to store water. The guide puts your water and food storage into one plan, with the 30-Day Food and Water Calculator, the Shelf-Life Chart, a Rotation Log to track every container, and the Emergency Water Purification Card for the day your stored supply runs out. [Get it here: LINK]
Tools I recommend: The AquaBricks, RotopaX containers, hydration packs, bathtub bladders, and water storage tanks I recommend are in my Amazon store. https://amzn.to/4yM747h
Related reading:
Safe Drinking Water, Part 2: How Much Water You Need and How to Make It Safe https://www.preparednotparanoid.com/pnp-library/water-intro
Safe Drinking Water, Part 3: Filters, Purifiers, and Water Trends https://www.preparednotparanoid.com/pnp-library/water-filters-and-trends
Nutrition Basics, Part 17: Your Family Food PACE Plan
Toxic Chemicals to Avoid, Part 6: Microplastics https://www.preparednotparanoid.com/pnp-library/toxic-chemicals-lesson-1-9axkp-mxse9-ekwcw-bdger
References
Centers for Disease Control and Prevention. Creating and Storing an Emergency Water Supply.
Centers for Disease Control and Prevention. Making Water Safe in an Emergency.
Ready.gov. Water.
FEMA. Food and Water in an Emergency.
Qian N, et al. Rapid single-particle chemical imaging of nanoplastics by SRS microscopy. Proceedings of the National Academy of Sciences, January 2024.
Disclaimer
This article is for general informational and educational purposes only. It is not medical advice. Always follow the manufacturer's instructions for your containers and the CDC's guidance for storing and treating water. Affiliate disclosure: I've linked to products from my Amazon store that I personally recommend. As an Amazon Associate, I earn from qualifying purchases, at no extra cost to you. Thank you for supporting my work.
If someone swallows bleach or shows signs of severe dehydration, call 911 or Poison Control at 1-800-222-1222.
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