prepare.blog
TL;DR For emergency water storage, keep at least 1 gallon of water per person per day and aim for 3 days minimum, with 2 weeks being a better target. Use food-grade water containers or commercially bottled water, store them in a cool dark place, purify questionable water before storage, and rotate supplies every 6 to 12 months.
Water Storage

Water, Water Everywhere: How to Store H2O Without Losing Your Sanity

By Josh Baxter · · 6 min read
Water, Water Everywhere: How to Store H2O Without Losing Your Sanity

Water Storage for Beginners: A Simple Emergency Water Guide

Quick answer

  • Store at least 1 gallon of water per person per day. Start with a 3-day supply; build toward 14 days.
  • Use food-grade, BPA-free containers, pre-sealed bottled water, water bricks, or jerry cans.
  • Keep stored water cool, dark, and sealed. Sanitize containers before filling and rotate supplies every 6-12 months or follow manufacturer guidance.
  • Keep backup purification: a reliable filter, purification tablets, and the ability to boil water.

Direct summary

Water storage for beginners means keeping a safe, usable supply of potable water for emergencies. Aim for 1 gallon per person per day and start with a 3-day supply, building toward 14 days. Use food-grade containers or commercially bottled water, label with fill dates, and have purification backups.

If you want a fast start: buy a few cases of bottled water, add two or three 5-7 gallon food-grade containers or water bricks, store them in a cool dark spot, label each with a fill date, and get a filter or tablets.

Key definitions

  • Water storage: keeping potable or non-potable water on hand for emergencies.
  • Food-grade container: labeled safe for food or drinking water and will not leach harmful chemicals.
  • Rotate: replace or refresh stored water regularly to ensure freshness and container integrity.
  • Purification: methods that kill or remove biological contaminants, such as boiling, filtering, or chemical disinfectants.

Official guidance

FEMA and the CDC recommend at least 1 gallon per person per day for a minimum of 3 days. Fourteen days provides more resilience. Rotate most stored water every 6-12 months; follow product manufacturer guidance when available.

How much to store — practical targets

  • Baseline: 1 gallon per person per day (drinking and basic sanitation).
  • Starter goal: 3 days per person.
  • Better goal: 14 days per person.
  • Store more when you live in a hot climate, perform heavy physical work, are pregnant or nursing, have infants, care for elderly people, have medical needs, or include pets.

Examples:

  • 1 person, 3 days = 3 gallons
  • 4 people, 14 days = 56 gallons

Best containers for beginners

  • Food-grade plastic (water bricks, jerry cans, 5-7 gallon containers with spigot)

    • Pros: lightweight, affordable, stackable.
    • Cons: can degrade with heat or sunlight; heavy when full.
    • Best use: most homes and apartments.
  • Commercially bottled water

    • Pros: pre-sealed and ready to use.
    • Cons: thin plastic, single-use waste, less space-efficient.
    • Best use: immediate readiness and short-term use.
  • Glass

    • Pros: non-reactive and odor-resistant.
    • Cons: heavy and breakable.
    • Best use: small-quantity storage where fragility is acceptable.
  • Stainless steel (potable-rated)

    • Pros: durable and long-lasting.
    • Cons: more expensive and opaque.
    • Best use: portable cans and camping gear.

If a container is not clearly food-grade or not designed for potable water, do not use it.

What to avoid

  • Containers that previously held chemicals or non-food substances.
  • Milk jugs or thin disposable containers for long-term storage.
  • Open buckets without secure lids.

Filling and sanitizing containers: step-by-step

  1. Clean: wash the container with soap and water. Rinse thoroughly.
  2. Sanitize: use a mild bleach solution if the manufacturer allows it. Follow label directions.
  3. Fill: use potable water, ideally municipal treated tap water. Fill to the recommended level to reduce air space.
  4. Seal and label: tighten caps and mark the fill date and any treatment used.
  5. Store: keep containers in a cool, dark place away from fuels, pesticides, and strong odors.

Purification methods and their limits

  • Boiling: kills bacteria, viruses, and protozoa. Boil for 1 minute at sea level; boil longer at higher altitudes. Boiling does not remove chemicals or sediment.
  • Filtration: removes sediment, protozoa, and many bacteria depending on pore size and media. Not all filters remove viruses or chemicals. Check the product specifications.
  • Chemical disinfection: purification tablets or unscented household bleach can inactivate many pathogens when used at correct doses and contact times. Follow product and CDC guidance.

Consult CDC or product labels for exact bleach dosing and contact times.

Storage, rotation, and inspection

  • Rotate stored water every 6-12 months unless the manufacturer specifies otherwise.
  • Store containers in a cool, dark, dry location. Avoid direct sunlight, heat, and strong odors. Do not store water next to fuels or pesticides.
  • Inspect containers regularly for cracks, bulges, leaks, cloudiness, off-odors, or broken seals. If water looks or smells off, do not drink it. Treat or replace the supply.

Easy rotation habits:

  • Rotate in spring and fall or set calendar reminders.
  • Use rotated water for non-potable tasks like watering plants or cleaning when safe, then refill and relabel.

Common pitfalls and fixes

  • Storing too little: start with a 3-day supply and build toward 14 days.
  • Wrong containers: use only food-grade, BPA-free containers designed for potable water.
  • Bad storage location: keep water away from chemicals, heat, and sunlight.
  • Ignoring weight: water weighs about 8.34 lb per gallon. Choose sizes you can lift safely.
  • Not labeling: always note fill date, source, and treatment.
  • Relying on a single method: keep redundancy, for example bottled water plus reusable containers plus a filter or tablets.
  • 1 to 2 cases of commercially bottled water for immediate access.
  • 2 to 4 reusable food-grade containers (5-7 gallons each) or water bricks for home storage.
  • A portable filter rated for protozoa and bacteria for on-the-go or extended outages.
  • Purification tablets or the ability to boil water as a backup.

Quick FAQ — Water storage for beginners

Q: How much water should I store per person? A: At least 1 gallon per person per day. Start with 3 days and work toward 14 days.

Q: What are the best containers? A: Food-grade plastic containers (water bricks, jerry cans), commercially bottled water, and potable-rated stainless steel. Avoid non-food containers.

Q: How do I purify water if my supply runs out? A: Boil, filter, or chemically disinfect. Verify the filter’s capabilities and follow product and CDC guidance for chemical doses.

Q: How often should I rotate stored water? A: Typically every 6-12 months. Follow container manufacturer guidance and inspect regularly.

Q: Is bottled water enough? A: Bottled water is good for a quick start. Combine it with reusable containers and a purification plan for longer outages.

Final steps to get started

Buy a few cases of bottled water. Add one or two 5-7 gallon food-grade containers. Get a reliable filter or some purification tablets. Label everything and pick a cool, dark place for storage. Small actions now make a big difference later.

Related Articles