Preparedness Series: WATER


Water is the MOST critical survival resource. A human can survive weeks without food but only days without water. Here’s how to prepare:

  1. Stockpiling Water
    • Minimum Requirement: Store at least one gallon per person per day for at least two weeks.
    • Storage Options: Use food-grade containers, sealed bottles, or large water barrels (55-gallon drums work well).
    • Rotation Matters: Store in a cool, dark place and rotate every six months to prevent stagnation.
  2. Purification Methods
    • Boiling: The simplest and most reliable method—bring water to a rolling boil for at least one minute.
    • Filtration Systems: Portable filters (e.g., LifeStraw, Berkey) remove bacteria and protozoa.
    • Chemical Treatment: Household bleach (unscented) can disinfect water—use 8 drops per gallon and let sit for 30 minutes.
    • UV Light Sterilization: Devices like SteriPEN use ultraviolet light to kill pathogens.
  3. Alternative Water Sources
    • Rainwater Collection: Use food-safe barrels to collect and filter rainwater.
    • Lakes, Rivers, and Streams: Always filter and purify before consumption.
    • Well Water: If using a private well, ensure it has a manual pump backup in case of power outages.
  4. Water for Hygiene & Sanitation
    • Non-Potable Water: Store extra for bathing, cleaning, and toilet flushing.
    • Hand Sanitizer & Wet Wipes: Reduce water usage for personal hygiene.
    • Portable Toilets & Waste Disposal: Plan for sanitation when plumbing fails—composting toilets or lined buckets work in emergencies.
  5. Long-Term Water Solutions
    • Desalination (If Near the Ocean): Some portable devices remove salt and make seawater drinkable.
    • Solar Still: Uses evaporation to purify water—slow but effective.
    • Community Water Plans: If living in a drought-prone area, consider neighborhood-level water storage solutions.
  6. Backup Water Supplies
    • Bottled Water: Keep extra cases in case your primary supply is compromised.
    • Water Bladders: Bathtub bladders (e.g., WaterBOB) store emergency water quickly.
    • Hidden Sources: Water heater tanks and toilet tanks (not the bowl) hold emergency water.
  7. Know Your Weak Spots
    • Filtration Knowledge? A water filter is useless if you don’t know how to maintain it.
    • Backup Plans? What happens if your main water source is contaminated?
    • Mental Preparedness? Panic leads to dehydration—know your plan and act quickly.

Final Note: In many short-term disasters or temporary service interruptions, water supply remains intact. Water infrastructure is typically one of the last services to fail in a crisis. However, in large-scale or long-term emergencies, access to clean water can become a major concern. While it’s unlikely that most people will ever face a total loss of water access, preparing for worst-case scenarios ensures peace of mind and maximum readiness.

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My name is Ava Wells and I’m a skincare lover with a Ph.D. in Pharmaceutical Sciences at the University of Glasgow.

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