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How to Keep your Drinking Water Safe after a Disaster

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my house
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By elliotfeldman
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In 2003, our house burned down in the devastating San Diego wildfires. In 2005, we moved to South Florida--two days after Hurricane Wilma. So, how dumb am I, moving from one disaster to another?

During our first two weeks in Florida, we had no electricity and no clean drinking water. Thankfully, we mailed ourselves cases of Crystal Geyser bottled water from California right before we moved.

Now wired to safeguard ourselves against any further natural disasters, we now had to learn as much as we could about surviving a hurricane and its aftermath. One of the essentials is safe drinking water.

Difficulty: Moderate
Instructions

Things You'll Need:

  • An emergency supply of bottled water (if you’re lucky)
  • Unused food-grade plastic containers
  • Bathtub
  • Insulated cooler

    How to Keep your Drinking Water Safe after a Disaster

  1. Step 1

    Keep an emergency supply of bottled water on hand. Many authorities recommend a minimum of two quarts per person per day for a 72-hour period.

  2. Step 2

    If after a hurricane, you don’t have an adequate supply of clean drinking water, you can boil and purify tap water if you have a gas stove. If you have an electric stove, you’ll be out of luck.

    After Wilma, our electricity was off for two weeks.

    With a gas stove, you can purify tap water by heating it to a rolling boil for one to three minutes. One authority, however, recommends 10 minutes at a rolling boil. I'd personally go with 10 minutes.

  3. Step 3

    Normal household chlorine bleach may be used to disinfect tap water, but make sure that the bleach has no extra ingredients like whiteners, brighteners, and scents. To make sure of safety, buy bleach that has only one active ingredient: sodium hypochlorite.

    The recommended measurement is ½ teaspoon for every five gallons of clear water. Use one full teaspoon for cloudy water. Then let the mixture stand for 15 minutes.

Tips & Warnings
  • Chlorine or iodine tablets are a good alternative to household bleach.
  • This is important: Do not boil water until a “boil water” order has been issued by emergency authorities.
  • If you’re re-using a plastic container to store boiled water, make sure that container is “food grade plastic.”
  • Do not let pets drink unboiled tap water.
  • Again, be cautious when mixing bleach and when boiling tap water.
Photo Credit

Elliot Feldman

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