Hurricane Matthew: How to Make Water & Food Safe

2.5 million people are expected to be without power once Hurricane Matthew hits the U.S. When the hurricane is over, is tap water safe to drink or take a shower in? What about food in our refrigerator or freezer? - Hurricane Matthew - Worry of Water-spread Diseases

Hurricane Matthew: Water Safety After a Hurricane

How do you know if water after Hurricane Matthew is healthy to drink or bathe in? Officials say listen to local announcements on whether your local well or tap water is safe straight from the source.

If you can’t get bottled water and tap water safety is not yet verified clean, purify your drinking water. Here are three ways to do that:

  1. Boil water vigorously for one to three minutes (boil longer for higher altitudes – three minutes for altitudes above 1 mile).
  2. If you can’t boil water, add eight drops (an eighth of a teaspoon or 0.75 milliliters) of newly purchased, unscented liquid household bleach per gallon of water, stir it well, and let the water stand for 30 minutes before you use it. This should get rid of any bacteria in the water but won’t kill parasites. Remember that public drinking water is chlorinated or “bleached”. The bleach is diluted enough for human consumption when water is not guaranteed to otherwise be potable.
  3. Water-purifying tablets are another option. Look for them at pharmacies or sporting goods stores.

Hurricane Matthew: Food Safety After Floods and Hurricanes

According to FEMA and FDA recommendations, if flooding has occurred, immediately evaluate your supply of stored food.

  • Perishable items (like meat, poultry, milk, seafood, and eggs) that are not properly frozen or refrigerated may make people sick, even if those foods are cooked thoroughly.
  • Don’t eat any food that’s come into direct contact with floodwater.
  • Throw out food that’s not in a waterproof container if there’s any chance floodwater touched it. That includes food containers with screw caps, snap lids, and home-canned foods.
  • Undamaged, commercially canned foods can be saved. Here’s how:
    • Remove the labels
    • Thoroughly wash the cans
    • Disinfect the cans with a quarter of a cup of bleach per gallon of water.
    • Relabel the cans with a marker. Include the expiration date.
  • Get rid of wooden cutting boards, plastic utensils, baby-bottle nipples, and pacifiers. They can’t be safely cleaned if they’ve been touched by floodwater.
  • Thoroughly wash metal pans, ceramic dishes, and utensils with soap and hot water. Then sanitize them by boiling in clean water or immersing them for 15 minutes in a solution of a quarter of a cup of chlorine bleach per gallon of water.

Hurricane Matthew: Keeping Food Safe During Power Outages

  • Keep refrigerators and freezers closed to help them stay cold inside.
    • Consider placing an appliance thermometer in your freezer, to help you judge whether your foods are safe to eat.
    • An unopened refrigerator will stay cold for about four hours.
    • An unopened full freezer will hold its temperature for about 48 hours (24 hours, if it’s half full).
  • Dry or block ice can help, if you stocked up before the power cut. Figure on 50 pounds of dry ice to keep an 18-cubic foot, fully stocked freezer cold for two days.
  • If you plan to eat refrigerated or frozen meat, poultry, fish, or eggs while they’re still at safe temperatures, cook them thoroughly.
  • Wash fruits and vegetables with water from a safe source before eating.
  • For formula-fed infants, use prepared, canned baby formula that requires no added water, if possible. For concentrated or powdered formulas, used bottled water if the local water source might be contaminated.

Hurricane Matthew: After Power Outages

  • If you kept an appliance thermometer in your freezer, check it. If it’s 40 degrees Fahrenheit or below, the food is safe and may be refrozen.
  • No thermometer in the freezer? Check each package of food. Look for ice crystals – a sign that the food is still safe.
  • Don’t judge solely by smell or appearance.
  • Refrigerated foods should be safe as long as the power is out for no more than four hours.
  • Discard any perishable foods (such as meat, poultry, fish, eggs, or leftovers) that have been above 40 degrees Fahrenheit for two hours or more.


One thought on “Hurricane Matthew: How to Make Water & Food Safe

  • October 13, 2016 at 2:14 am

    I live in Fayetteville, NC and have been told to boil my water now that it is back on again. What I do is boil it for 5 min.s and then strain it through ZERO water filters


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