As the climate becomes more unpredictable, it is important for us to know what food is safe to eat after a power outage, flood, or fire. Being prepared and knowing important resources can help give you and your household control over an overwhelming situation.
Power outage: The Basics
During a power outage you want to keep the refrigerator and freezer doors closed as much as possible.
- A refrigerator will keep foods cold for about 4 hours if doors are closed
- A full freezer will hold its temperature for 48 hours (24 hours if half full)
- DO NOT use winter weather such as snow or ice as a temporary refrigerator or freezer. Food outside can become contaminated or attract animals.
You may want to buy an appliance thermometer for your refrigerator and freezer to help you know when certain foods should be thrown away once the power is restored.
- Freezer: Foods with ice crystals, or completely thawed is safe to re-freeze.
- Freezer: If the freezer is between -20°F to 40°F it is safe to re-freeze food.
- Refrigerator: If perishable foods (such as meat, eggs, leftovers, etc.) have been held at temperatures above 40°F for 2 hours or longer, then throw those foods out.
- Never taste food to decide if it’s safe to eat. When in doubt, throw it out!
Why 40°F?
Most bacteria cannot grow at temperatures at or below 40°F. That is why you see 40°F as the temperature to determine refrigerator food safety.
Be prepared
Some households may find it helpful to have bottled water, non-perishable food items, as well as ready-to-eat infant food and pet food available.
Resources
- To learn more about safe food during an emergency, such as a flood or power outage, see:
- Video: Food Safety During Power Outages
- Food safety during and after an emergency
- Food, Water, Sanitation, and Hygiene Information for Use Before and After a Disaster or Emergency
- Keeping Food Safe During an Emergency
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