SESKStuff Everyone Should Know
SESK: Stuff Everyone Should Know · sesk.info/trav-boil-time

How long should you boil water to make it safe at normal elevations, per CDC?

Boil 1 minute (3 minutes above 6,500 feet).

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  1. 1 minute at a full rolling boil ✔
  2. 10 seconds
  3. 30 minutes

Why: Boiling is the best method to kill germs. Bring it to a full rolling boil for 1 minute. Above 6,500 feet, boil for 3 minutes.

Huh, didn't know that: CDC says to let boiled water cool before using it.

The dad joke
RIP to boiling water. You will be mist.
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References

Answer: 1 minute at a full rolling boil. Boiling is the best method to kill germs. Bring it to a full rolling boil for 1 minute. Above 6,500 feet, boil for 3 minutes.

  1. CDC Travelers' Health: Water Disinfection wwwnc.cdc.gov/travel/page/water-disinfection
    Bring water to a full rolling boil for 1 minute
    Checked 2026-10-10.

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