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  2. How to Make Water Safe in an Emergency | Water, Sanitation ...

    Sep 19, 2024 · Key points After an emergency, your tap water may not be available or safe to use. Use bottled, boiled, or treated …

  3. Boiling water is the best method. This method will kill most viruses and bacteria. Add 8 drops or a little less than 1/8 of a teaspoon of …

  4. Making Water Safe in an Emergency | Water, Sanitation ...

    Sep 21, 2017 · In an emergency, water contaminated with germs can often can be made safe to drink by boiling, adding …

  5. Emergency Water Purification Methods: A Complete Comparison ...

    Aug 12, 2026 · Compare boiling, chemical treatment, portable filters, UV, and distillation for emergency water purification. Learn …

  6. Water treatment while hiking, camping, and traveling - CDC Stacks

    Nov 24, 2021 · Boiling water is the most reliable way to kill germs. If you cannot boil your water, the next best option is to use a filter …

  7. Emergency Disinfection of Drinking Water | US EPA

    Feb 24, 2026 · The instructions below show you how to boil and disinfect water to kill most disease-causing microorganisms that may …

  8. Emergency Water Treatment: Boiling, Disinfection, and Filtration

    May 30, 2026 · The CDC warns that most portable water filters do not remove bacteria or viruses. A filter labeled for parasites may …