What action should residents take during a boil water advisory?

During a boil water advisory, the guidance is to boil tap water before using it for consumption and food preparation purposes. Boiling water kills harmful bacteria, viruses, and protozoa that may be present, which is crucial for preventing waterborne illnesses. The practice of boiling water for at least one minute—longer at higher altitudes—ensures that pathogens are effectively eradicated.

Using tap water without boiling it poses a risk, as it may still contain pathogens that could lead to disease. Relying solely on bottled water is not necessary if proper precautions, like boiling, are taken. Filtering tap water alone may not adequately remove all harmful microorganisms, making boiling the more effective method during these advisories. Hence, boiling the tap water is a recommended and responsible action for residents during a boil water advisory.