![]() It typically takes 30 minutes for the water to cool completely, so it is a good idea to plan ahead and boil more than you need in one sitting. Remove from heat and allow the water to cool before using it.In fact, if the temperature of the water is above 160 F, any organism in the water will not survive longer than 30 minutes.īoiling Water: How to Purify Water from Biological Contamination Many organisms cannot survive when water reaches its boiling point of 212 F. Some types of bacteria are harmful to consume and can cause digestive problems, along with symptoms of cramping and diarrhea.īoiling water is the most efficient method of purification when a person does not have access to safe, treated water. Even though the water might appear clean, it is most likely home to unsafe microorganisms. Other types of pollutants, such as lead, are not so easily filtered out, however.īefore reaching a treatment plant, water from rivers and reservoirs contains a variety of organisms, such as bacteria and viruses. You can kill off bacteria and other organisms in a batch of water simply by bringing it to a boil for a few minutes. ![]() ![]() How Does Boiling Water Make It Safe to Drink?īoiling water makes it safe to drink in the event of some type of biological contamination. When a city instates a “boil water advisory,” it means the tap water may no longer be safe to drink. Turning on the tap for a glass of water is a convenience we often take for granted - until we can no longer do so safely. ![]()
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