What bacteria can survive boiling water?
Christopher Snyder
Updated on March 06, 2026
Although, some bacterial spores not typically associated with water borne disease are capable of surviving boiling conditions (e.g. clostridium and bacillus spores), research shows that water borne pathogens are inactivated or killed at temperatures below boiling (212°F or 100°C).
What bacteria does boiling water kill?
Pathogens in water have been studied and found to be killed or rendered inactive when boiled in water. These include bacteria such as salmonella, viruses including hepatitis A, and protozoa such as giardia.Does boiling water kill every bacteria?
Yes, boiling water kills bacteria as well as other pathogens. In fact, water doesn't need to be boiling to kill bacteria. What is this? According to the World Health Organization (view pdf), “water temperature of 158°F (70°C) will reduce (or kill) 99.999% of bacteria, protozoa, and viruses.”Which kind of organisms survive in boiling water?
Some bacteria can survive at very high temperatures. These types of bacteria are called thermopiles, which means “heat loving.” Thermophiles are harmless to humans and grow best at temperatures between 113 to 176°F (45 to 80°C). They're often found in hot springs and in hydrothermal vents deep in the ocean.Does boiling water kill E. coli?
It's particularly important to sanitize your water if you are concerned that it might be contaminated with E. coli. Boiling your water for at least 1 full minute is the easiest and most commonly used way to remove E. coli.Boiled Dirty Water under the Microscope
Can Salmonella be killed by boiling?
Boiling does kill any bacteria active at the time, including E. coli and salmonella.What bacteria Cannot be killed by cooking?
Staphylococcus aureusaureus is allowed to grow in foods, it can produce a toxin that causes illness. Although cooking destroys the bacteria, the toxin produced is heat stable and may not be destroyed.