What is the minimum temperature defined as "hot" water?

Hot water is commonly defined as water that has a temperature of at least 110°F. This temperature is significant because it is high enough to provide effective cleaning and sanitation for various household tasks, including dishwashing and showering. Temperatures below this threshold may not be sufficient to eliminate bacteria and other pathogens, which is crucial for safety and hygiene purposes.

Water at 110°F is typically comfortable for most users when bathing, while still being effective for household uses. As the temperature increases, the risk of scalding also grows, particularly for vulnerable populations such as children and the elderly, making it important to consider safety standards in water heating practices.