What type of water source is categorized under Category 1?

Category 1 water refers to water that is considered clean and poses little to no risk to human health when contacted. This category includes sources such as water from a clean water supply line, which indicates that the water is free from harmful contaminants. Examples of Category 1 water sources include water from faucets, sinks, or tubs where the water is potable and safe for consumption.

In contrast, other types of water sources are considered more dangerous due to their potential contaminants. Flood water typically comes from overflowing rivers or rainfall, which can lead to contamination, while sewage backup involves water that is contaminated with biological waste, making it hazardous. Contaminated storm water might contain pollutants collected from surfaces during rainfall. Thus, the distinctive aspect of Category 1 water is its cleanliness and safety for health, affirming why the classification of a clean water supply line falls under this category.