What distinguishes potable water from non-potable water?

Potable water is distinguished from non-potable water primarily by its conformity to health safety standards. This means that potable water has been treated and tested to meet specific health and safety regulations, making it safe for human consumption. These standards ensure that the water is free from harmful contaminants, pathogens, and pollutants that could pose a risk to health.

While other factors might influence the perception of water quality, such as geographical source, temperature, or the presence of minerals for taste, they do not fundamentally determine whether the water is safe to drink. For example, water from a pristine mountain stream may not be potable if it has not been properly tested or treated, while water that comes from a municipal supply may be deemed safe even if it has a mineral taste. Therefore, the key element that defines potable water is its adherence to health safety standards, which ensures its suitability for consumption.