Final answer:
Artesian water is desirable because it is unusually pure and clean, coming from a deep, confined aquifer that is considered the safest source of drinking water.
Step-by-step explanation:
Artesian water is desirable because it is unusually pure and clean. It comes from a deep, confined aquifer, which is considered the safest source of drinking water. Groundwater, such as artesian water, is a much larger reservoir of usable fresh water compared to surface water like rivers and lakes.