Water is regarded as an amazing wonder of the universe; beside it is indispensable for life because all organisms, including plants, animals and human beings, are in dire need to it. Without water a person may die within a week.

Many people assume that water supply is unquestionable, and once tap is turned on clean water runs to meet their needs. The use of water is a day-to-day habit, thus we must give water much consideration and attention to keep life going.