All the time we find people discussing about provision of clean water, saving water resources, water pollution and so on but it comes rare to discussing about the waste water management. Since the inception of communities, the focus on water management is of the great consideration. By the time, the water management took rapid pace in advancement. It is progressing day by day. New scientific and technological approaches are evolving in this regard.
The general idea about the water provided through hydrologic cycle is that such water comes in truly cleaned condition but the facts are against this notion. Since it is from a natural processing thus people believe it to be free from any kind of the contamination.