Water plays an important role in everybody's life. It can be used for many household activites like cooking , bathing, drinking and washing clothes. Approximately, 71% of the earth surface is covered with water and in that, only 1% water is suitable for drinking purpose. In the past days, there is more than sufficient water available for us but in the present times, the problem of fresh drinking water is going on incrementing. Soon it is going to become a huge issue for all the people living on the earth. The reasons for this drastic change are many. Mostly because of the lack of interest we show towards environment and that is why this situation is getting worse.