97% of all water resources found on the earth is stored in oceans and seas. It is salty, only 3% of the total water resources is fresh water. % of this 3% fresh water is found frozen in the form of ice sheets and glaciers. Lakes and rivers contain a very small quantity of water as compared to ground water resources.
The above reveals that there is an acute shortage of fresh water. Fresh water is used in drinking, bathing, washing, irrigation, industries and many more other purpose.
All over the globe water scarcity is experienced, specially during dry seasons.
Water scarcity is experienced in both the rural and urban areas. In rural areas people have to walk 3 to 11 kilometres to fetch fresh water for drinking.