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It has been estimated that out of the total precipitation of around 400 million hectare meters in the country, the surface water availability is about 178 million hectare metres. Out of this about 50 % can be put to beneficial use because of topographical and other constraints. In addition there is a ground water potential of…Continue
1000 people in a village need 2.5 crore ltr water annually. Water will come in to the well only if there is water underground.
Each year from 1000 mm rainfall (in India) every 1 hectare land receives 1 crore ltr rain-water free of cost & not even 5 lakh ltr recharges underground to increase ground-water. 80-90 % is wasted as Run-off & Evaporation & one cannot store this much water above ground.
The problem of water scarcity in urban areas of developing countries is a major concern. It is estimated that by 2050, half of India’s population will be living in urban areas and will face acute water problems (Singh, 2000). It was reported in 2002 that about 1.1 billion people were still using water from unimproved sources, and two thirds of these people live in Asia. The number of people without improved water sources in China alone is equal to the number of un-served in all of…Continue