Water Supply and Water Resources
Depleting ground water table and deteriorating ground water quality are threatening the sustainability of both urban and rural water supply in many parts of India. The supply of cities that depend on surface water is threatened by pollution, increasing water scarcity and conflicts among users. For example, Bangalore depends to a large extent on water pumped since 1974 from the Kaveri river, whose waters are disputed between the states of Karnataka and Tamil Nadu. As in other Indian cities, the response to water scarcity is to transfer more water over large distances at high costs. In the case of Bangalore, the 3384 crore (US$619.3 million) Kaveri Stage IV project, Phase II, includes the supply of 500,000 cubic meter of water per day over a distance of 100 km, thus increasing the city's supply by two thirds.
In some coastal areas seawater desalination is becoming an important source of drinking water supply. For example, the Chennai Metropolitan Water Supply and Sewerage Board has put into service a first large seawater desalination plant with a capacity of 100,000 m3 per day at Minjur in 2010. A contract for a second plant with the same capacity at Nemmeli was awarded in the same year.
Read more about this topic: Water Supply And Sanitation In India
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