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4 Way Partnership Holds The Key To Overcoming Socio-Economic Impediments To Urban Rainwater Harvesting

NCT of Delhi covers an area of 1483 sq. km. and has a population of approx 150 lakhs with decennial population growth rate of approx. 46.31%. This huge and heavily concentrated population has put the water supply under great stress. With a water demand of 950 million gallons a day (mgd) in 2006 and supply of only 800 mgd, the city faces a shortfall of about 45% which is likely to increase to about 57% by the year 2021 if things remain as they are. In this scenario, groundwater becomes critical for the city’s survival. It is estimated that 48% of Delhi’s water requirement is fulfilled by it. This over-exploitation has led to a decline in water level of 4-10 metres in the last decade alone.

 

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A Critical Assessment Of Epidemiological Studies For The Investigation Of The Health Risk Of Drinking Untreated Rainwater

Rainwater has been used for many purposes globally including drinking, however whether untreated rainwater is a risk factor for health problems remains inconclusive. Rainwater tanks generally serve households and in many instances illness may not be reported. There are some published studies which have investigated the role of rainwater in the occurrence of illness.

 

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