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Water Portal / Rainwater Harvesting

402 bytes added, 10:02, 5 June 2014
Added info on rainwater harvesting structures to be built at Chennai, India
Rainwater harvesting is a technique of collection and storage of rainwater into natural reservoirs or tanks, or the infiltration of surface water into subsurface aquifers (before it is lost as surface runoff). One method of rainwater harvesting is rooftop harvesting. With rooftop harvesting, most any surface — tiles, metal sheets, plastics, but not grass or palm leaf — can be used to intercept the flow of rainwater and provide a household with high-quality drinking water and year-round storage. Other uses include water for gardens, livestock, and irrigation, etc.
 
==Rainwater harvesting in India==
Tamil Nadu is the first Indian state to make rainwater harvesing mandatory. On 30 May 2014, the state government announced that it will set up 50,000 rainwater harvesting structures at various parts of the capital city of Chennai. [http://timesofindia.indiatimes.com/city/chennai/50000-rain-water-harvesting-structures-to-come-up-in-Chennai/articleshow/35794531.cms]
<font color="#555555" size="3">'''The reasons for using rainwater harvesting systems answer three questions:'''</font>
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