Rainwater Harvesting

Rainwater harvesting (RWH) is a simple method by which rainfall is collected for future usage. The collected rainwater may be stored, utilised in different ways or directly used for recharge purposes. With depleting groundwater levels and fluctuating climate conditions, RWH can go a long way to help mitigate these effects. Capturing the rainwater can help recharge local aquifers, reduce urban flooding and most importantly ensure water availability in water-scarce zones. Though the term seems to have picked up greater visibility in the last few years, it was, and is even today, a traditional practice followed in rural India. Some ancient rainwater harvesting methods followed in India include madakas, ahar pynes, surangas, taankas and many more.

This water conservation method can be easily practiced in individual homes, apartments, parks, offices and temples too, across the world. Farmers have recharged their dry borewells, created water banks in drought areas, greened their farms, increased sustainability of their water resources and even created a river. Technical know how for the rooftop RWH with direct storage can be availed for better implementation. RWH An effective method in water scarce times, it is also an easily doable practice. Practical advice is available in books written by Indukanth Ragade & Shree Padre, talks by Anupam Mishra and other easy to follow fun ways

Read our FAQ on Rainwater Harvesting and have many basic questions answered.

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We are a group of companies engaged in the business of cleaning and hygiene. We wish to start the business of rain harvesting. Can you help us in getting us close to the people who are doing good work in this field and want to expand.

Regards

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Madakas are being replaced more and more by borewells. Efforts need to be made to restore these structures, create awareness, and preserve local knowledge.

Madakas are one of the fast disappearing traditional rainwater harvesting structures found in the laterite belts of Karnataka and Kerala. They are naturally occuring depressions with high terrain on the three sides where water from the surrounding laterite slopes, mainly runoff from the rains, is accumulated. These have been traditionally used to harvest rainwater by constructing bunds on the open fourth side of the depression to check this runoff from the slopes.

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In the cold deserts of Ladakh, people are dependent on meltwater from glaciers to meet their needs

Climate change however, has resulted in several of these local glaciers drying up. Chewang Norphel, a civil engineer, has pioneered the concept of creating artificial 'glaciers' that store water in the form of ice, and release it in the summer. In this TEDxDelhi 2012 talk, Mr.Norphel talks of his experience, the process of developing artificial glaciers, and the hope that these represent.

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Hi,
I live in Chennai in a flat. The dimensions are 300 ft length and 80 ft width. We have the same amount of open space at the backside of our flat. Our bore is situated 2ft from that open space. Apart from that space we also have 300ft x 16ft road in the front side of the flat. Even after having this much of open space (note: all open space have compound walls and water drain into the soil and does not drain out) we still face water problem in the bore. My question is : If we do rain water harvesting will it be helpful. Please clear my query.

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Hello Sir,

We are living in an apartment. We have a well in our compound. We are planning to dump all the water that gets collected on the terrance, when rains, into the well. Please let me know if we can do that or not? We don't use that well water for drinking purpose.

Thanks

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In this article, Aarti Kelkar-Khambete narrates her experience of her visit to Kasargod, Kerala to meet Sree Padreji and to see the fast disappearing Surangas

Surangas continue to be one of the relatively less known and gradually disappearing traditional water harvesting systems of Kasargod district, Kerala and are being gradually replaced by borewells to meet the water needs of the community. 

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I am a resident of Hyderabad and I would like to directly use the rain water collected on my roof. Constructed ground is hard rock with lot of efforts we dug a borewell of 420 feet. There is no chance of creating a pit for harvesting rainwater. So please suggest the ways of injecting rainwater into borewell.

My question is, is there any possibility of a borewell collapse due to this? Will there be a decrease in water flow due to this?

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Where can I get this guidelines - IS 15797:2008 - roof top rainwater harvesting guidelines?

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Organiser: Akash Ganga Trust

Venue: #4, 3rd Trust Link Street
               Mandavelipakkam, Chennai

Rain Centre is a one-stop information and assistance centre for rainwater haversting. The first of its kind in the entire country, this centre was inaugarted on August 21, 2002. The services of the centre is offered free of charge.

Download attachment for details of the program

Contact details
RSVP to
Sekhar Raghavan
Director
Rain Centre
Phone: 24616134/24918415

October 8, 2012 5:30PM - October 8, 2012 7:30PM

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Self reliance in water, a practical manual for city and town dwellers by Indukanth Ragade, describes the what, why and how of the paths towards self-reliance in water.

Self reliance in water: A practical manual for city and town dwellers by Indukanth S. Ragade (The full book is available for download on the India Water Portal.</body></html>

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