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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This episode by Aamir Khan and Kiran Rao highlights the importance of water and its increasing scarcity and on the increasing incidences of conflicts over water

Satyamev Jayate  is a serial produced by Aamir Khan and Kiran Rao and aired  on StarPlus. Each of its 13 episodes take a hard look at one of the various problems facing India today. The program tries to maintain a message of hope by focusing on people and organisations who are making an effort to solve these problems.

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This film by Swati Dandekar traces the flow of water as it flows through the various households in different economic strata and then flows out in the form of sewage

Directed and produced by Swati Dandekar, 'Water and a City' traces the journey of water through Bangalore using a succession of haunting images.

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This article shows the dedication towards the environment shown by Infosys by implementing the Environmental Management System called the Ozone Initiative

“We want to give back this planet to our children in a condition better than the one in which we borrowed it from them.”
N.R. Narayana Murthy, Chairman of the Board and Chief Mentor, Infosys Limited

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This book titled “Aajao Pukur Aamader” is the Bengali translation of Anupam Mishra’s book in Hindi “Aaj Bhi Khare Hain Talaab” which has been a runaway success for several years.

cover pageAnupam Mishra is an environmental activist and currently works with the Gandhi Peace Foundation, New Delhi. The inspiring contribution dealing with the indigenous water systems of central India has been translated by Nirupama Adhikari into Bengali.

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This article by Chicu Lokgariwar presents the salient features of the revised draft of the National Water Policy and compares it to the previous version

On 31st January 2012, the Ministry of Water Resources (MoWR) had released the draft of the National Water Policy 2012 and invited comments till 29 February. Following the meeting of the National Water Board on 7th June 2012, the MoWR has now put up a revised draft on their website. This article presents the salient features of the revised draft and compares it to the previous version.

The revised draft is divided into the following sections:

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This presentation introduces a plan for rainwater harvesting for the city of Bangalore

This presentation by Biome Environmental Solutions Private Limited introduces a plan for Rainwater Harvesting (RWH) for the city of Bangalore. The objectives of the plan include:

  • Harvesting all the rain falling on the viaduct
  • Preventing flooding at the base of piers
  • To ensure that the landscape can be maintained on rainwater alone

 

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Since the rainwater is to be used for toilet flushing purpose only there is no need for any filter. The roof needs to be kept reasonably clean that’s all. If necessary a grating can be fixed at the inlet point to the loft from the roof.

Source: http://www.indiawaterportal.org/ask/5385

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A dry bore well during drilling can be water bearing after some time. You may check whether this has happened to your dry bore well. You may find some useful information in this regard at http://www.indiawaterportal.org/questions/failed-borewell-hyderabad-andhra-pradesh-need-advice-chances-recharge

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To enhance yield in the bore well, you can opt for multi hydro-fracturing methodology, as it looks like your bore well is surrounded by fractured zones at deeper levels. May be some of the main fractured conduits might not have been feeding into your bore well fractures or some other bore wells are sharing your fractured conduits and they might be sucking water from your bore well owing to their locational advantage.

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Please refer to http://coffee-table.4894995.n2.nabble.com/file/n4942112/Borehole.xls sheet which has a table that facilitates self-diagnosis. It also lists various factors that can affect borewell performance and parameters that can be monitored.

Contributor: The Community Engineer  (http://www.indiawaterportal.org/users/thecommunityengineer)

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