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 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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This film brings into light hard hitting facts centered around water management issues

Source: NDTV

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This video describes the experiences of a plumber in rainwater harvesting in Bangalore

 

 

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Inspite of the immense potential of rainfed fisheries sector in India, fishing cooperatives have failed to function properly making it an unviable enterprise in the country

Issue of Commons and institutional arrangements:

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This article presents the details of the groundwater bill

This document by Government of Chattisgarh spells out the characteristic features of the Chhattisgarh’s ground water bill.  This bill is meant to regulate and development of groundwater and matters connected with it. The bill was enacted by the state legislature in 2012.

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Drought has again hit large parts of Maharashtra this year. But the worst affected are two talukas in Sangli district

 

Anandrao Patil's 16-hectare orchard in Atpadi has withered as even borewells have gone dry

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