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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  • Hi all, We had drilled two borewells about a year back in our layout (300+ houses). But, we didn't use it till now. We want help in terms of : 1. Testing the water quality 2. Arriving pump capacity required for these bore wells (600 ft & 900 ft) 3. Connecting these borewells to our existing ...
    Anonymous (not verified)posted 3 years 3 months agoread more
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  • The book contains a few pieces on rainwater harvesting by Shree Padre edited by C. K. SujithKumar and published as a book. A practical guide for rainwater harvesting, the book very clearly highlights the necessity for conservation of water. It explains the causes for drought and decline of wate...
    Prarthana Vishalposted 3 years 3 months agoread more
  • Rainwater harvesting is not a new science in India. There are several traditional practices across the country where rainwater was stored safely and used in times of need. One such example is the 'Taankaa' system in Gujarat. Around 10,000 houses in the city of Ahmedabad have large underground tanks...
    Prarthana Vishalposted 3 years 3 months agoread more
  • It is an astonishing thing to see the five rivers of Alwar in Rajasthan flowing for more than 6-8 months in a year. This is no miracle though. It is the result of a decade-long effort by Jal Jungle Andolan lead by Dr. Rajendra Singh.  Traditional rainwater harvesting structues called Johads th...
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  • Rainwater and You: contains ideas that anyone can use anywhere gives essential details about hte background of rainwater utilisation in urban, rural and islands gives designs for rainwater utilisation systems and points of maintenance gives examples of actual uses in individual homes, large bu...
    Prarthana Vishalposted 3 years 3 months agoread more
  • We are living in an apartment with 112 flats. We have made provision to collect surface run off from common terraces to a tank and this water is used for washing cars and gardening. We have a borewell and we are looking for a simple inexpensive method to recharge it. Can we use trenches to recha...
    Anonymous (not verified)posted 3 years 3 months agoread more
  • Hello, I am Aditya, I am designing a small self-sustaining farm 200 kms from Bangalore. For which, I have acquired a barren land sloping gently from west to east in between 3 small hills. I am looking for some site specific advice on how to harvest rain water in a way that benefits the ground water ...
    Anonymous (not verified)posted 3 years 3 months agoread more
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  • Please provide details on training in rainwater harvesting. I have already talked to Sri Siraj Bhai in Lucknow about this. Thank you, Uditnarayan Shukla
    Anonymous (not verified)posted 3 years 3 months agoread more
  • Hi, I was attending a session with IGBC recently and there was a problem faced unanimously about percolation rate of different soil types. I would request, if you have any data related to this, it will be indeed very helpful as green building projects across India are facing this problem while d...
    Anonymous (not verified)posted 3 years 3 months agoread more

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It isn't just the tourists or its hilly terrain but a 140 year old leaking water distribution system set up by the British in 1875, which is leading to heavy losses and contamination.

Most tourists visiting Shimla won’t know that they are walking on a water tank when they wait to get their pictures taken or go horse riding on Ridge road but they will know that the city faces water shortage -- their hotel bathrooms have messages asking them to use water judiciously. 

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Hi,

I went through the articles and FAQ on rain water harvesting. I need to know if you are aware of any NGOs or organisations which take care of this in Hyderabad? We are looking at rain water harvesting mainly for ground water recharge

Thank you

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Dear India Water Portal,

We cultivate rain water from roof top with first rain flush theory. We also allow ample flush for secondary and third rain depending on quality of rain. We are using filtered rain water for daily drinking purpose.We have also installed a membrane based filter prior to drinking. We would like to understand what parameters should be followed while considering rain water for drinking ?

Thank you

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News this week

Yamuna pollution stays the same, despite a drop in sewage flow

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Policy matters this week

Centre presents an opposite picture in the Uttarakhand dam case

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Development and urbanisation have already put pressure on groundwater resources in the fragile Himalayan region. So, what is the current status of groundwater resources of this unique region?

The Himalayas, an important part of the geography of India, extend along the entire Northern and North-Eastern boundary of the country. It spans six Indian States namely, Jammu and Kashmir, Himachal Pradesh, Uttaranchal, West Bengal, Sikkim and a major part of Arunachal Pradesh from west to east.

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Indian Water Works Association in collaboration with Indian Institute of Technology, Bombay, Municipal Corporation of Greater Mumbai and SGGS Institute of Engineering and Technology, Nanded is orgainising a national seminar on 'Water Conservation and Rainwater Harvesting' at IIT Bombay.

For more details, download the event brochure and registration form attached below.

 

March 14, 2015 9:00AM - March 15, 2015 6:00PM

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Rainwater harvesting is a cost effective solution to bridge the gap between water availability and demand. Jodhpur and Goa, areas with low and high rainfall, have shown how.

As the race to bridge the gap between limited water availability and increasing demand for water narrows in India, rain water harvesting has been increasingly recommended in urban areas to harness the available water, rather than relying on expensive and unsustainable means of procuring water.  

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Dear India Water Portal,

We need help to implement a water harvesting project in our colony Kakkanad, Ernakulam, Kerala at least cost.

Can you please help?

Thanks

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Eris or tanks in Tamil Nadu, which once provided water for drinking and irrigation, are in disrepair today. Can technology help restore them?

Several lakhs of farming communities in Tamil Nadu depend on the 39,202 tanks spread around the state. These tanks capture the runoff water from the monsoon rainfall that occurs in a short span of time, and also provide water for irrigation and other uses for the community.

However, these water bodies have been degenerating in the recent past due to reasons such as:

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