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.

Featured Articles
September 21, 2022 The unique design and functioning of the Chakla bavdi in Chanderi Madhya Pradesh is another example of the water wisdom of our ancestors, which needs to be conserved and passed on to the future generations.
Chakla Bavdi at Chanderi, Madhya Pradesh (Image Source: Shirole, S. 2022. Architectural eloquence: Water harvesting structure in Chanderi, Madhya Pradesh (India). Ancient Asia, 13: 9, pp. 1–13)
July 14, 2022 The river is faced with the dual problem of flood plain encroachment and growing levels of water pollution
Illegal transverse check dams (Badhals) built on Ichamati near a village in Basirhat (Image: Prithviraj Nath @ TheWaterChronicles)
July 11, 2022 The Chauka system of Rajasthan can not only provide a sustainable way to manage water resources in water stressed regions, but also support livelihoods through development of pastures.
Can greening of barren lands happen? (Image Source: India Water Portal Flickr photos)
March 21, 2022 Recognizing women's accumulated knowledge and adaptive capacities in springshed management
Van Panchayat Samiti discussing the matters related to forest (Image: Varun Raja)
November 9, 2021 Building resilient agricultural system through groundwater management interventions in degraded landscapes of Bundelkhand region
Charkhari talab in Bundelkhand (Image: IWP Flickr)
July 23, 2021 Improper location, poor operation and maintenance of water harvesting and recharge structures threaten water security in Yavatmal
A study assesses the current status of the water harvesting and recharge structures in Yavatmal (Image: India Water Portal Flickr)
Sustainable urban water supply in south India : Desalination, efficiency improvement, or rainwater harvesting?
The authors propose a framework that makes it possible to evaluate a wider range of centralized and decentralized policies for urban water supply than previously considered. Posted on 11 May, 2011 05:26 PM

Abstract:

"Media getting sensitive towards water and sanitation issues in North Bihar"-Recent updates from the work of Megh Pyne Abhiyan
The effort of Megh Pyne Abhiyan (MPA) since 2006 has started to impact different sections of the society differently Posted on 10 May, 2011 06:41 PM

. I had shared how Megh Pyne Abhiyan through its local partner - Samta in Khagaria (supported by Gramyasheel, Kosi Seva Sadan, Ghoghardiha Prakhand Swarajya Vikas Sangh and Water Action) has been able to collaborate with the district administration to mainstream issues concerning water and sanitation for the flood prone areas.

In Supaul, the district administration requested our local partner, Gramyasheel to write about alternative drinking water practices (appropriate for the district) for a publication - Supaul Zila Ki Smarika, brought out by the district administration. A definite indication of the WATSAN practices being recognized at the local level. Though the collaboration is an ongoing process which would lead to positive results if time, ideas and perseverance are invested appropriately.

Fluid verve - Nowhere but in Mandu, does one find so many structures conceived with water as an integral part of design - Article from Terrascape magazine
There is so much water in Mandu also because of the large number of water bodies, lakes, ponds, stepwells, cisterns that survive, unlike their contemporary cousins in Delhi. Posted on 03 May, 2011 01:52 PM


Fluid verve - Nowhere but in Mandu, does one find so many structures conceived with water as an integral part of design - Article from Terrascape magazine

Hydrogeological investigations in and around JSPL plant area in Angul district, Orissa - A report by Green Systems
This report by Green Systems, provides an approach to recharge the groundwater consumed by the Jindal Steel and Power Plant (JSPL) in Angul, Orissa by harvesting rainwater. Posted on 22 Apr, 2011 11:55 AM

 The area's geological, hydrological and climatic facets are studied to arrive at a series of recommendations, which not only include the type of recharge structures and their design but also their location.

The report is divided into 9 chapters which are

Proposal for groundwater recharge in National Capital Region - A report by SK Sharma and Green Systems
This study by SK Sharma and Green Systems, details the current situation of the National Capital Region (NCR) area, in terms of geohydrology, climate and water usage. Posted on 22 Apr, 2011 11:53 AM

It also explains the various laws that have been put in place to increase groundwater replenishment.

The Bangalore Water Supply and Sewerage (Amendment) Act (2011)
The Bangalore Water Supply and Sewerage Act, 1964 (Karnataka Act 36 of 1964) has been amended in February 2011 to make rainwater harvesting compulsory in the city Posted on 21 Apr, 2011 09:23 PM

. Under the amendment the Bangalore Water Supply and Sewerage Board (BWSSB) is empowered to install rainwater harvesting systems if people do not comply and recover the cost from them.

Assessing acute Gastroenteritis risks associated with water quality and sanitation in Hyderabad city - A paper by the Institute of Health Systems (IHS)
The quality of drinking water is a vital element of public health and well-being. The most effective means of consistently ensuring the safety of a drinking-water supply is through the use of a comprehensive risk assessment and risk management approach that encompasses all steps in water supply from catchment to consumer. Posted on 19 Apr, 2011 11:35 PM

The quality of drinking water is a vital element of public health and well-being. The most effective means of consistently ensuring the safety of a drinking-water supply is through the use of a comprehensive risk assessment and risk management approach that encompasses all steps in water supply from catchment to consumer.

WHO guidelines on water quality term these approaches as water safety plans (WSPs), developed to organize, systematize and apply management practices in drinking-water quality.

Deep wells and prudence - Towards pragmatic action for addressing groundwater overexploitation in India - A World Bank document (2010)
India is the largest user of groundwater resources in the world. It is estimated that approximately 230 cubic kilometers per year is used annually, this is more than a quarter of the total world consumption from this resource.
It is in this context that this World Bank report looks at the reasons for this quantum of groundwater usage
Posted on 12 Apr, 2011 01:51 AM

India is the largest user of groundwater resources in the world. It is estimated that approximately 230 cubic kilometers per year is used annually, this is more than a quarter of the total world consumption from this resource.

It is in this context that this World Bank report looks at the reasons for this quantum of groundwater usage.

The report delves into socio-economic and political reasons and looks at policies which inadvertently promote so much extraction. The report also analyses various attempts to manage this resource. These attempts range from government and international agency efforts directed to grassroots mobilisations. Finally the report comes out with suggestions to deal with this crisis.

Groundwater use in Aurangabad – A survey and analysis of social significance and policy implications for a medium-sized Indian city by GW MATE and World Bank (2008)
Aurangabad, a city in central Maharashtra is in a drought prone region, and being a rapidly urbanising town, is facing a lot of pressure on ots water resources. Besides importing water there has been an increasing trend of ground water extraction. Posted on 12 Apr, 2011 01:17 AM

Aurangabad, a city in central Maharashtra is in a drought prone region, and being a rapidly urbanising town, is facing a lot of pressure on ots water resources. Besides importing water there has been an increasing trend of ground water extraction.

In this context, a survey of groundwater use was conducted as part of a World Bank study on Indian groundwater management. The study was a collaboration between GW MATE(Groundwater Management Advisory Team) and GRASP (Grass Roots Action for Social Participation), an Aurangabad-based civil society organization working on community-based natural resource management.

Techno-economic feasibility study of sanitation and sewage management for Pandharpur town, Maharashtra - Ecosan Services Foundation (2009)
Solving Pandharpur's Sanitation Crisis. A study into the Maharashtra's holy town rings out interventions to combat its growing problem of water and sanitation Posted on 10 Apr, 2011 02:15 AM

This study provides interventions to solving the sanitation crisis in the holy town of Pandharpur, situated on the banks of the Chandrabagha/Bhima river, in the state of Maharashtra, which receives more than 1.5 crore devotees annually. On any given day there are approximately 20,000 pilgrims in this Class B town. This vast floating population creates massive sanitation problems leading to environmental and hygiene issues.  The study forms part of the Maharashtra State Pollution Control Board's 'Environmental Improvement Programme at Religious Places in Maharashtra' project.

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