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.

  • Good rainfall fails to improve Hyderabad's groundwater table Despite the city receiving excess rainfall in 2017-18, Hyderabad’s groundwater levels continue to be precarious. The city received 1123 mm of rain, nearly 44 percent higher than the normal expected rainfall last season but the increase ...
    seetha@indiawat...posted 1 year 11 months agoread more
  • Rajasthan is all geared up for the open defecation free (ODF) status well before the national deadline of October 2, 2019. According to the assistant engineer of the nagar parishad, Resha Singh, 4.75 lakh toilets have been constructed since October 2, 2014 in Alwar district which is about to be decl...
    Amita Bhaduriposted 1 year 11 months agoread more
  • During rainy season, almost all our streets in almost all our cities get inundated with storm water. Please tell us  how best to filter, collect, store, treat and reuse the storm water in underground storage tanks  built in the compounds of houses, open places, parks and gardens etc. Reg...
    priyadposted 1 year 11 months agoread more
  • Lewari, a village located around 17 km from Alwar in Rajasthan, is the site of a water conflict these days. “The production of Jayanti jaljeera, haazme ka lalantop drink (a digestive drink) has left our village parched,” says Nanak Singh, a resident. Singh is referring to the excessive quantity ...
    Amita Bhaduriposted 1 year 11 months agoread more
  • There seems to be no end to the drinking water crisis in the Bemetara district in Chhattisgarh. It is only becoming worse with every passing day. More than 40 percent of all the hand pumps installed in the district have run dry due to the depletion of groundwater level.   This situation h...
    makarandpurohitposted 2 years 5 days agoread more
  • Hello, Every time it rains, I see huge rain water gushing through the roads and drains of Bangalore city. The entire water gets wasted as it reaches the sewage and flows out of city as sewage water. If we can stock this running water across the areas, it should recharge the depleting ground water a...
    Anonymous (not verified)posted 2 years 1 week agoread more
  • Entering its second year, the Graduate Program of Water Science and Policy 2018 at Shiv Nadar University envisages a multi-disciplinary classroom, engagement and content delivered by some of the best minds globally – experts on water who have worked on ground realities, made policies and initiated...
    priyadposted 2 years 3 weeks agoread more
  • Gopal Nishad, a fisherman in his early 40s, is frustrated that there is hardly any fish left in the Mahanadi’s basin at Pitaibandh due to the lack of water in the basin. This basin is located near Rajim-Nawapara in Chhattisgarh, the proposed site for the fourth anicut on the Mahanadi. He reminisce...
    makarandpurohitposted 2 years 1 month agoread more
  • Environmentalists fear new CRZ rules will favour infrastructure over coastal ecosystems Activists and environmentalists are of the opinion that the draft revised Coastal Zone Regulation Notification favour infrastructure over coastal ecosystems and livelihoods. The reduction of the definition of co...
    seetha@indiawat...posted 2 years 1 month agoread more
  • KSPCB says Cauvery water can be used for drinking after conventional treatment A report prepared by the Karnataka State Pollution Control Board (KSPCB) has clarified that water from River Cauvery isn’t as bad as it is made out to be. The report stated that the water can be classified under C...
    seetha@indiawat...posted 2 years 1 month agoread more
  • Fluorosis continues to be a regional issue in Telangana to this day, even decades after the first cases were discovered in Nalgonda in 1937. More than three lakh people in the district are affected with skeletal and dental fluorosis, a stigma that has stuck for generations. Excessive fluor...
    Amita Bhaduriposted 2 years 1 month agoread more
  • A recent BBC report projected that Bengaluru will run out of water soon. Yes, it was a superficial list of cities that already have water problem. It just pronounced the harsh verdict without any in-depth analysis of the factors involved. That’s like taking a casual look at an emaciated man and s...
    priyadposted 2 years 1 month agoread more
  • Hi, Where can I buy this book? Will it be possible to get a preview of the book or the name of the chapters? thanks
    Anonymous (not verified)posted 2 years 1 month agoread more
  • Tamil Nadu seeks contempt action against the Centre for not constituting the Cauvery Management Board With the Centre failing to constitute the Cauvery Management Board within the time frame stipulated by the Supreme Court order, Tamil Nadu government has approached the apex court seeking contempt ...
    seetha@indiawat...posted 2 years 1 month agoread more
  • Small farmers are the key to ending poverty and hunger and promoting sustainable development. In India, small and marginal farmers—those who work on less than two hectares (five acres) of land—constitute 80 percent of all farm households, 50 percent of rural households and 36 percent of the tota...
    Anonymous (not verified)posted 2 years 2 months agoread more
  • Uttarakhand bans quarrying in the Ganga and its tributaries post NGT order Following an interim order by the National Green Tribunal (NGT), the Uttarakhand government has decided to ban all quarrying activities along the Ganga. On February 16, the NGT  had banned quarrying in Ganga and its tri...
    seetha@indiawat...posted 2 years 2 months agoread more
  • Manhole-cleaning robot Bandicoot successfully completes trial run in Thiruvananthapuram The spider-shaped robot developed by a team of engineers in Kerala to clean manholes has successfully completed a trial run in Thiruvananthapuram. Christened "Bandicoot", the robot is capable of cleaning manhole...
    seetha@indiawat...posted 2 years 2 months agoread more
  • GoI allocations for the Ministry of Drinking Water and Sanitation is Rs. 22,357 crores For the first time in the last four years, the allocation for the sanitation programme Swachh Bharat Mission (SBM) has gone down from Rs 19,248 (RE 2017-18) to Rs 17, 843 crore (2018-2019). Out of this, Rs 15,...
    Amita Bhaduriposted 2 years 3 months agoread more
  • Every year, thousands of villages in Maharashtra get affected by droughts. Experts say that the reasons for recurrent droughts include a lack of policy framework, technical knowledge and community participation as well as poor implementation of government programmes. Until 1970, the residents of Ka...
    makarandpurohitposted 2 years 3 months agoread more
  • One of the major causes of deterioration of water quality is the increase in overall salinity. Total hardness and the presence of materials like fluoride, nitrate, iron, arsenic, and toxic metal ions determine salinity levels in groundwater. With the demand for groundwater growing rapidly, its explo...
    Amita Bhaduriposted 2 years 3 months agoread more

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India not a water defict country. Neglect and lack of monitoring behind country's water scarcity: CWC

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What will be the recharge rate of a borewell of 150 mm and 300 mm diameter, respectively in the district of Patiala, Punjab for the purpose of rainwater harvesting. The borewell ends about 15 meter before the first aquifer and hence sends the water into a layer of sand. The borewell will have perforations in the last 10 meters depth.

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Policy matters this week

Centre launches Jal Shakti Abhiyan

To tackle the water crisis looming the country, the Centre launched the Jal Shakti Abhiyan, a water conservation campaign focussing on 1,592 stressed blocks in 256 districts across the country.

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A study finds that farmers in south India continue to rely on borewells rather than investing in water conservation structures or demand management strategies to cope with droughts.

India is witnessing the second driest pre-monsoon season in the last 65 years. As the country eagerly eyes the monsoon clouds, the delay so far has now widened the rain deficit to 43%.

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High Court raps Tamil Nadu government over water crisis in Chennai

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In the news this week

Monsoon makes slowest progress across India in 12 years (source: Times of India)

Indian Meteorological Department (IMD) records show that this year's monsoon has so far been the slowest progressing monsoon in the past 12 years.

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Sir, I'm looking at rainwater direct injecting to borewell after filtration of rainwater through filters and recharge pit

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Policy matters this week

Government to launch rural piped water scheme

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We have 30 acres of land along with a borewell thats about 620 ft deep. Over the past year water level has reduced by 40 ft. I would like to make a recharge pit or any other solution to harvest rainwater and recharge my bore. We are situated in Patan, Gujarat. Looking for help, or a consultant and any firm who work in rainwater harvesting solution field.

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An analysis of the effectiveness of the Composite Water Management Index as a policy-making tool

INTRODUCTION

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