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Rainwater harvesting is the accumulation and storage of rainwater for reuse on-site, rather than allowing it to run off. Rainwater can be collected from rivers or roofs, and in many places, the water collected is redirected to a deep pit (well, shaft, or borehole), a reservoir with percolation, or collected from dew or fog with nets or other tools. Its uses include water for gardens, livestock[ irrigation, domestic use with proper treatment, indoor heating for houses, etc. The harvested water can also be used as drinking water, longer-term storage, and for other purposes such as groundwater recharge




Estd : 2018



  1. Promote rainwater harvesting as a natural, local, efficient source of water in accordance with the Key Principles of Rainwater Harvesting.
  2. Provide research and advice from a range of disciplines to inform rainwater harvesting, irrigation and agricultural practices including water management, land use planning, policy environments, stormwater management and manufacturing.
  3. Provide Rainwater Harvesting Codes of Practice suitable for urban and agricultural use.
Sl. No.
Name Country Membership
Mr. Geoff Harvey  Australia Chair
Mr. Michael Smit  Australia  
3 Ms. Kathleen Heuvel – Young Professional  Australia  
4 Mr. Warren Helgason  Canada   
5 Dr. A.K. Randev, Chairman, WG-SON-FARM India   
6 Dr. Ratan Chand Jain India  Provisional Member
7 Prof. (Ms.) Elena Bresci Italy Provisional Member
8 Mr. Hisham Ghazali  Malaysia  
9 Mr. Bashu Dev Lohanee  Nepal  
10 Ms. Mary Jean Gabriel, Chair, WG-IDM South Africa  
11 VPH Dr. R. Ragab, Chairman, WG-WATER & CROP United Kingdom   
Dr. Puspa Raj Khanal (FAO)     
Concept Note ..... Notification

PRESENTATIONS: Bali, Indonesia, 2019

  1. A report by Chair - Working Group on Rain Water Harvesting
  2. Rainwater Harvesting in the 21st Century


Indian Standard - IS 15797 (2008): Roof Top Rainwater Harvesting - Guidelines [WRD 3: Ground Water and Related Investigations]

Water Harvesting and Recycling - Indian Experiences by V.N. Sharda, A.K. Sikka, J.S. Samra and Adlul Islam






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