SARNET is proud to have enthusiasts, activists and practitioners in rainwater harvesting water conservation from South Asia



Workshops, conferences and any other events related to rainwater harvesting, water conservation, online webinars, WASH etc

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Recent Research

Recent research on effectiveness of a RWHs for domestic non-potable use and the water demand of the community



Read and watch about Rainwater Harvesting Publication & Resources to identify existing rainwater harvesting practices


Welcome To South Asia Rainwater Network

The Regional Network aims

  • Functioning as a repository of information and experience on rainwater harvesting, networking with organizations/institutions, private sector, and individual experts in the South Asia Region.
  • Strengthening a regional rainwater network to coordinate the identification and evaluation for RWH technologies with the purpose of promoting best practices in rainwater management.
  • Supporting effective advocacy towards governments and donor agencies.

Upcoming Events

Harvesting Rainwater: Essential to achieving 6.1 and for water security

UN 2023 Water Conference Virtual Side Event
19th March 2023 @ 9.00 AM (EST)/ 6.30 PM (IST)

Residential technician training program on rainwater harvesting and storage: Construction of the Sri Lankan ferro cement Pumpkin tank and Calabash tank of Malawi

Duration – 12th to 16th May 2023

Venue – Bandarawela, Sri Lanka

Mode Of Training – Classroom and on the Job

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Pumpkin-shaped rainwater tank popular in Sri Lanka to be adopted for Nepal Blue Schools Project

Blue Schools project of Kanchan Nepal constructs the Pumpkin shaped rainwater harvesting tank. Masons of Nepal were trained on constructing pumpkin-shaped rainwater tanks by Malkanthi a Sri Lankan lady mason trained by the Lanka Rainwater Harvesting Forum and facilitated by Kanchan Nepal and supported by the International Rainwater Harvesting AllianceiIRHA).

Votes for rainwater harvesting; an election candidate of Kathmandu in Nepal proposes rainwater harvesting as a measure to supply water to the communities not reached by the main supply

Mr. Balen Shah is a Rapper/Structural Engineer by Profession. He is a popular candidate for Mayor (Chair of Kathmandu Metropolitan City) in the local election. While giving an interview to a national televisions, a television channel he stated that even though the municipal water supply is fully functional there is an acute water problem in Kathmandu city. About 3% of the population will be still out of municipal water supply reach. This can be overcome or solved by applying Rainwater Harvesting Technology. Mr. Shah also spoke about recharging ponds to restore traditional water points/sources.Β  -Courtesy Kanchan Nepal for SARNET.

The Climate-resilient business model of Elpitiya Plantations a large tea production company in Sri Lanka featured in the SARNET 10th webinar receives a prestigious award from the Ceylon Chamber of Commerce

Managed by Aitken Spence Plantation Management PLC since 1997, Elpitiya Plantations owns 13 estates and 17 factories producing tea and other diversified crops. The Ceylon Chamber of Commerce ( the efforts of this organisation to reduce the environmental and water footprint of the β€˜Go Green and Beyond’ initiative by awarding the prestigious Best Corporate Citizen Sustainability Award 2021.

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Linking South Asian communities with a solution to a common problem

Sri Lankan mason shows how to construct pumpkin-shaped rainwater harvesting tank to masons in water-scarce Begnas region in Nepal
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Become a Young Rainwater Champion

Register now for the SARNET Young Rainwater Harvesting Champions (an initiative of the South Asia Rainwater Harvesting Network -SARNET)
RegisterMore Info


Recent Research

Recent research offers you an array of insightful information on the effectiveness of rainwater harvesting systems for domestic non-potable use and the water demand of the community, climate change and water conservation etc.

India maintains its rank among the top-performing countries

A report, published by German-watch along with Climate Action Network (CAN) and New Climate Institute, was released November 10 on […]

Do you want to record how much it rains where you live?

In modern record-keeping, rainfall is measured by the amount in a given time period, usually hourly or daily. A few […]

Citizens of Pune decided to use rainwater to address water scarcity and erratic supply by the municipal

Depleting groundwater levels, acute water scarcity and inadequate and erratic municipal supply made the residents of Baner Pashan link road […]

Irony of climate change discourses

The United Nations Framework Convention on Climate Change (UNFCCC) Conference of Parties 27’s (CoP 27) Egyptian presidency on September 29, […]

A glimpse of SARNET past events

Social Feed

South Asian Rainwater Harvesting Network
South Asian Rainwater Harvesting Network
Rainwater users share their stories this world water day
South Asian Rainwater Harvesting Network
The experiences of rainwater users from Malawi
South Asian Rainwater Harvesting Network
South Asian Rainwater Harvesting Network
Virtual debate live on SARNET You Tube
South Asian Rainwater Harvesting Network
South Asian Rainwater Harvesting Network
South Asian Rainwater Harvesting Network
We have planned to accelerate change to solve the water and sanitation crisis

Do you want to join hands with us and learn more about rainwater harvesting technologies, and systems, and experience the transformations?
South Asian Rainwater Harvesting Network
South Asian Rainwater Harvesting Network
What do you think? Are we on track to achieve SDG 6?
The Young Rainwater Champions may present new perspectives when they join for a debate and flex their knowledge and experiences from across the globe on access to clean water and sanitation.
Learn rainwater harvesting theories and practices, meet international water sector professionals, and experience the beauty of Sri Lanka.
Register before the 25th of March to reserve your seat
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The Young Rainwater Champions will debate to defend and oppose - "accelerating change to solve the water and sanitation crisis" on the 16th of March 2023 at 4.30p.m(India Standard Time).
Register for the event now at
AsiaSarnet photo
Baarish Sanvaad EP 4 - Empowering women for water governance and development... via @YouTube
🌍🌑️πŸ’ͺ Women are on the frontlines of fixing the climate crisis, and we need their feminist leadership now more than ever! Let's engage men and boys to support them in this critical work. #IWD2023
#ClimateAction #FeministLeadership #EngageMenAndBoys πŸ™‹β€β™€οΈπŸ™‹β€β™‚οΈ"

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    Join the network

    South Asia Rainwater Network   We invite you to become a member of our network on RWH. Together we can certainly make a difference by supporting each other towards creating access to water for vulnerable population in the South Asian countries. Simply click the below link that you are interested in adding your organization to the network.   CLICK HERE TO REGISTER