International Rainwater Harvesting Alliance

Alliance internationale pour la gestion de l'eau de pluie (IRHA)

Alianza internacional para la gestión del agua de lluvia (IRHA)

Organization in Special Consultative Status with the Economic and Social Council of the United Nations - July 2010
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Promotion of local knowledge and exchange of experiences


One of the main objectives of the IRHA is to serve as a platform for its members, facilitating the exchange of knowledge and scaling up good practices in the large field of rainwater harvesting. Domestic or productive use, agriculture or groundwater recharge, every field can be improved through imagination and work.


Here we are giving the floor to you. Please send us what you consider a successful experience. Give us an overview of the new technology which has improved the established concepts and schemes. Send us photos and description of the process and share your joy and satisfaction with the world.


Topic of Today

The Topic of Today is a platform for sharing new scientific and research studies related to rainwater harvesting. Always centred around a specific subject area, experts in the field of rainwater harvesting will be invited to share their knowledge on the Topic of Today!



We invite the public to distribute these papers to better spread the word of rainwater harvesting and to send in comments or ideas for future topics.


Our next Topic of Today is

Agricultural Rainwater Harvesting


We are looking for academic papers and studies on the use of rainwater harvesting in agriculture.


Past Topics of Today:


Groundwater Recharge

Rainwater Quality

Technologies from around the world

The articles below are of some interesting rainwater harvesting technologies and come courtesy of SearNet:


Brick Tank


Road Runoff Harvesting (RRH)


Water Pans for Runoff Water Harvesting


Rainwater Harvesting with Rock Catchment


Negarim Micro-Catchments for Fruit Tree Production


Planting Pits


Simple Drip Irrigation Kit


Plastic Lined Underground Tank


The Canzee Hand Pump


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