The International Water Association is the network of water professionals striving for a world in which water is wisely, sustainably and equitably managed.

Drawing exceptional professionals from more than 140 countries, the membership of the International Water Association (IWA) brings together scientists, researchers, technology companies, water and wastewater utilities, and wider stakeholders involved in water management.

As the largest membership association for the global water sector, the Association was launched in its current identity in 2000, building on a 70-year heritage of connecting water professionals around the world. IWA is an international reference for the water and sanitation industry.

The IWA membership communities contribute and develop the IWA Agendas. Meet us at the IWA World Water Congress & Exhibition, the IWA Water and Development Congress & Exhibition and our Specialist Groups Conferences worldwide. IWA is science-driven and sets the agenda with the publication of 12 scientific journals and 40+ books per year by IWA Publishing.

Connect to the world’s leading water professionals


From the IWA network around the world.
September 26, 2022
IWA and AfWA have renewed their commitment to promote a strategic and cooperative relationship between the two organisations by identifying areas of convergence...
September 20, 2022
A hugely successful week focused on ‘Water for Smart Liveable Cities’ The International Water Association’s 2022 World Water Congress & Exhibition off...
September 14, 2022
Thursday 15 September | 09:00 -09:50 Gertjan Medema, Principal Microbiologist at KWR and Professor of Water & Health at Delft University of Technology, Neth...
September 13, 2022
13th IWA Project Innovation Awards 18 Winners in six Award Categories Keppel Marina East Desalination Plant wins Grand Innovation Award   Copenhagen, Denma...

Blog Posts

Opinion and insights on the critical challenges facing the water sector.
September 14, 2022
Aging water infrastructure is an issue for many cities, and when coupled with the impacts of climate change and tight budget allocations to facilitate upgrades,...
September 14, 2022
Logan Water has pioneered an Australian and most likely a world first; a facility which transforms biosolids into renewable energy and a sustainable product cal...
September 13, 2022
Lake Erhai is the seventh largest freshwater lake in China attracting many visitors worldwide. However, the water quality has significantly deteriorated through...
September 2, 2022
You can turn wastewater straight to drinking water instead of taking a detour through nature. That seems like a bold statement for the average person, but in re...

IWA Thought Leadership

Recognised for their unique and significant long-term contributions to advancing water science and management


Responding to global water challenges, IWA progressive agendas support sustainable urban and basin-related water solutions.
Skanderborg Forsyning

The Danish water utility Skanderborg Forsyning affirms that when it comes to water security in a changing climate, using nature-based solutions at the local level was never a question. Climate change projects are an opportunity to adapt using nature to deal with increased rainfalls and prevent the flooding of urban areas.

IWA Stories: Fionn Boyle

Fionn is a project engineer focused on smart water systems and a member of the Institute of Water in the UK. At Anglian Water Services, he serves on the Future Leaders board.
During the video, Fionn gives a snapshot of his journey so far in the water sector and the benefits it has afforded him.

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Specialised conferences, forums and seminars on a the key issues in water management in locations worldwide.

The Source Magazine

The latest from the International Water Association Magazine
September 01, 2022
Water scarcity and reuse, strict regulation as well as constant pressure to cut costs and find environmentally friendly solutions, are [...]
August 28, 2022
Kala Vairavamoorthy explains how systems thinking can help us tackle complex water problems and avoid unintended consequences.   I recently [...]
August 28, 2022
International collaboration will be essential to achieving the Sustainable Development Goals and this will require trusted partners to facilitate negotiations. [...]
August 28, 2022
Industries are seizing the benefits of water reuse. Following a recent IWA webinar, The Source looks at this increasing focus [...]


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