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 over 140 countries, the membership of the International Water Association (IWA) brings together scientists, researchers, technology companies, and water and wastewater utilities.

Being the largest membership association in the global water sector the Association builds on a 70 years heritage of connecting water professionals and started official operations in 2000. The 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.
August 2, 2021
A Memorandum of Understanding (MoU) has been signed between the International Water Association (IWA) and the GEO AquaWatch initiative. IWA is the leading netwo...
July 28, 2021
A judging panel with expertise in a wide range of sectors and disciplines, from open data to sustainability, has been announced for a £40 million competition d...
July 26, 2021
Utilities, as large producers of GHG emissions, have a big role to play in the green transition and have an opportunity to act as trail blazers for other sector...
July 16, 2021
Helmut Kroiss IWA President 2014-2016 and Professor Emeritus at Vienna University of Technology, has been awarded the Prechtl Medal for his commitment to river ...

Blog Posts

Opinion and insights on the critical challenges facing the water sector.
August 5, 2021
The Lhasa Najin Water Treatment Plant (WTP) was built in 2017 at total cost of 1.38 billion CNY (approximately 213 million USD) and has been designed to treat a...
August 2, 2021
Future City Flow was implemented to visualize and communicate the effects of measures undertaken and to identify target values as part of a 10 years plan, and h...
July 29, 2021
Managing ageing infrastructure and large networks of water systems are big challenges facing water companies all over the world. In 2021, a study led by a team ...
July 22, 2021
In the ongoing COVID 19 pandemic, some face masks used to control the spread of the virus as personal protective equipment (PPE) have become an emerging threat ...

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.

Xi’an is located in the middle of the Yellow River basin, one of the largest river basins in the world. Even with all this water around, the city still faces severe water shortages for a growing population.

Melbourne Basin

Melbourne is the state capital of Victoria and Australia’s second biggest city. Facing a variable climate; the region is facing more periods of extreme heat and drought, reductions in annual rainfall and increases in intense rainfall events.

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
July 23, 2021
Professor David Sedlak shared his views on the opportunities ahead for a new approach to water in his keynote presentation [...]
July 23, 2021
By Keith Hayward Highlighting drought as an “existential threat to many parts of the world”, the UN Office for Disaster [...]
July 23, 2021
The International Union for Conservation of Nature (IUCN) and NatureMetrics are to work in partnership to create a global atlas [...]
July 23, 2021
Get your free PDF copy now – the ABC of water treatment. Kemira has updated and republished the esteemed and [...]


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