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.
January 25, 2021
In January 2021 the IWA Publishing team relaunched two of its titles, with new branding, aims and scopes, and editorial teams. The Journal of Water Reuse and De...
January 22, 2021
The Nature Conservancy has published a new report on the benefits of nature-based solutions for clean water for European cities. The report is entitled: ‘...
January 14, 2021
Renowned scientist and engineer Dr. Siddhartha Roy has won the IWA Young Leadership Award (2020/22). Dr. Roy will now also begin a two-year term as an industry ...
January 13, 2021
IWA’s 2019-2024 Strategic Plan is now available to view in the Japanese language. You can download the document here.

Blog Posts

Opinion and insights on the critical challenges facing the water sector.
January 14, 2021
In recent times, the water and sanitation sector has been progressing at varying speeds in different parts of the world.  Despite the progress made, as water a...
January 11, 2021
By Catarina Morais & Zach White of GSMA In Sub-Saharan Africa there are more unique mobile subscribers (477 million) than there are people with access to sa...
January 6, 2021
In 2015, the vast majority of countries committed to limiting global warming during a summit in Paris, France. Since then, a growing number of countries have pu...
December 18, 2020
Firstly, I wanted to wish you a very happy festive season and all the best for the New Year. We are truly grateful to all our members for their hard work, dedic...

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.

Dakar’s urban population is exploding with an annual growth rate of 2.5% and urbanisation rate of 97.2%. ONAS, the National Sewerage Company, is improving faecal sludge management (FSM) services in urban and peri-urban areas.

Nature-Based Solutions Utility Spotlight: Anglian Water

spotlight is part of a series of utility case studies intended to shed light on the opportunities and challenges facing regulators and water utilities in their efforts to incorporate nature-based solutions into water management.

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.

Latest developments in the water sector delivered to your inbox.


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
January 12, 2021
The International Water Association’s COVID-19 Task Force has prepared key guidelines to support water utility planning in the COVID-19 pandemic. [...]
January 12, 2021
Christopher Herzog, Arnd Wendland and Claudia Wendland share the experiences of Hamburg Wasser – the second largest German water and [...]
January 12, 2021
Danish water and wastewater utility VCS Denmark is already a net energy producer, but projects and innovations are set to [...]
January 12, 2021
The latest edition of the Global Biodiversity Outlook (GBO) should provide a wake-up call about our alarming trajectory. One is [...]


Practical intelligence
for water professionals

Delivered to your doorstep, email and mobile.