Engage with leaders worldwide

IWA is comprised of leading water professionals in science, research, technology and practice.  There are 10,000 individual and 400 corporate members, spread across 130 countries.

By joining IWA, you become part of a fellowship of like-minded water sector specialists operating at the heart of innovation in both research and practice. The benefits of membership are varied and significant - ranging from discounts on publications through to opportunities to collaborate with the leaders in your chosen field.

Tackle critical emerging issues

IWA runs a series of events, projects, interest and specialist groups helping members to share views, enhance knowledge and contribute to water development worldwide. 

The range of IWA groups spans 45 technical issues, relating to both hardware and software subjects.  Recent impact assessment studies highlight the value these groups have on policy and practice in the sector.  For more information, see group events and see how you can get involved.

Knowledge and innovative thinking

IWA Publishing is a leading international publisher on all aspects of water, wastewater and related environmental fields. IWA members receive generous discounts on all publications and online services.

IWA Publishing maintains a dynamic publishing programme, including leading academic journals, books and online services  Publishing prints and distributes the IWA magazine, Water 21, to approximately 15,000 readers worldwide.