Join our global community of hydro-environment leaders and change makers!

Founded in 1935, IAHR brings together over 5000 members to accelerate solutions and knowledge discovery about the water environment. Together we provide leading platforms for the exchange of experiences and expertise and we inspire and disseminate state-of-the-art knowledge and thinking.

Who Can Join?

• Individual membership (from 12€ per annum): Our vibrant community includes knowledge makers and consumers, top and emerging scholars and leaders in the field of Hydro-Environmental science, engineering and research. Whether you are a scientist, engineer, policy-maker, academic, expert, student or professional, you are invited to join IAHR. We welcome members from all backgrounds and countries - and our Young Professional Networks cater specifically to emerging professionals aged 18-35.

• Institute membership (from 200€ per annum): Institute memberships are open to all organisations who support the IAHR mission. Whether you are a company, a research laboratory, an engineering firm, a manufacturer, a water authority, a consultancy, or an educational institution, by joining IAHR as an Institute Member, you'll be part of our highly-regarded thought-leading global community, with invaluable opportunities to connect with likeminded people and organisations.

Become a Member Renew Your Membership

What are the Benefits of Joining IAHR?

By joining IAHR, you gain access to opportunities, events, networks and knowledge that can help you to advance and extend your career and projects while being part of an important change. 

The benefits of becoming an IAHR member include participation on committees and groups which influence research agendas and enable knowledge discovery, discounted subscriptions to journals and publications, discounts on event registrations and opportunities to promote your research, projects and achievements to a captive and engaged audience.

More Details on Benefits and Fee Rates:

Individual Membership Institute Membership

Honorary Members

IAHR honorary members are those who have made extraordinary contributions to Hydro-Environment engineering . This award is bestowed on up to three distinguished IAHR Members and/or individuals and institutions from outside the IAHR community at the biennial IAHR World Congress. 

Learn about our honorary members.

Contact Us

 For more information on IAHR membership,  please contact us at membership@iahr.org or sign up online.