IAHR, founded in 1935, is a worldwide independent member-based organisation of engineers and water specialists working in fields related to the hydro-environmental sciences and their practical application. Activities range from river and maritime hydraulics to water resources development and eco-hydraulics, through to ice engineering, hydroinformatics, and hydraulic machinery.
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Roll of Honour

Any member who introduces a new member is eligible for a free book! The new member should add your name in the field "Introduced by" in the application form.

Membership Benefits

*Including surface air lifted mailing worldwide 
In addition to these tangible benefits, membership of IAHR brings you within the worldwide community of water engineers and researchers. You will be welcome to take part actively in the various working groups and committees of the association.

2017 Fees

2017 Fees High Income Countries* Low Income Countries*
Base 90 € 45 €
Senior1, Young Professionals2 45 € 22 €

*IAHR Membership is available on a two-tier fee structure with fees considerably lower for members from Lower income countries. Countries are classified on the World Bank Classification Index. Low and Middle income countries are classified as IAHR as "lower" fee rate.
Check here to see whether your country is included in the High or Low income bracket

1 Senior Members: older than 65 years or retired people younger than 65 years
 Young Professionals: younger than 30 years

Institute Membership is also available for research institutes, engineering firms, universities and consultants click here
NB After joining online please email us at membership@iahr.org indicating which of the two books you prefer!