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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IAHR World Congresses

The IAHR World Congress is one of the most important activities of the International Association for Hydro-Environment Engineering and Research (IAHR) which typically attracts between 800 and 1500 participants from around the World. 
Based on four main themes, the congress offers technical programmes, seminars, technical workshops, presentations, plenary sessions and social events alike, and the respected Ippen, Kennedy and Schoemaker Awards are presented. This congress is the place for the hydraulic engineering community to meet across borders and exchange experiences, seek advice and get inspired.

Interested in hosting the IAHR 2023 World Congress?

IAHR Members are cordially invited to submit expressions of interest to host the 40th IAHR World Congress which will be held in 2023.

Expressions of Interest should be submitted to the IAHR Secretariat before December 1st and prospective applicants are strongly recommended to contact IAHR Executive Director, Dr Christopher George, for an informal discussion as a first step.

The IAHR Council will select the Congress venue at its meeting in summer 2018. The forthcoming world Congress will be in Panama in 2019 and in Granada, Spain in 2021.

Next World Congress

38th IAHR World Congress "Water: Connecting the World", 1-6 September 2019, Panama City, Panama Website

Past Congresses

37th IAHR World Congress, 13-18 August 2017, Kuala Lumpur, Malaysia "Learning from the Past for the Future"  http://www.iahrworldcongress.org

36th IAHR World Congress, 28 June - 3 July 2015, The Hague, The Netherlands "Deltas of the Future (and what happens upstream)"  http://www.iahr2015.info/  eProceedings

35th IAHR World Congress, 8-13 September, Chengdu, China "The Wise Find Pleaasure in Water"  1st announcement  2nd announcement  2nd announcement B  Congress Handbook  Participants List  Book + CD  Proceedings E-shop

34th IAHR World Congress, 26 June - 1 July 2011, Brisbane, Australia "Balance and Uncertainty - Water in a Changing World"  CD  Table of contents  E-shop  E-library (only for members)

33rd IAHR World Congress, 9-14 August 2009, Vancouver, Canada "Water Engineering for a Sustainable Environment"  CD  E-shop  E-library (only for members)

32nd IAHR World Congress, 1-6 July 2007, Venice, Italy "Harmonizing the Demands of Art and Nature in Hydraulics" Book + CD  Table of contents  E-shop  E-library (only for members)

31th IAHR World Congress, 11-16 September 2005, Seoul, Korea "Water Engineering for the Future-Choices and Challenges"  Table of contents  E-shop

30th IAHR World Congress, 24-29 August 2003, Thessaloniki, Greece "Water Engineering and Research in a Learning Society: Modern Developments and Traditional Concepts"  E-shop

29th IAHR World Congress, 16-21 September 2001, Beijing, China "21st Century: The New Era For Hydraulic Research"  E-shop

28th IAHR World Congress, 22-27 August 1999, Graz, Austria ​​"Hydraulic Engineering for Sustainable Water Resources Management at the Turn of the Millenium" E-shop

27th IAHR World Congress, 10-15 August 1997, San Francisco, USA "Water For A Changing Global Community" E-shop

26th IAHR World Congress, 11-15 September 1995, London, UK E-shop

25th IAHR World Congress, 30 August - 9 September 1993, Tokyo, Japan

24th IAHR World Congress, 9-13 September 1991, Madrid, Spain Table of contents

23rd IAHR World Congress, 21-25 August 1989, Ottawa, Canada

22nd IAHR World Congress, 31 August - 4 September 1987, Lausanne, Switzerland

21st IAHR World Congress, 13-18 August 1985, Melbourne, Australia

20th IAHR World Congress, 5-9 September 1983, Moscow, Russia

19th IAHR World Congress, 2-7 February 1981, New Delhi, India

18th IAHR World Congress, 10-14 September 1979, Cagliari, Italy "Hydraulic Engineering in Water Resources Development and Management"

17th IAHR World Congress, 15-19 August 1977, Baden, Germany "Hydraulic Engineering for Improved Water Management"

16th IAHR World Congress, 27 July-1 August 1975, Sao Paulo, Brazil

15th IAHR World Congress, 1973, Istanbul, Turkey "Research And Practice In The Water Environment"

14th IAHR World Congress, 29 August - 3 September 1971, Paris, France

13th IAHR World Congress, 31 August - 5 September 1969, Kyoto, Japan

12th IAHR World Congress, 11-14 September 1967, Fort Collins, Colorado, USA

11th IAHR World Congress, 1965, Leningrad, Russia

10th IAHR World Congress, 1-5 September 1963, London, UK

9th IAHR World Congress, 4-7 September 1961, Dubrovnik, Yugoslavia

8th IAHR World Congress, 2-5 September 1959 Montreal Canada

7th IAHR World Congress, June 1957, Lisbon, Portugal

6th IAHR World Congress, July 1955, The Hague, The Netherlands

5th IAHR World Congress, 1-4 September 1953, Minneapolis, USA

4th IAHR World Congress, 2-5 March 1951, Bombay, India

3rd IAHR World Congress, 1949, Grenoble, France Table of contents

2nd IAHR World Congress, 7-9 June 1948, Stockholm, Sweden Table of contents

Postponed Congress, 1939 Liège, Belgium

1st IAHR World Congress, 4-7 October 1938, Berlin, Germany