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Events calendar

3rd International Workshop on


Labyrinth and Piano Key Weirs


Qui Nhon, Vietnam


22-24 February 2017


Click here for more info

International Conference
and Exhibition




Marrakech, Morocco

14 to 16 March 2017


Click here for more info


USSD 37th Annual Meeting and Conference


Anaheim, California


April 3-7, 2017


View the website here

85th ICOLD Annual Meeting


Prague, Czech Republic


3 to 7 July 2017


View the website here


4th International Conference on

"Long-Term Behavior and Environmentally Friendly Rehabilitation Technologies of Dams (LTBD 2017)"


17th – 19th October 2017

Tehran, IRAN


Click here for more details


26th Congress &

86th ICOLD Annual Meeting


Vienna, Austria


1 to 7 July 2018


View the website here



The International Commission on Large Dams groups National Committees which are organized in countries wishing to become member. The Commission is directed by :


logo The General Assembly consisting of representatives from all the Member Countries and of the Officers of the Commission. The meeting is held during the Annual Meeting. Any independent country can become a "Member Country" and constitute a National Committee consisting of persons competent in the matters relating to dams. The General Assembly is in charge of resolving all questions concerning organisation and direction of studies, investigations and experiments, administration of all funds and properties, operation of the Central Office and any other relevant business of the Commission ; it shall approve the budget of receipts and expenditure, appoint and organise all Committees, and elect new Member Countries.
Reunion 1964
logo The Board consisting of the President, the six Vice Presidents, the Secretary-General and the Treasurer. Officers are elected by the Commission on a three-year mandate non-renewable except for Secretary-General and Treasurer.
Central Office
logo The Central Office established in Paris and dealing with the business of the Commission. The Central Office is under the general direction of the President assisted by the Secretary General and Treasurer and the staff necessary for the efficient working of the Office.
logo The Technical Committees and Administrative and Special Committees appointed by the Commission. The official languages are French and English.


The Official documents (Constitution, By-Laws, Board,...) are in the "Institutional Files" part.


Publications publications
148 New  
Bulletin 148
Selecting seismic parameters for large dams - Guidelines (revision of Bulletin 72)
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157 New  
Bulletin 157
Small dams: Design, Surveillance and Rehabilitation
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146 New  
Bulletin 146
Dams and Ressetlement - Lessons learnt and recommendations
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Registre des Barrages  
The WRD is the best available data basis on dams in the world and we are constantly striving to better it.
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166 New  
Bulletin 166
Inspection of dams following earthquake - guidelines
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Latest Bulletins Promo  

Bulletins' Package: 4 Latest Bulletins

- Bulletin 146

- Bulletin 148

- Bulletin 157

- Bulletin 166

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