International Office for Water
Developing capacities for better water management
in France, in Europe and around the world
in France, in Europe and around the world
Support & Cooperation
Training & Skills
Data & Information Systems
Networking of water stakeholders
Just published!
In 2025, how did OiEau support water sector stakeholders in tackling the challenges of the water transition? Take a look at a year of action, innovation and collaboration by reading our annual report.
Last news
Published on 07/30/26
5th International Conference on African Rivers: taking action for sustainable and integrated governance of transboundary river basins
Published on 07/16/26
Transboundary rivers of the Guiana Shield: from shared knowledge to historical governance
Published on 06/29/26
OiEau’s Solutions & Know-how: Facilitatation of stakeholders' networks
Climate change
Drinking water & Sanitation
Water, urban planning and sustainable development
Rainwater
Innovation
Nature-Based Solutions (NBS)
Published on 06/22/26
‘Water Management: 3 minutes to understand’ the water cycle and the nature-based solutions
Discover our current projects
Climate change
Water, urban planning and sustainable development
Rainwater
Integrated Water Resource Management (IWRM)
Nature-Based Solutions (NBS)
SpongeScapes - Evidence and Solutions for improving SPONGE Functioning at LandSCAPE Scale in European Catchments for increased Resilience of Communities against Hydrometeorological Extreme Events
EUROPE -
Germany, France, Greece, Italy, Netherlands, Poland, United Kingdom, Slovenia
October 2023 - October 2027
European Union
Climate change
Water, urban planning and sustainable development
Hydromorphology
Nature-Based Solutions (NBS)
NATALIE - Accelerating and mainstreaming transformative NATure-bAsed solutions to enhance resiLIEence to climate change for diverse bio-geographical European regions
EUROPE -
France, Belgium, Spain, Greece, iceland, Italy, Lettonie, Lithuania, Norway, Netherlands, Romania, United Kingdom, Swiss
September 2023 - August 2028
European Union
DYNOBA - Boosting African Transboundary Basin Organisations for improved water resource management in the context of climate change
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Discover the project
AFRICA -
Burkina Faso, Niger, Uganda, Senegal, Chad
January 2023 - December 2025
Agence française de développement AFD; Réseau Africain des Organismes de Bassin RAOB; IRD; CNES
Technical assistance to strengthen Bolivia's Integrated Water Resources Management (IWRM) policy and governance
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Discover the project
LATIN AMERICA & THE CARIBBEAN -
Bolivia - Río Katari basin ; Río Rocha basin
January 2021 - December 2023
Ministry of Environment and Water (MMAyA)