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
2024 Annual Report
The OiEau 2024 Annual Report is now online: read about the highlights of the year and the OiEau's achievements in France, Europe and around the world.
For OiEau, 2024 was marked by a strengthening of its teams, major investments in education, the development of European projects, strong participation in major events in the water community and the signing of partnerships.
Discover an extract from the 2024 Annual Report in video
Last news
Published on 10/03/25
Space at the service of water: the work of OiEau
Published on 10/01/25
Aquatic Biodiversity Letter - September 2025 - Pibales or elvers: threats to grey gold
Published on 09/29/25
SCREEN project: study trip to strengthen cooperation on space hydrology
Published on 09/18/25
OiEau publishes its 2024 Annual Report
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)