International Office for Water

Developing capacities for better water management
in France, in Europe and around the world

Support & Cooperation

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Training & Skills

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Data & Information Systems

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Networking of water stakeholders

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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.

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Last news

Aquatic Biodiversity Climate change Hydromorphology Aquatic ecosystem
Published on 09/10/26
Water Management: 3 minutes to understand aquatic environments and biodiversity
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Drinking water & Sanitation
Published on 09/08/26
Water Skill Masterclass: discover the OiEau’s new video series!
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Water cycle in industry Drinking water & Sanitation Circular economy & Waste Reducing use and abstraction: cutting water consumption and loss
Published on 08/26/26
New approaches to wastewater management: drawing on the EU’s experience to promote good water management in Armenia
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Climate change Integrated Water Resource Management (IWRM) Aquatic ecosystem
Published on 08/14/26
Drought in France: Data at the Heart of Hydrological Crisis Management
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Save the date!

Climate change Integrated Water Resource Management (IWRM) Innovation
2026 EuroMediterranean Water Forum
from Tuesday, september 29, 2026 to Friday, october 2, 2026
In person
La Nuvola - Viale Asia 40/44, 00144 Roma - Italy

See the event S'inscrire
Climate change Drinking water & Sanitation Integrated Water Resource Management (IWRM) Flooding Innovation
EURO-INBO 2027
from Tuesday, may 25, 2027 to Friday, may 28, 2027
In person
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See all the next events

Discover our current projects

Water cycle in industry Optimisation, sensors, automation, modelling Health risks related to water, sanitation and staff interventions
EmerGO - Tracking pollutants in water for safer food and drink systems
EUROPE - France, Greece, Germany, Belgium, South Korea, Spain, Italy, Netherlands, United Kingdom, Serbia
June 2026 - May 2030
Commission Européenne
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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
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Climate change Integrated Water Resource Management (IWRM) Aquatic ecosystem
DYNOBA - Boosting African Transboundary Basin Organisations for improved water resource management in the context of climate change
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
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Climate change Drinking water & Sanitation Integrated Water Resource Management (IWRM)
Technical assistance to strengthen Bolivia's Integrated Water Resources Management (IWRM) policy and governance
LATIN AMERICA & THE CARIBBEAN - Bolivia - Río Katari basin ; Río Rocha basin
January 2021 - December 2023
Ministry of Environment and Water (MMAyA)
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See all of our current projects
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