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
Last news
Climate change
Drinking water & Sanitation
Reducing use and abstraction: cutting water consumption and loss
Integrated Water Resource Management (IWRM)
Published on 10/23/26
Kyrgyzstan : three-day training course on basin planning and water use permits
Climate change
Water, urban planning and sustainable development
Integrated Water Resource Management (IWRM)
Flooding
Published on 10/13/26
International Day for Disaster Risk Reduction: OiEau is committed to building more resilient territories
Published on 10/06/26
Satellite imagery, combined with the power of artificial intelligence, is becoming the new guardian of our water resources
Published on 09/08/26
Water Skill Masterclass: discover the OiEau’s new video series!
Save the date!
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
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
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
Drinking water & Sanitation
Climate change
Integrated Water Resource Management (IWRM)
Water, urban planning and sustainable development
Water cycle in industry
SOLUCIR - Solutions for Circular Water and Decentralisation
EUROPE - AFRICA -
South Africa, Germany, Belgium, Spain, France, Greece, Italy, Netherland, United kingdom
January 2026 - December 2029
European union, NTUA, KWR, KWB, EURECAT, ICL, UNIVPM, MELiSSA, WE, BWB, DEYAL, De Watergroep, ACSA, CIIP SPA, WRC
Technical assistance to strengthen Bolivia's Integrated Water Resources Management (IWRM) policy and governance
Discover the project
LATIN AMERICA & THE CARIBBEAN -
Bolivia - Río Katari basin ; Río Rocha basin
January 2021 - December 2023
Ministry of Environment and Water (MMAyA)