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Vienna, 1 July 2025 (Motto am Fluss) - Held every six years, the Joint Danube Survey (JDS) builds on the legacy of its predecessors and brings together experts from across the Danube River Basin and beyond for its implementation. The Survey conducts the most comprehensive scientific analysis of Europe’s second-longest river. Today marks the official launch of the fifth edition of this unique initiative: JDS5.

Paris, 12 June 2025 – As UNESCO celebrates 60 years of global water science and the 50th anniversary of the International Hydrological Programme (IHP), the ICPDR proudly contributed to this international milestone by co-hosting a side event that placed the Joint Danube Survey 5 (JDS5) firmly in the spotlight.

The Joint Danube Survey 5 (JDS5), the world’s most comprehensive investigative surface-water monitoring effort, will officially kick off on 1 July 2025 in Vienna. This large-scale scientific survey will bring together experts from 14 countries to assess the health of the Danube River and its major tributaries.

On October 10th and 11th, the much-anticipated biannual Danube Forecasting Forum (DAFF) took place in Budapest, Hungary. Organized in collaboration with the International Commission for the Protection of the Danube River (ICPDR) and the EU Joint Research Center (EU JRC), this event brought together stakeholders from the 13 countries along the Danube and members of the Danube Youth Council (DYC) under EUSDR PA5.

In accordance with Article 4 of the EU Floods Directive (FD), the first milestone in the FD basin-wide implementation is undertaking a preliminary flood risk assessment (PFRA), as well as identifying those areas for which it has been concluded that potential significant flood risks exist or might be considered likely to occur, so-called Areas of Potential Significant Flood Risk (APSFR), as in accordance with FD Article 5.

VIENNA – 29 April 2021. Coordinated with the ICPDR, many hundreds of experts in the countries of the Danube River Basin as well as other actors engaged in the fourth Joint Danube Survey – JDS4 – in 2019 and 2020. The final results have now been published and made available to the public and scientific communities online.