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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.

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.

Budapest, 27 June 2019 – The official kick-off for JDS4, the fourth Joint Danube Survey, is taking place in Budapest this year, starting up the Danube-wide survey in the heart of the Hungarian capital hosted by the City of Budapest and organised by the Hungarian Ministry of Interior and the General Directorate of Water Management (OVF).

On 2-3 June 2017 the sixth Youth Parliament of the Sava River Basin competition was held in Belgrade (Serbia). The motto for this year’s competition was “The Impact of Climate Change on the Lives of the Sava River Basin”. 60 students and teachers from nine secondary schools from the Croatia, Serbia, Slovenia and Bosnia-Herzegovina attended. The Sava Commission is an observer of the ICPDR.

Vienna, 22 March 2015. Just in time for this year's World Water Day, the Joint Danube Survey 3 Final Scientific Report was published today.

Vienna, 22 March 2015. The Joint Danube Survey 3 (JDS3) was the world’s biggest river research expedition in 2013. Its results are now available in a comprehensive report, which can be downloaded from this website.

Vienna, 24 October 2014. The final event of the SEE River Project will be integrated with next week's 6th European River Restoration Conference at Vienna’s TechGate. The final publication of SEE River is available in print and for download. The project has lasted from October 2012 until now.

Western Balkans, 19 May 2014 (updated 27 May). Resulting from the most intensive rain in a century, the worst floods in the Balkans for decades caused more than 40 dead and forced tens of thousands of people to leave their homes.