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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 Tuesday 12 and Wednesday 13 December 2017, the ICPDR held its 20th Ordinary Meeting in Vienna. Beside the heads of delegation and representatives of 13 of the contracting parties to the ICPDR, around 85 participants from all Danube countries, observers and invited guests attended this important event.

On 6 and 7 December 2016 the ICPDR held its 19th Ordinary Meeting in Vienna.
Beside the heads of delegation and representatives of the 15 contracting parties to the ICPDR, about 60 participants from all Danube countries, observers and invited guests attended this important event.

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, 11 - 12 December 2012. The ICPDR has held its 15th Ordinary Meeting in Vienna. At this plenary meeting of the commission, important decisions were made. Here you find a photo gallery showing some of the highlights.