JDS5 Officially Launching in July 2025!

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.

Slogan "Zoom into Danube" illustrated with a magnifying glass over the word "into"

About JDS5

Welcome to the the website of the 5th Joint Danube Survey (JDS5), the most comprehensive investigative surface-water monitoring effort in the world.

A man sampling in the river

Expected Outcomes

With the aim of obtaining a complex picture of the water quality in the Danube and its major tributaries, the annual assessment of water quality – published every year in the ICPDR TransNational Monitoring Network’s (TNMN) Yearbooks – has been supplemented by periodic investigations: the Joint Danube Surveys.

image of two men giving their back to the camera in a large meeting room

Get Involved!

Public outreach and engagement have always been a cornerstone of the Joint Danube Surveys. JDS5 offers numerous ways to expand on the strong outreach approach previously established in JDS1-4 to make sure the public can join the mission.