ICPR – International Commission for the Protection of the Rhine

Technical reports

Discover our report on the outcomes of the October 2023 ICPR workshop on heavy rainfall and flash floods in the Rhine basin. This document provides an overview of ongoing activities within the states and presents a series of ambitious and cross-cutting recommendations (flood…

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In some countries of the Rhine catchment, there already exists a state of the art for fish protection and fish descent for hydroelectric power plants of a certain size. For large plants, transitional measures are implemented in many places. Some countries or federal states have…

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Only four years after the extreme low water event of 2018, a new episode of pronounced low water occurred in 2022. It is largely due to low precipitation in spring and summer combined with above-average air temperatures.

The report presents in detail not only the evolution but…

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Update of the discharge scenarios for the Rhine basin using latest climate change findings

As part of its Program Rhine 2040 entitled "The Rhine and its Catchment - Sustainably Managed and Climate-resilient", the ICPR mandated its climate expert group (EG HCLIM) with an update…

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The report is only available in German, French and Dutch.

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The report is only available in German, French and Dutch.

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The report is only available in German, French and Dutch.

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The water quality of the Rhine and its tributaries is constantly monitored as part of the surveillance monitoring at the international monitoring sites. For the identification of the development of the Rhine water quality, these data are regularly compiled, validated and…

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The report is only available in German, French and Dutch.

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The Rhine Monitoring Programme Biology 2024/2025 records the joint monitoring on the main stream of the Rhine of the quality components phytoplankton, macrophytes / phytobenthos, macrozoobenthos and fish. Among others it includes the lists of monitoring stations and contacts, the…

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