ICPR – International Commission for the Protection of the Rhine

Technical reports


In the Rhine basin, the year 2018 was marked by a pronounced precipitation deficit in the months from February to November. Initially, this resulted in a marked low water level in the smaller bodies of water and increasingly in the course of the year also in the entire Rhine,…

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In 2017, the ICPR conducted a special monitoring programme that included both target analysis and non-target analysis. Here, at each of 21 measuring points located in the main stream of the Rhine, as well as in the tributaries, 4 samples were collected. Based on the…

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The International Commission for the Protection of the Rhine (ICPR) has published recommendations on how states in the Rhine catchment can further reduce micropollutant inputs into waters. They particularly concern the areas of wastewater collection and wastewater treatment…

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During 2014 and 2015 the ICPR has implemented a first joint monitoring programme on the contamination of biota (fish) with pollutants in the Rhine catchment (see ICPR technical report no. 216). This pilot project has been evaluated by the Fraunhofer Institut in collaboration with…

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The technical report No. 251 follows on the reports on the evaluation and development of the Rhine water quality 2009-2012 (ICPR technical report No. 220) and 2013 - 2014 (ICPR technical report No. 239). The report takes into account the different international water quality…

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During the first half of the last century periods of low water on the Rhine were distinctly more pronounced. Discharges were lower, and low flow periods lasted longer than in the past 50 years. The perception that low water occurs more often than in the past is not correct.…

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Due to new developments and findings the “Master Plan Migratory Fish Rhine” of 2009 (ICPR report no. 179) has been updated. Complementary measures such as the evaluation and control of fishways, of measures against illegal fishery, and of stocking strategies as well as increasing…

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Since 2008, the ICPR has compiled information regarding the relevance of various micropollutants in the Rhine catchment area, and approaches to reducing water pollution. It has published the findings in various technical reports on groups of substances.

Based on the ICPR…

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In the Plenary Session, the President of the ICPR annually reports on the most important activities of the Commission in the past year.

This report is available in German, French and Dutch.

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The Warning and Alarm Plan Rhine (WAP) distinguishes between warnings, information and search reports.

The International Main Alert Centres (IHWZ) issue warnings in cases of water pollution incidents implying substances noxious to water, if the amounts or concentrations…

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