Lake temperatures

Brennpunkt Temperaturmessbojen

Swiss lakes: New stations monitor water temperature in real time

14.11.2022 - The FOEN launched a pilot project to record the water temperature of individual lakes using automatic data buoys. This data is freely available. Experts will assess the feasibility of extending temperature monitoring to other lakes. Knowing about changes in lake temperatures is crucial to better understanding the lake ecosystem and makes it possible to monitor the effects of climate change.

Strategy on Antibiotic Resistance (StAR)

Swiss Antibiotic Resistance Report 2022

Antibiotic use in Switzerland is falling

14.11.2022 - The “Swiss Antibiotic Resistance Report 2022” reveals that both doctors and veterinarians have prescribed ever fewer antibiotics in recent years. It has also been possible to put the brakes on resistance development for the time being.

Low water in the Rhine

Low water in the Rhine

When the melt water is missing: More often low water expected in the Rhine in the future

11.07.2022 - Melting glaciers and less snow can lead to more often low-water situations in the Rhine from Basel to the North Sea - this is shown by the results of a recently completed research project commissioned by the transnational Commission on the Hydrology of the Rhine (CHR).



Swiss Water Bodies in a Changing Climate

16.03.2021 - There will be no general shortage, but water may be scarce depending on the region and time of year – conversely, heavier rainfall will lead to more local flooding. These and many more are the findings of the Hydro-CH2018 “Hydrological Principles of Climate Change”.

Media release of 16.03.2021



New publication: Use of environmental DNA to monitor aquatic ecosystems

What are the advantages and disadvantages, what methods are available, and what best practices and routine standards should be applied? These questions can all be answered by these guidelines on the use of eDNA methods for the biological analysis and evaluation of aquatic ecosystems.

At a glance

Water flow and flow regime

Water supply depends on natural factors and is influenced by hydropower production and climate change. The FOEN is monitoring the water flow and flow regime of Swiss bodies of water. 

Monitoring data and statistics

Current monitoring data on bodies of water, the possibility of obtaining data, information about extreme value statistics and data on the water withdrawn and returned

State of waterbodies

Despite the generally good quality of its water, residues from fertilizer and plant protection products, chemical residues from wastewater, as well as man-made structures and artificial obstacles damage surface and underground waters.

Ground water

Good quality groundwater is available in sufficient quantities almost everywhere in Switzerland. Traces of artificial, rather persistent substances are found mainly below cropland and in settlement areas.

Current news

All news

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