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Water protection
Waterbodies provide habitats for plants and wildlife, and recreation areas for the public. They are also a source of drinking water. Today, thanks to protection measures and the expansion of wastewater treatment facilities, the quality of Switzerland's waterbodies is, for the most part, excellent.
However, substances such as pesticides and pharmaceutical residues are having an increasing impact on waterbodies. In addition, many watercourses that have been altered by man-made structures need to be restored to a more natural state, so that they can once again serve as species-rich habitats.
FOEN seeks to ensure that hazards are recognized in good time and that water resources are preserved for future generations.
Water protection topics:
Surface waters
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How has the quality of Switzerland's lakes and rivers developed over time? And what can be done to improve the situation?
Groundwater protection
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Groundwater accounts for about a fifth of Switzerland's water reserves. More than 80% of the country's drinking water is obtained from this source.
Residual flows
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Numerous rivers dry up periodically as a result of water withdrawals. In addition, flow rates may fluctuate widely downstream of hydropower plants.
Wastewater
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Treatment of polluted wastewater is an essential requirement for the long-term preservation of aquatic ecosystems.
Agriculture
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The use of fertilizers, pesticides and veterinary medicines, as well as crop irrigation, has both qualitative and quantitative impacts on waterbodies.
Acts, ordinances and enforcement aids
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Overview of the legal foundations of water protection.
Publications and links
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Details of FOEN publications and links to additional sources of information on water protection.