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Swiss residual flow maps Return flows
Regions and cities, Environment
The Federal Act of 24 January 1991 on the Protection of Water against Pollution (LPEP) and its provisions on residual flows came into force on November 1, 1992 in Kraft getreten...
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Topographical catchment areas of Swiss waterbodies 40 km²
Regions and cities, Environment
The "40 km² catchment areas" data set is one of four possible aggregation levels for the "Topographical catchment areas of Swiss waterbodies" geodata set. It consists of a compr...
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Database of wastewater treatment plants (ARA-DB) - percentage waste water in...
Education, culture and sport, Energy, Regions and cities, Environment
Since the 1980s, the FOEN (formerly the Swiss Agency for the Environment, Forests and Landscape) has kept a database with information about the central ARA. The underlying origi...
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HQStat flood statistics
Regions and cities, Environment
Data on flood events is managed and statistically evaluated by the FOEN; the findings are made available in the form of result sheets. A systematic statistical evaluation of flo...
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Hydrological study areas
Regions and cities, Environment
Since 1957 the hydrology division of the FOEN has operated a network of hydrological study areas aimed at observing long-term changes in the water regime within Switzerland’s mo...
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National Air Pollution Monitoring Network NABEL: stations
Regions and cities, Environment
The National Air Pollution Monitoring Network (NABEL) monitors air quality at 16 different locations in Switzerland. The monitoring stations are spread over the entire country a...
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Interregional wildlife corridor
Regions and cities, Environment
First, known wildlife corridors were recorded from existing data at the cantonal level, and potential corridors were detected by GIS and then divided into wildlife corridors of ...
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Federal Inventory of Landscapes and Natural Monuments
Regions and cities, Environment
Article 5 of the Federal Act of 1 July 1966 on the Protection of Nature and Cultural Heritage (NCHA) orders the Federal Council to compile inventories of sites of national impor...
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Database of cross sections (CS) - surveyed sections
Regions and cities, Environment
The map shows the reaches of watercourses which are currently surveyed periodically under the leadership of the FOEN. They are usually surveyed every 10 years or after major flo...
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Assessment of the Chemical Water Status: Nitrate
Regions and cities, Environment
Within the National Surface Water Quality Monitoring Programme (NAWA), water quality is recorded jointly by the federal and cantonal authorities at around 100 monitoring station...
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NQStat low-flow statistics
Regions and cities, Environment
A wide variety of parameters may be used to describe low-flow events. The FOEN Hydrology Division's low-flow statistics are based on the recommendations of the German Associatio...
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Protected areas in the civilian air navigation obstacles - Other protected areas
Regions and cities, Transport
Under Art. 19 of the Off-Aerodrome Landing Ordinance (OALO; SR 748.132.3), protected areas comprise national parks, raised and transition bogs, water and migratory bird reserves...
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Federal Inventory of Dry Grasslands of National Importance (DGS)
Regions and cities, Environment
Dry grasslands are habitats with a wide variety of species that are marked by agricultural use. In accordance with the Federal Act on Protecting Nature and Cultural Heritage, th...
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Amphibians appendix 3
Regions and cities, Environment
There are currently 19 different amphibian species that live in Switzerland, and nearly all of them are included in the Red List of Threatened Species. The areas that contain we...
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Federal Inventory of Amphibian Spawning Sites of National Importance - Shifting Sites
Regions and cities, Environment
There are currently 19 different amphibian species that live in Switzerland, and nearly all of them are included in the Red List of Threatened Species. The areas that contain we...
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Protected areas in the civilian air navigation obstacles publication -...
Regions and cities, Transport
Under Art. 19 of the Off-Airport Landing Ordinance (AuLaV; SR 748.132.3), protected areas comprise national parks, raised and transition bogs, water and migratory bird reserves,...
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Protected areas in the civilian air navigation obstacles publication - Floodplains
Regions and cities, Transport
Under Art. 19 of the Off-Airport Landing Ordinance (AuLaV; SR 748.132.3), protected areas comprise national parks, raised and transition bogs, water and migratory bird reserves,...
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Federal Inventory of Floodplains of National Importance - Appendix 2
Regions and cities, Environment
Floodplains, namely natural habitats in the flood zones of watercourses, are in decline. The scientific inventory of floodplains was commissioned by the FDHA in May 1981 and com...
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Perimeters of existing spectral micro-zoning studies
Regions and cities, Environment
Perimeters for which a spectral seismic micro-zonation study is available with links to further information. The amplification of seismic waves through the local geology is mode...
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Database of total bedload (federal government)
Regions and cities, Environment
A bedload transport database for surface waters throughout Switzerland. Following the devastating events of the summer of 1987, which caused major damage in many regions of Swit...
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Mapping of Floodplains of National Importance
Agriculture, fisheries, forestry and food, Regions and cities, Environment
In order to give cantons the option of taking the protection of floodplains of probable national importance into their own hands as quickly as possible, the Swiss Agency for the...
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Topographical catchment areas of Swiss waterbodies: Area outlets
Regions and cities, Environment
The "Area outlets" data set is part of the "Topographical catchment areas of Swiss waterbodies" geodata set. It consists of point objects that represent the area outlets for a p...
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Assessment of the Biological Water Status: Macrozoobenthos
Regions and cities, Environment
. Within the National Surface Water Quality Monitoring Programme (NAWA), water quality is recorded jointly by the federal and cantonal authorities at around 100 monitoring stati...
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Assessment of the Chemical Water Status: Nitrite
Regions and cities, Environment
Within the National Surface Water Quality Monitoring Programme (NAWA), water quality is recorded jointly by the federal and cantonal authorities at around 100 monitoring station...
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Water temperature monitoring stations
Regions and cities, Environment
The data set represents the locations of the stations in the water temperature monitoring network of the Hydrology Department of the Federal Office for the Environment (FOEN). I...