The federal environmental authority. It is responsible for ensuring that natural resources are used sustainably, that the public is protected against natural hazards, and that the environment is protected from unacceptable adverse impacts.

20 datasets found

  • Basis for determining Q347 flow rate

    Federal Office for the Environment FOEN
    Regions and cities, Environment

    The Water Protection Act specifies how appropriate residual flows can be determined. This applies to new water withdrawals and also to existing withdrawals for which concessions...

    Last updated: January 1, 2000

    • SERVICE
    • WMS
    • WMTS
    • ZIP
    • API
    • water-geographic
    • fsdi-federal-spatial-data-infrastructure
  • Diffuse dissolved phosphorus inputs into waters, modelled values

    Federal Office for the Environment FOEN
    Regions and cities, Environment

    Phosphorus inputs into waters represent an undesirable pollution load. Over recent decades high inputs of dissolved phosphorus have led to eutrophication of the lakes of the...

    Last updated: January 1, 2023

    • SERVICE
    • WMS
    • WMTS
    • HTML
    • phosphorus
    • environment
    • fsdi-federal-spatial-data-infrastructure
    • water-geographic
  • Balance areas (catchment areas) HADES

    Federal Office for the Environment FOEN
    Regions and cities, Environment

    The balance areas form the middle layer of the system of catchment areas that describe Switzerland’s hydrographical structure (Hydrological Atlas of Switzerland, HADES). They are...

    Last updated: January 1, 2004

    • SERVICE
    • WMS
    • WMTS
    • API
    • water-geographic
    • fsdi-federal-spatial-data-infrastructure
    • gewiss
  • Diffuse total nitrogen inputs into waters, modelled values

    Federal Office for the Environment FOEN
    Regions and cities, Environment

    Nitrogen inputs into waters represent an undesirable pollution load. Under the Convention for the Protection of the Marine Environment of the North-East Atlantic (OSPAR),...

    Last updated: January 1, 2023

    • SERVICE
    • WMS
    • WMTS
    • HTML
    • nitrogen
    • agriculture
    • fsdi-federal-spatial-data-infrastructure
    • water-geographic
  • Mean runoff (m³/s) and flow regime types for the river network of Switzerland

    Federal Office for the Environment FOEN
    Regions and cities, Environment

    For the entire Swiss river network natural runoff (m³/s) values (monthly and annual means) have been modeled and the flow regime types determined. «MQ-GWN-CH» constitutes a dataset...

    Last updated: December 31, 2000

    • SERVICE
    • WMTS
    • WMS
    • API
    • water-geographic
    • fsdi-federal-spatial-data-infrastructure
    • gewiss
  • Cantonal & private gauging stations (HADES 5.1.2)

    Federal Office for the Environment FOEN
    Regions and cities, Environment

    This set of data represents the locations of hydrometric gauging stations belonging to cantons (data source: “KANTON”) and private owners (data source: “HADES”). The data was...

    Last updated: January 1, 2003

    • SERVICE
    • WMTS
    • WMS
    • API
    • fsdi-federal-spatial-data-infrastructure
    • water-geographic
    • gewiss
  • Diffuse total phosphorus inputs into waters

    Federal Office for the Environment FOEN
    Regions and cities, Environment

    Phosphorus inputs into waters represent an undesirable pollution load. A total of some 3,400 tonnes of total phosphorus (dissolved and particulate phosphorus) enter Swiss waters...

    Last updated: January 1, 2023

    • WMS
    • WMTS
    • SERVICE
    • HTML
    • environment
    • phosphorus
    • fsdi-federal-spatial-data-infrastructure
    • water-geographic
  • HWGWP flood crest gauge

    Federal Office for the Environment FOEN
    Regions and cities, Environment

    This set of data depicts the locations of the federal flood measuring stations, known as "Hochwassergrenzwertpegel". The data was collected in 2005; readings are no longer being...

    Last updated: January 1, 2005

    • SERVICE
    • WMS
    • WMTS
    • ZIP
    • API
    • water-geographic
    • fsdi-federal-spatial-data-infrastructure
    • gewiss
  • General situation of groundwater levels and spring discharges

    Federal Office for the Environment FOEN
    Regions and cities, Environment

    The map provides an overview of the current groundwater levels and spring discharges in Switzerland compared with the expected conditions. The data is shown as below, above or...

    Last updated: September 21, 2016

    • SERVICE
    • WMS
    • ZIP
    • hydrology
    • water-geographic
    • fsdi-federal-spatial-data-infrastructure
  • NAQUA-QUANT Monitoring sites (NAQUA National groundwater monitoring)

    Federal Office for the Environment FOEN
    Regions and cities, Environment

    Groundwater is the result of the percolation of rainfall and the infiltration of river water. Groundwater levels and spring discharges therefore respond – though possibly with a...

    Last updated: January 30, 2015

    • SERVICE
    • WMS
    • ZIP
    • hydrology
    • water-geographic
    • fsdi-federal-spatial-data-infrastructure
  • Flood alert map

    Federal Office for the Environment FOEN
    Regions and cities, Environment

    The flood alert map shows the current flood danger level (1 to 5) for all and for the regions in relation to small and medium-sized rivers. The rivers of national interest are...

    Last updated: November 5, 2014

    • SERVICE
    • WMS
    • ZIP
    • flood
    • flowing-water
    • hydrology
    • water-geographic
    • natural-hazard
    • lake
    • fsdi-federal-spatial-data-infrastructure
  • Generalised background map for the representation of hydrological data

    Federal Office for the Environment FOEN
    Regions and cities, Environment

    In addition to the outline of Switzerland, the generalised background map displays a simplified, reduced watercourse network and some selected cities for improved orientation at...

    Last updated: October 23, 2014

    • SERVICE
    • WMS
    • WMTS
    • ZIP
    • API
    • hydrography
    • water-geographic
    • flowing-water
    • water-science
    • fsdi-federal-spatial-data-infrastructure
  • HQStat flood statistics

    Federal Office for the Environment FOEN
    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 flood...

    Last updated: January 1, 2014

    • SERVICE
    • WMS
    • WMTS
    • ZIP
    • API
    • gewiss
    • water-geographic
    • fsdi-federal-spatial-data-infrastructure
  • General situation of rivers and lakes

    Federal Office for the Environment FOEN
    Regions and cities, Environment

    The map shows the current Swissriver discharges and lake water levels compared with the monthly percentiles of the long term hourly averages (expressed in percentiles). The...

    Last updated: October 30, 2014

    • SERVICE
    • WMS
    • ZIP
    • lake
    • water-geographic
    • hydrology
    • flowing-water
    • fsdi-federal-spatial-data-infrastructure
  • Comparison of discharge and water gauge data with hazard levels

    Federal Office for the Environment FOEN
    Regions and cities, Environment

    The map shows the current discharge at all the stations, as compared with flood hazard levels.

    Last updated: October 30, 2014

    • SERVICE
    • WMS
    • ZIP
    • lake
    • water-geographic
    • hydrology
    • watercourse
    • fsdi-federal-spatial-data-infrastructure
  • Water temperature of rivers and streams

    Federal Office for the Environment FOEN
    Regions and cities, Environment

    The map provides an overview of current water temperatures in Switzerland's rivers.

    Last updated: October 30, 2014

    • SERVICE
    • WMS
    • ZIP
    • flowing-water
    • hydrology
    • water-geographic
    • fsdi-federal-spatial-data-infrastructure
  • Hydrological study areas

    Federal Office for the Environment FOEN
    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 most...

    Last updated: January 1, 2013

    • SERVICE
    • WMS
    • WMTS
    • ZIP
    • API
    • gewiss
    • water-geographic
    • fsdi-federal-spatial-data-infrastructure
  • Gauging stations for hydrological study areas

    Federal Office for the Environment FOEN
    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 most...

    Last updated: July 27, 2016

    • SERVICE
    • WMS
    • WMTS
    • ZIP
    • API
    • gewiss
    • water-geographic
    • fsdi-federal-spatial-data-infrastructure
  • Stations hydrological forecasts

    Federal Office for the Environment FOEN
    Regions and cities, Environment

    The map provides an overview of stations forecasted by FEWS.

    Last updated: January 30, 2015

    • SERVICE
    • WMS
    • ZIP
    • water-geographic
    • hydrology
    • flowing-water
    • fsdi-federal-spatial-data-infrastructure
  • National Long-Term Surveillance of Swiss Rivers

    Federal Office for the Environment FOEN
    Regions and cities, Environment

    The National River Monitoring and Survey Programme (NADUF) tracks the concentrations of substances occurring in selected Swiss watercourses. NADUF, launched in 1972, is a project...

    Last updated: December 7, 2022

    • SERVICE
    • WMS
    • WMTS
    • ZIP
    • API
    • gewiss
    • official-geodata
    • conservation-and-archiving-planning-aap---confederation
    • water-geographic
    • fsdi-federal-spatial-data-infrastructure