Funding of the project: Federal Office for the Environment (FOEN).


Website setup and interface, concept of the thermal discharge model and web-display: Philipp Meier (Eawag).


Codes and libraries used within the website:


IT support and server management: Raoul Schaffner (Eawag).


Data used within this work and website:

  • Data on lake temperatures and Secchi depths are courtesy of the cantonal authorities
  • River flowrates and temperatures are courtesy of the FOEN
  • Meteorological data, including heating and cooling degree-days data, are courtesy of Federal Office of Meteorology and Climatology (MeteoSwiss)
  • Geodata (lakes, rivers and communes) used in the GIS analysis are courtesy of the Federal Office of Topography (swisstopo) (DV 5704 000 000 / JD100041)
  • Population data are courtesy of the Federal Statistical Office (FSO)
  • Data on the current thermal uses of surface waters are courtesy of the cantonal authorities:
    • Canton Aargau: Departement Bau, Verkehr und Umwelt
    • Canton Bern: Bau-, Verkehrs- und Energiedirektion (BVE)
    • Canton Luzern: Umwelt und Energie (uwe)
    • Canton Neuchâtel: Service de l'énergie et de l'environnement
    • Canton Nidwalden: Amt für Umwelt
    • Canton Obwalden: Amt für Landwirtschaft und Umwelt
    • Canton Schwyz: Amt für Wasserbau
    • Canton St.Gallen: Amt für Wasser und Energie (AWE)
    • Canton Thurgau: Amt für Umwelt
    • Canton Wallis/Valais: Département des transports, de l’équipement et de l’environnement
    • Canton Zug: Amt für Umweltschutz
    • Canton Zürich: Amt für Abfall, Wasser, Energie und Luft (AWEL)


The author is also very grateful to all the people who supported this project, in particular Dr. Martin Schmid and Prof. Dr. Alfred Wüest (Eawag).