@techreport{canton2020bilan,
  title = {Bilan de l’épuration vaudoise}
  author = {Canton de Vaud},
  url = {https://www.vd.ch/themes/environnement/eaux/protection-des-eaux-epuration-pgee-agriculture-biologie-et-chimie-des-eaux/evacuation-et-epuration-des-eaux/stations-depuration-des-eaux-usees-step/},
  year = {2020}
}