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Good handling of rainwater


At the end of April 2021, we launched an initiative to gather a collection of examples on the subject of "Good handling of rainwater”. With the cities of Basel, Bern, Lucerne, St. Gallen, Winterthur and Zug participating in the kick-off session, we were able to specify the project goals and schedule the project.

Main topics:


  • Private real estate areas
  • Public streets and squares
  • Statutory provisions and regulations
  • Planning implementation


For each of the main topics listed above, practical examples with the following overarching goals are to be documented:


  • Reduction of surface runoff, use of rainwater
  • Promotion of retention, evapotranspiration and infiltration


The document is expected to be made available free of charge in early 2022.