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Helsinki Espoo Vantaa Kauniainen

Areas with HSY’s stormwater sewer system

Data includes properties located in areas that HSY’s stormwater sewer system serves. It also includes areas that have combined sewer system and areas in which stormwater sewer system will be build.


  • Stormwater sewerage area
  • Combined sewerage area
  • Areas to which stormwater sewerage will be extended

Data and Resources

Additional information

Administrator Helsingin seudun ympäristöpalvelut HSY
Administrator's webpage
Published 09.03.2020
More information
Geographical coverage
Licence Creative Commons Attribution 4.0
How to reference Source: Areas with HSY’s stormwater sewer system. The maintainer of the dataset is Helsingin seudun ympäristöpalvelut HSY. The dataset has been downloaded from Helsinki Region Infoshare service on 22.09.2020 under the license Creative Commons Attribution 4.0.


Creative Commons Attribution 4.0
CC-BY-4.0 [Open Data]

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