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

Resources (5)

Additional Info

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Outdated No
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Valid from
Valid until
Links to additional information
Collection type Open data
International benchmarks
Dataset maintainer Helsingin seudun ympäristöpalvelut HSY
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