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What is Stormwater Management and why do we have to pay for it?

Stormwater management (SWM) is the application of infrastructure and naturally designed systems to reduce and control the impacts of runoff from rainfall, snowmelt and human activities (development).

Types of Infrastructure Services Explained


Property owner charged a rate based on consumption/treatment


Property owner charged a rate based on the contribution to the whole system

Richmond Hill owns/operates an extensive SWM asset inventory that forms part of the system:

  • 540+ km of storm sewers

  • 18,000+ catch basins

  • 95+ storm ponds

  • 115+ sedimentation and filtration manufactured treatment devices

  • 1,100+ culverts/ road crossings

  • 150+ km of streams



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