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Maps, Data and Reports

Maps, Data and Reports


City Stormwater Infrastructure Assets

To manage rainfall and melted snow, the City of Mississauga operates and maintains a complex system of stormwater infrastructure from the natural watercourses to the engineered pipes, channels, outfalls, wet and dry ponds.



  • Mississauga has an area of 292 km squared
  • The City’s storm drainage network has a replacement value of $2 billion
  • Average annual amount of precipitation (rain and snow) in Mississauga is 710 millimetres
  • Curb and gutter drains can be found on 90% of streets in Mississauga
  • There are over 40,000 roadside catchbasins in Mississauga


Reports and Studies