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Peel's wastewater treatment plants

Providing reliable wastewater collection, treatment and management now and for the future

Clarkson Wastewater Treatment Plant
  • Located in west Mississauga on Lake Ontario.
  • Processes the wastewater from homes and businesses on the west side of Brampton and Mississauga.
  • Designed to treat an average flow of 350,000 m3 per day (350 ML per day).
  • Discharges treated wastewater into Lake Ontario.
G.E. Booth Wastewater Treatment Plant
  • Located in east Mississauga on Lake Ontario.
  • Processes the wastewater from homes and businesses in Bolton, Caledon East, Brampton and parts of Mississauga, as well as some areas of York Region and the City of Toronto.
  • Designed to treat an average flow of 518,000 m3 per day (518 ML per day).
  • Discharges treated wastewater into Lake Ontario.
Inglewood Communal Wastewater Treatment Plant
  • Located in Caledon.
  • Treats an average of 100 m3 per day
  • Designed to treat to a maximum peak flow of up to 243 m3 per day (2.43 ML per day).
  • Discharges treated wastewater into the Credit River.

Wastewater treatment processes

Wastewater treatment is a process that removes contaminants from wastewater or sewage and converts it into an effluent that can be returned to the water cycle with minimum impact on the environment.

Peel has some of the largest and smallest treatment plants in the country.

Inglewood Wastewater Treatment Plant is an extremely small plant in comparison to its two sister plants on Lake Ontario. Inglewood receives roughly 0.02% of Peel's total flow. Clarkson and G.E. Booth receive over 5000 times more sewage than their smaller sister plant.

Clarkson and G.E. Booth treat wastewater through conventional liquids treatment and biosolids management.

Inglewood treats wastewater through a comminutor (a machine that cuts up solids in raw sewage in preparation for purifying treatment), screens and biological treatment tanks.