Wastewater plants in Ontario

485 plants indexed. Showing 30 matching current filters.

30 plants matching filters

Goderich Water Pollution Control Plant

Goderich, Ontario

Goderich Water Pollution Control Plant serves 8,915 residents in Goderich, Ontario, Canada. The facility is located near Lake Huron and operates under Canadian provincial wastewater regulations.

Not Reported 8,915 Medium

Wasaga Beach Wastewater Treatment Plant

Wasaga Beach, Ontario

Wasaga Beach Wastewater Treatment Plant serves over 10,000 residents in Ontario, Canada. It is an operational facility located near the shores of Georgian Bay on Lake Huron.

Not Reported 10,628 Medium

Little River Pollution Control Plant 2

Windsor, Ontario

Little River Pollution Control Plant 2 serves approximately 49,000 people in Windsor, Ontario. It is an operational municipal wastewater facility within 50 km of the Great Lakes system.

Not Reported 49,091 Medium

Highland Creek Treatment Plant

Toronto, Ontario

Highland Creek Treatment Plant serves over 380,000 people in Toronto, Ontario, Canada. It is an operational facility located near Lake Ontario, treating municipal wastewater for the Scarborough area.

Not Reported 381,123 Medium

Clarkson Wastewater Treatment Plant

Mississauga, Ontario

Clarkson Wastewater Treatment Plant in Mississauga, Ontario, serves approximately 357,000 people. It is a key facility in the Greater Toronto Area, discharging treated effluent into Lake Ontario.

Not Reported 356,906 Medium

GE Booth Wastewater Treatment Plant

Toronto, Ontario

GE Booth Wastewater Treatment Plant in Toronto, Ontario, Canada serves over 1 million people. It is a major facility on Lake Ontario, operating under Canadian federal and provincial regulations.

Not Reported 1,014,817 Medium

Ashbridges Bay Treatment Plant

Toronto, Ontario

Ashbridges Bay Treatment Plant in Toronto, Ontario serves over 1.2 million people. It is a major municipal wastewater facility on Lake Ontario, operating under Canadian federal and provincial regulations.

Not Reported 1,283,062 Medium

Humber Treatment Plant

Toronto, Ontario

Humber Treatment Plant in Toronto, Ontario, Canada, serves approximately 735,000 people. It is an operational facility within the Golden Horseshoe region, discharging treated wastewater into Lake Ontario.

Not Reported 734,997 Medium

North Toronto Treatment Plant

Toronto, Ontario

The North Toronto Treatment Plant serves approximately 58,259 residents in Toronto, Ontario, Canada. It is an operational facility located within 50 km of the coast, contributing to the region's wastewater management.

Not Reported 58,259 Medium

Woodward Avenue Wastewater Treatment Plant

Hamilton, Ontario

Woodward Avenue Wastewater Treatment Plant serves Hamilton, Ontario, Canada, treating wastewater for over 600,000 residents. It is a major facility within the Great Lakes Basin, discharging treated effluent into Lake Ontario.

Not Reported 619,504 Medium

Port Darlington WPCP

Clarington, Ontario

Port Darlington WPCP in Clarington, Ontario serves about 27,000 people. The plant is operational and located within 50 km of the Lake Ontario coast.

Not Reported 27,321 Medium

Courtice WPCP

Clarington, Ontario

Courtice WPCP in Clarington, Ontario, Canada serves approximately 56,664 people. The plant is operational and located within 50 km of the coast, discharging into the Lake Ontario watershed.

Not Reported 56,664 Medium

Corbett Creek WPCP

Whitby, Ontario

Corbett Creek WPCP in Whitby, Ontario, Canada, serves approximately 94,454 people as an operational municipal wastewater treatment facility. It is located within 50 km of the Lake Ontario coast.

Not Reported 94,454 Medium

Harmony Creek WPCP

Oshawa, Ontario

Harmony Creek WPCP is a municipal wastewater treatment plant in Oshawa, Ontario, Canada, serving approximately 66,217 people. It is located within 50 km of the coast and operates under Canadian provincial regulations.

Not Reported 66,217 Medium

Greenway Pollution Control Centre

London, Ontario

Greenway Pollution Control Centre serves London, Ontario, Canada, treating wastewater for approximately 255,739 people. The plant is operational and discharges into the Thames River watershed, which flows into Lake St. Clair and ultimately the Great

Not Reported 255,739 Medium

City of Guelph Wastewater Treatment Plant

Guelph, Ontario

The City of Guelph Wastewater Treatment Plant serves over 100,000 residents in Ontario, Canada. It is an operational facility discharging treated effluent into the Speed River, part of the Great Lakes Basin.

Not Reported 102,325 Medium

Burlington Skyway Wastewater Treatment Plant

Burlington, Ontario

Burlington Skyway Wastewater Treatment Plant serves over 212,000 residents in Burlington, Ontario, Canada. It is a key facility in the Halton Region's wastewater infrastructure, discharging treated effluent into Lake Ontario.

Not Reported 212,481 Medium

Oakville Southwest Wastewater Treatment Plant

Oakville, Ontario

Oakville Southwest Wastewater Treatment Plant serves 60,359 people in Oakville, Ontario, Canada. The plant is operational and located near Lake Ontario.

Not Reported 60,359 Medium

Baker Road Wastewater Treatment Plant

Grimsby, Ontario

Baker Road Wastewater Treatment Plant serves Grimsby, Ontario, Canada, treating wastewater for approximately 18,309 residents. The plant is operational and located within 50 km of Lake Ontario's coastline.

Not Reported 18,309 Medium

Port Weller Wastewater Treatment Plant

St. Catharines, Ontario

Port Weller Wastewater Treatment Plant serves St. Catharines, Ontario, Canada, treating wastewater for approximately 82,850 people. The plant is located near the Welland Canal and discharges into Lake Ontario.

Not Reported 82,850 Medium

Frequently asked

How many wastewater treatment plants are in Ontario?

UtilityRadar indexes 485 wastewater treatment plants in Ontario, with treatment level, capacity, operator and discharge data on each record.

Who operates wastewater treatment in Ontario?

Among the plants on this page, the most-referenced operator is Toronto Water (City of Toronto). UtilityRadar's records show 5 plants linked to this operator.

What is the largest wastewater treatment plant in Ontario?

Among the indexed plants, Goderich Water Pollution Control Plant has the highest designed capacity at 1 m3/day.

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