Wastewater plants in Ontario

485 plants indexed. Showing 155 matching current filters.

155 plants matching filters

Cayuga WWTP

Caledonia, Ontario

Cayuga WWTP is a secondary treatment plant serving 1,559 people in Caledonia, Ontario, Canada. It discharges 700 cubic meters of treated wastewater daily into the local watershed.

Secondary 1,559 Low

Inglewood Wastewater Treatment Facility

Caledon, Ontario

Inglewood Wastewater Treatment Facility in Caledon, Ontario, Canada, serves 232 people with secondary treatment. It discharges 104.00 cubic meters of treated wastewater daily, supporting local water quality in the Peel Region.

Secondary 232 Low

ON REGION Warkworth Institution Wastewater Treatment System

Brighton, Ontario

ON REGION Warkworth Institution Wastewater Treatment System serves Brighton, Ontario, providing secondary treatment for approximately 1,015 people. The plant discharges treated wastewater into local waterways within the Lake Ontario basin.

Secondary 1,015 Low

Blyth STP

North Huron, Ontario

Blyth STP is a secondary wastewater treatment plant serving 826 residents in North Huron, Ontario, Canada. It discharges 371 m³/day of treated effluent into the local watershed.

Secondary 826 Low

Darlington Nuclear

Clarington, Ontario

Darlington Nuclear is a decommissioned secondary treatment plant in Clarington, Ontario, Canada, serving 576 people. It discharges treated wastewater near the Lake Ontario shoreline.

Secondary 576 Low

Sturgeon Falls

Sturgeon Falls, Ontario

Sturgeon Falls wastewater treatment plant serves 8,163 residents in West Nipissing, Ontario, Canada. The facility is operational and discharges into the local watershed within the Lake Huron drainage basin.

Not Reported 8,163 Low

Wawa Sewage Treatment Facility

Wawa, Ontario

Wawa Sewage Treatment Facility serves the community of Wawa, Ontario, Canada. The plant is operational and treats wastewater for approximately 2,714 residents.

Not Reported 2,714 Low

Lagoon City Sewage Treatment Plant

Ramara Township, Ontario

Lagoon City Sewage Treatment Plant serves 1,605 residents in Ramara Township, Ontario, Canada. The operational facility has a designed capacity of 1.00 million liters per day.

Not Reported 1,605 Low

Port Stanley Wastewater Treatment Facility

Southwold, Ontario

Port Stanley Wastewater Treatment Facility in Southwold, Ontario, Canada serves approximately 2,900 people. The plant is operational and located within 50 km of the coast, discharging treated effluent into the Lake Erie basin.

Not Reported 2,902 Low

North Bay Wastewater Treatment Plant

North Bay, Ontario

North Bay Wastewater Treatment Plant serves approximately 51,000 residents in North Bay, Ontario, Canada. The facility discharges treated effluent into the Lake Nipissing watershed, supporting local water quality.

Not Reported 51,454 Low

WWT Lagoon

Kenora District, Ontario

WWT Lagoon in Kenora District, Ontario, Canada, is a secondary treatment plant serving the region. It operates under Canada's Wastewater Systems Effluent Regulations.

Secondary Low

Iroquois Falls Sewage Treatment Plant

Ansonville, Ontario

Iroquois Falls Sewage Treatment Plant serves the community of Ansonville, Ontario, Canada. This operational facility treats wastewater from a population of approximately 3,613 and is located inland, over 50 km from the coast.

Not Reported 3,613 Low

Midland Waste Water Operations

Midland, Ontario

Midland Waste Water Operations serves 17,509 people in Midland, Ontario. The plant discharges into Georgian Bay, part of the Great Lakes system, and operates under Canadian provincial wastewater regulations.

Not Reported 17,509 Low

Bright s Grove Sewage Lagoon

Sarnia, Ontario

Bright s Grove Sewage Lagoon serves Sarnia, Ontario, Canada, treating wastewater for approximately 3,212 residents. The plant is operational and located within 50 km of the Lake Huron coastline.

Not Reported 3,212 Low

Gananoque Sewage Lagoons

Gananoque, Ontario

Gananoque Sewage Lagoons serves 6,104 people in Gananoque, Ontario, Canada. The plant is operational and located within 50 km of the coast, discharging into the St. Lawrence River watershed.

Not Reported 6,104 Low

Brighton WPCP

Brighton, Ontario

Brighton WPCP is a municipal wastewater treatment plant in Brighton, Ontario, Canada, serving approximately 7,000 people. The facility is operational and located within 50 km of the coast, discharging treated effluent into the local watershed.

Not Reported 6,971 Low

Victoria Harbour Wastewater Treatment Plant

Tay, Ontario

Victoria Harbour Wastewater Treatment Plant in Tay, Ontario, Canada serves approximately 4,000 people. The plant is operational and located near the shores of Georgian Bay on Lake Huron.

Not Reported 3,997 Low

Port McNicoll Wastewater Treatment Plant

Tay, Ontario

Port McNicoll Wastewater Treatment Plant serves the community of Tay, Ontario, Canada. It is an operational facility designed to treat wastewater for approximately 3,400 residents.

Not Reported 3,397 Low

Stayner Waste Water Treatment Plant

Clearview, Ontario

Stayner Waste Water Treatment Plant serves the community of Stayner in Clearview, Ontario, Canada. It is an operational facility with a designed capacity of 1.00 million liters per day, serving a population of 3,218.

Not Reported 3,218 Low

Kincardine Wastewater Lagoon System

Kincardine, Ontario

Kincardine Wastewater Lagoon System serves 3,920 people in Kincardine, Ontario, Canada. The operational lagoon-based facility discharges treated effluent into the Lake Huron watershed.

Not Reported 3,920 Low

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.

What is the largest wastewater treatment plant in Ontario?

Among the indexed plants, Sturgeon Falls has the highest designed capacity at 1 m3/day.

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