Wastewater plants in Ontario

485 plants indexed.

485 plants

Hawkesbury Wastewater Plant

Hawkesbury, Ontario

Hawkesbury Wastewater Plant serves approximately 14,873 people in Hawkesbury, Ontario, Canada. The facility is operational and discharges treated effluent into the Ottawa River watershed.

Not Reported 14,873 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

Belmont Wastewater Treatment Facility

Central Elgin, Ontario

Belmont Wastewater Treatment Facility serves the community of Belmont in Central Elgin, Ontario, Canada. It is an operational plant with a designed capacity of 1.00 million liters per day, serving a population of 2,361.

Not Reported 2,361 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

Green Valley WWTP

South Glengarry, Ontario

Green Valley WWTP is a municipal wastewater treatment plant in South Glengarry, Ontario, Canada. It serves a population of approximately 1,340 and is currently operational.

Not Reported 1,340 Low

Whitney Tisdale WPCP

Timmins, Ontario

Whitney Tisdale WPCP is an operational wastewater treatment plant serving 3,385 people in Timmins, Ontario, Canada. It discharges treated effluent into the local watershed within the Great Lakes Basin.

Not Reported 3,385 Low

Tara Sewage Lagoon

Arran–Elderslie, Ontario

Tara Sewage Lagoon serves the community of Tara in Arran-Elderslie, Ontario, Canada. This operational lagoon-based facility treats wastewater for approximately 1,487 residents.

Not Reported 1,487 Low

Chesley Sewage Works

Arran–Elderslie, Ontario

Chesley Sewage Works serves the community of Chesley in Arran-Elderslie, Ontario, Canada. The plant is operational and designed to treat wastewater from a population of approximately 2,439.

Not Reported 2,439 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

Kapuskasing Waste Water Pollution Control Plant

Kapuskasing, Ontario

Kapuskasing Waste Water Pollution Control Plant serves the town of Kapuskasing, Ontario, treating municipal wastewater for a population of approximately 6,593. The plant is operational and discharges into the local watershed.

Not Reported 6,593 Low

Manitouwadge Wastewater Lagoons

Manitouwadge Township, Ontario

Manitouwadge Wastewater Lagoons serves the Township of Manitouwadge in Ontario, Canada, treating wastewater for a population of approximately 1,717. The facility is operational and discharges into the local watershed.

Not Reported 1,717 Low

Long Sault Waste Water Treatment Plant

South Stormont, Ontario

Long Sault Waste Water Treatment Plant serves 2,746 people in South Stormont, Ontario, Canada. The facility is operational and discharges into the St. Lawrence River watershed.

Not Reported 2,746 Low

Ingleside Waste Water Treatment Plant

South Stormont, Ontario

Ingleside Waste Water Treatment Plant serves 2,189 people in South Stormont, Ontario, Canada. The facility is operational and contributes to local wastewater management in the St. Lawrence River watershed.

Not Reported 2,189 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

Embrun Sewage Lagoon

Russell, Ontario

Embrun Sewage Lagoon in Russell, Ontario, Canada serves a population of 3,025. The plant is operational and treats wastewater for the local community.

Not Reported 3,025 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

Emo Wastewater Facility

Emo Township, Ontario

Emo Wastewater Facility serves Emo Township, Ontario, Canada, treating wastewater for a population of 903. The plant is operational and has a designed capacity of 1.00 million litres per day.

Not Reported 903 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

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, Lagoon City Sewage Treatment Plant has the highest designed capacity at 1 m3/day.

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