Secondary treatment level wastewater plants

18,358 plants indexed worldwide.

Biological process removes dissolved organic matter after primary treatment.

18,358 plants

Grand Valley Wastewater Treatment Plant and Collection System

Grand Valley, Ontario, Canada

Grand Valley Wastewater Treatment Plant and Collection System serves 1,432 people in Ontario, Canada, with secondary treatment. It discharges treated wastewater into the local watershed.

Secondary 1,432

Drayton Wastewater Treatment System and Lagoon

Mapleton, Ontario, Canada

Drayton Wastewater Treatment System and Lagoon serves the community of Mapleton, Ontario, Canada. This secondary treatment plant handles a discharge volume of 480 cubic meters per day.

Secondary 1,069

Assiginack Wastewater Treatment Lagoon and Collection System

Assiginack Township, Ontario, Canada

Assiginack Wastewater Treatment Lagoon and Collection System serves 517 residents in Assiginack Township, Ontario, Canada. This secondary treatment plant discharges treated wastewater near the coast of Manitoulin Island.

Secondary 517

Webbwood Wastewater Treatment Lagoon

Sables-Spanish Rivers Township, Ontario, Canada

Webbwood Wastewater Treatment Lagoon serves 223 people in Sables-Spanish Rivers Township, Ontario, Canada. This secondary treatment facility discharges treated wastewater into the local watershed.

Secondary 223

Warren Wastewater Treatment Lagoon

Warren, Ontario, Canada

Warren Wastewater Treatment Lagoon is a secondary treatment facility serving 452 residents in Warren, Ontario, Canada. It discharges 242.00 cubic meters of treated wastewater daily into the local watershed.

Secondary 452

Verner Wastewater Treatment Lagoon

West Nipissing, Ontario, Canada

Verner Wastewater Treatment Lagoon in West Nipissing, Ontario, Canada, is a secondary treatment facility serving 1,129 people. It discharges 798.00 cubic meters of treated wastewater and is located within 10 km of the coast.

Secondary 1,129

Sundridge Wastewater Treatment Lagoon

Strong Township, Ontario, Canada

Sundridge Wastewater Treatment Lagoon serves Strong Township, Ontario, Canada, treating wastewater for a population of 339. The facility provides secondary treatment and discharges 641 cubic meters of treated effluent daily.

Secondary 339

Spanish Wastewater Treatment Lagoon

Spanish, Ontario, Canada

Spanish Wastewater Treatment Lagoon serves the community of Spanish, Ontario, Canada. This secondary treatment facility discharges treated wastewater into the local environment near the North Channel of Lake Huron.

Secondary 620

Powassan Wastewater Treatment Lagoon

Powassan, Ontario, Canada

Powassan Wastewater Treatment Lagoon is a secondary treatment facility in Ontario, Canada, serving approximately 1,500 residents. It discharges treated wastewater near Lake Nipissing, contributing to the Great Lakes Basin.

Secondary 1,508

Noelville Wastewater Treatment Lagoon

French River, Ontario, Canada

Noelville Wastewater Treatment Lagoon serves the community of French River, Ontario, Canada. This secondary treatment facility discharges treated wastewater and is located within 10 km of the coast.

Secondary 423

Mindemoya Wastewater Treatment Plant

Central Manitoulin, Ontario, Canada

Mindemoya Wastewater Treatment Plant serves 465 people in Central Manitoulin, Ontario, Canada. This secondary treatment facility discharges 209 cubic meters of treated wastewater daily.

Secondary 465

Killarney Wastewater Treatment Lagoon

Killarney, Ontario, Canada

Killarney Wastewater Treatment Lagoon is a secondary treatment facility serving 246 residents in Killarney, Ontario, Canada. It discharges treated wastewater near the coast of Georgian Bay.

Secondary 246

Gore Bay Wastewater Treatment Lagoon and Collection System

Gore Bay, Ontario, Canada

Gore Bay Wastewater Treatment Lagoon and Collection System serves 1,025 people in Gore Bay, Ontario, Canada. This secondary treatment facility discharges treated wastewater near the coast of Lake Huron.

Secondary 1,025

Callander Wastewater Treatment Lagoon

Callander, Ontario, Canada

Callander Wastewater Treatment Lagoon is a secondary treatment plant serving 1,913 residents in Callander, Ontario, Canada. It discharges treated wastewater near Lake Nipissing, a key water body in the Great Lakes Basin.

Secondary 1,913

Burk s Falls Wastewater Treatment Lagoon

Burk's Falls, Ontario, Canada

Burk's Falls Wastewater Treatment Lagoon is a secondary treatment facility serving 849 residents in Burk's Falls, Ontario, Canada. It discharges treated wastewater locally.

Secondary 849

Bruce Mines Lagoon and Collection System

Bruce Mines, Ontario, Canada

Bruce Mines Lagoon and Collection System is a secondary treatment plant serving 810 residents in Bruce Mines, Ontario, Canada. It discharges treated wastewater near the coast of Lake Huron.

Secondary 810

Village of Cache Creek WWTP

Hamlet of Grande Cache, Alberta, Canada

Village of Cache Creek WWTP is a secondary treatment plant serving 1,559 people in Hamlet of Grande Cache, Alberta, Canada.

Secondary 1,559

Penetanguishene Mental Health Centre Wastewater Treatment Facility

Penetanguishene, Ontario, Canada

Penetanguishene Mental Health Centre Wastewater Treatment Facility in Ontario, Canada, is a decommissioned secondary treatment plant serving 577 people. It discharged 259.00 units of wastewater near the coast of Georgian Bay.

Secondary 577

Elmvale Wastewater Treatment Plant

Springwater, Ontario, Canada

Elmvale Wastewater Treatment Plant in Springwater, Ontario, Canada, serves a small population of 2,118 with secondary treatment. It discharges treated wastewater near the coast of Lake Huron.

Secondary 2,118

Coldwater Wastewater Treatment Plant

Severn, Ontario, Canada

Coldwater Wastewater Treatment Plant in Severn, Ontario, Canada, provides secondary treatment for a small population of 1,062. It discharges treated wastewater near the shores of Georgian Bay on Lake Huron.

Secondary 1,062
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