World wastewater treatment plant observatory · data as reported by each inventory

Wastewater treatment plants in Canada

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2,046 inventory records · HydroWASTE v1.0 / Canada

Data years: 2017. The inventory date does not establish current operation.

2,046 results

CompareNameNative sizeYear
Little River Pollution Control Plant 1HW:4775135,483 population served2017
USINE D ePURATION DE VAUDREUIL DORIONHW:4768334,634 population served2017
Charlottetown Pollution Control PlantHW:4774934,525 population served2017
Wastewater FacilityHW:4765333,436 population served2017
Mattagami Water Pollution Control PlanHW:4782833,426 population served2017
Fort McMurray WWTPHW:4769033,150 population served2017
Barker St Treatment FacilityHW:4822332,730 population served2017
Vauxhall Pollution Control PlantHW:4779532,522 population served2017
King Street Wastewater Treatment PlantHW:4780732,482 population served2017
Station d epuration Chambly RichelieuHW:4767431,841 population served2017
Georgetown Wastewater Treatment PlantHW:4774430,667 population served2017
Woodstock Wastewater Treatment PlantHW:4772229,727 population served2017
Mill Cove Water Pollution Control CentreHW:4781629,510 population served2017
Wastewater Treatment CentreHW:4782929,008 population served2017
Water Pollution Control PlantHW:4772527,731 population served2017
Port Darlington WPCPHW:4780227,321 population served2017
Northwest Langley Wastewater Treatment PlantHW:4780527,099 population served2017
Aquatera Grande Prairie Wastewater FacilityHW:4811326,749 population served2017
STRATFORD WASTE WATER TREATMENT PLANTHW:4773026,429 population served2017
Vernon Water Reclamation CentreHW:4788225,770 population served2017
Fort Erie Wastewater Treatment PlantHW:4775924,943 population served2017
Milton Wastewater Treatment PlantHW:4776224,119 population served2017
Wolfe Road WWTPHW:4772423,927 population served2017
Owen Sound WPCPHW:4776723,615 population served2017
Orangeville Water Pollution Control PlantHW:4771223,598 population served2017
etangs aeres Regie Deux MontagnesHW:4916222,891 population served2017
Station traitement etangs aerees Repentigny_CharlemagneHW:4771922,751 population served2017
Site de traitement des eaux usees du secteur ShawiniganHW:4771322,129 population served2017
Keswick WPCPHW:4770821,589 population served2017
LEAMINGTON POLLUTION CONTROL CENTREHW:4770321,460 population served2017
Trenton Wastewater Treatment PlantHW:4783120,811 population served2017
Usine d epurationHW:4768620,377 population served2017
Advanced Wastewater Treatment PlantHW:4773620,268 population served2017
etangs SudHW:4774620,140 population served2017
Oxford Pollution Control PlantHW:4779320,097 population served2017
Saanich Peninsula Wastewater Treatment PlantHW:4779120,045 population served2017
Kahnawake STPHW:4819520,045 population served2017
Millidgeville WWTPHW:4765819,950 population served2017
Station d epuration des eauxHW:4769219,477 population served2017
Sewage LagoonHW:4768119,370 population served2017
Preston Wastewater Treatment PlantHW:4772919,370 population served2017
Duncan_North Cowichan Joint Utilities Board LagoonsHW:4765018,591 population served2017
Baker Road Wastewater Treatment PlantHW:4775718,309 population served2017
usine d epurationHW:4898517,883 population served2017
Station d epurationHW:4767717,826 population served2017
WESTSIDE REGIONAL WASTEWATER TREATMENT PLANTHW:4783717,733 population served2017
Lakeshore WPCPHW:4809117,684 population served2017
Midland Waste Water OperationsHW:4897217,509 population served2017
Mamquam Wastewater Treatmant PlantHW:4932117,353 population served2017
Lindsay WPCPHW:4771117,012 population served2017
Usine d epurationHW:4878616,972 population served2017
BWG Wastewater Treatment PlantHW:4789916,901 population served2017
Water Pollution Control Plant 1HW:4829016,796 population served2017
Port Colborne Wastewater Treatment PlantHW:4776016,610 population served2017
etangs Aeres St RomualdHW:4786516,428 population served2017
Westmount _ Coxheath C3HW:4927716,397 population served2017
Basin GHW:4956916,036 population served2017
Eastern Passage Wastewater Treatment FaciltiityHW:4774115,595 population served2017
Water Pollution Control CentreHW:4769115,432 population served2017
Simcoe Sewage Treatment PlantHW:4774215,277 population served2017
Hespeler Wastewater Treatment PlantHW:4811615,277 population served2017
Site de traitement des eaux usees du secteur Grand Mere and St Georges de ChamplainHW:4771415,055 population served2017
Hawkesbury Wastewater PlantHW:4945814,873 population served2017
Site de traitement des eaux usees du secteur de Shawinigan SudHW:4815414,536 population served2017
B 1 Sept ilesHW:4768214,517 population served2017
Usine d epuration des eaux useesHW:4777214,425 population served2017
JW Oliver Waste Water PlantHW:4782614,420 population served2017
Eastern Wastewater Treatment FacilityHW:4783214,213 population served2017
Station d epuration Saint JanvierHW:4843314,101 population served2017
Usine epuration La BaieHW:4773914,033 population served2017
Glacebay GB8HW:4926913,631 population served2017
Station d epuration de Ville MercierHW:4838213,586 population served2017
Valley East WWTPHW:4817213,541 population served2017
Wastewater Treatment CentreHW:4766413,420 population served2017
Oxford County Ingersoll WWTPHW:4782113,165 population served2017
Okotoks Wastewater Treatment PlantHW:4801913,005 population served2017
etangs Aeres St Jean ChrysostomeHW:4786612,972 population served2017
Lancaster Lagoon WWTPHW:4766012,939 population served2017
Pembroke Pollution Control CentreHW:4821912,839 population served2017
City of Moose Jaw WWTPHW:4783012,771 population served2017
Basin FHW:4959912,695 population served2017
Petawawa Wastewater Treatment PlantHW:4816312,642 population served2017
Amherstburg Wastewater Treatment PlantHW:4797712,627 population served2017
Summerside Waste Water Treatment FacilityHW:4801212,512 population served2017
Canmore Wastewater Treatment PlantHW:4824012,475 population served2017
French Creek Pollution Control CentreHW:4782212,365 population served2017
Tillsonburg WWTPHW:4802312,343 population served2017
South LagoonsHW:4809512,250 population served2017
Westview WWTPHW:4840712,185 population served2017
City of Portage la Prairie Water Pollution Control FacilityHW:4781512,181 population served2017
etangs aeresHW:4890811,937 population served2017
Smiths Falls Water Pollution Control PlantHW:4810711,872 population served2017
ile Notre dameHW:4790011,804 population served2017
Strathroy WPCPHW:4868711,744 population served2017
Cote lane lagoonHW:4830611,730 population served2017
West End Water Pollution Control PlantHW:4769811,656 population served2017
Dennis St Pierre Water Pollution Control Plant formerly Belle River Maidstone water Pollution Control PlantHW:4790311,640 population served2017
etangs MinganHW:4804711,574 population served2017
Station d epuration Saint CanutHW:4841311,533 population served2017
Regional Sewage Treatment PlantHW:4776811,473 population served2017

Regulatory context

General reference. This is not an exhaustive review of applicable law.

Canada: Wastewater Systems Effluent Regulations

Section 2 defines the federal regulation's scope, with flow conditions and territorial and facility-type exceptions. Inventory population served cannot establish those conditions.

  • Daily influent volume, wastewater type and administrative location.
  • Exceptions and provincial requirements; facility authorization and limits.

References reviewed: 2026-11-06. Individual applicability: undetermined. This profile does not establish authorization or compliance.