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
VONM Wastewater Treatment FacilityHW:484364,455 population served2017
Station d epuration de Saint elie d OrfordHW:485314,455 population served2017
Cemetery Rd Wastewater Treatment FacilityHW:486704,455 population served2017
Ponoka wastewater systemHW:488444,415 population served2017
Cochrane WWTPHW:478454,414 population served2017
Outfall IHW:491334,412 population served2017
Kemptville Water Pollution Control PlantHW:480484,410 population served2017
Basin CHW:495654,388 population served2017
Altona WWSPHW:492664,377 population served2017
etangs WarwickHW:488124,376 population served2017
Bobcaygeon Wastewater Treatment PlantHW:481824,361 population served2017
Central Colchester Wastewater Treatment FacilityHW:477344,355 population served2017
Dalhousie Wastewater Treatment PlantHW:483014,346 population served2017
USINE D ePURATION DES EAUXHW:484874,308 population served2017
Station epuration poste JeanHW:483444,292 population served2017
Frankford WWTPHW:482324,290 population served2017
Smithers Waste Water Treatment PlantHW:483364,272 population served2017
Waste Water Treatment PlantHW:492224,250 population served2017
District of Summerland Wastewater Treatment PlantHW:478434,232 population served2017
etangs aeres de BrowsburgHW:491474,219 population served2017
Hearst Wastewater Treatment LagoonHW:479514,213 population served2017
Town of Clinton Sewage Treatment PlantHW:481044,203 population served2017
Lagune rue des Canards TracadieHW:489044,203 population served2017
Capreol Sewage Treatment LagoonHW:482354,196 population served2017
Enderby WWRPHW:490064,153 population served2017
Mount Forest Wastewater Treatment PlantHW:479274,132 population served2017
Town of Peace River Wastewater PlantHW:490654,118 population served2017
Shannon Road Aerated LagoonHW:482654,112 population served2017
Alexandria Sewage WorksHW:494594,100 population served2017
Station d epuration de la Haute BecancourHW:476764,074 population served2017
Greenwood Sewage Treatment PlantHW:482824,069 population served2017
Secteur OuestHW:488954,068 population served2017
Wheatley Water Pollution Control PlantHW:480574,054 population served2017
Jasper Wastewater Treatment PlantHW:493994,026 population served2017
etangs NordHW:477474,022 population served2017
Haileybury Mechanical Sewage Treatment PlantHW:479504,015 population served2017
Victoria Harbour Wastewater Treatment PlantHW:487503,997 population served2017
Tottenham WWTPHW:480773,976 population served2017
Bassins D epuration ville de Pont RougeHW:488263,958 population served2017
Cainsville Wastewater Treatment LagoonHW:481303,953 population served2017
Springhill Wastewater Treatment PlantHW:495423,943 population served2017
North Sydney Sydney Mines Florence North Division ND11HW:493373,942 population served2017
Sooke Wastewater Treatment PlantHW:482443,920 population served2017
Kincardine Wastewater Lagoon SystemHW:485133,920 population served2017
SSTPHW:482763,898 population served2017
South Queens Sewer TreatmentHW:496353,887 population served2017
Lagune de ShippaganHW:487173,877 population served2017
Station d epurationHW:483453,817 population served2017
etangs aeres trois pistolesHW:482513,801 population served2017
8 Wing Trenton Environmental ManagementHW:477403,786 population served2017
Station d epuration de DeauvilleHW:485293,786 population served2017
etang des eaux useesHW:485633,768 population served2017
Station d epurationHW:487733,765 population served2017
Wingham STPHW:478473,758 population served2017
Essex Pollution Control PlantHW:479843,755 population served2017
Usine de traitement des eaux useesHW:482023,733 population served2017
Barrhead Aerated LagoonHW:486353,728 population served2017
Port Hardy Wastewater Treatment Plant TsulquateHW:482433,717 population served2017
Walden WWTPHW:481773,706 population served2017
Norwich LagoonsHW:480273,701 population served2017
Lagune de Petit RocherHW:482603,693 population served2017
Thompson Waste Water LagoonHW:488853,682 population served2017
Waste Water Treatment PlantHW:494633,678 population served2017
Lake Simcoe WPCPHW:481513,674 population served2017
Townsite WWTPHW:484093,657 population served2017
Iroquois Falls Sewage Treatment PlantHW:489803,613 population served2017
Listuguj Wastewater treatment plantHW:479973,577 population served2017
Village of Point Edward WPCPHW:481333,564 population served2017
Lively WWTPHW:481783,564 population served2017
etangs aeres Sainte Catherine de la Jacques CartierHW:478743,552 population served2017
Hagersville WWTPHW:478783,519 population served2017
Main Lift OutfallHW:491553,502 population served2017
systeme assainissement des eaux useesHW:489003,492 population served2017
Seaforth Sewage Treatment PlantHW:479923,490 population served2017
Elora WWTPHW:480113,488 population served2017
Bassin d epurationHW:490163,488 population served2017
Sutton WPCPHW:483693,463 population served2017
Station d epuration Saint Felix de ValoisHW:484503,443 population served2017
Swan River Waste Water Treatment LagoonHW:488253,440 population served2017
Saint Basile lagoonHW:483093,434 population served2017
Morrisburg Wastewater Treatment PlantHW:487463,432 population served2017
Tavistock LagoonsHW:478103,424 population served2017
etangs aeres de la station d epurationHW:487273,405 population served2017
Newcastle Waste Water Treatement LagoonHW:483583,397 population served2017
Port McNicoll Wastewater Treatment PlantHW:487493,397 population served2017
Whitney Tisdale WPCPHW:493633,385 population served2017
Middleton Wastewater Treatment FacilityHW:494853,384 population served2017
STEU Ville de Saint TiteHW:481553,383 population served2017
Ridgetown Wastewater Treatment PlantHW:480543,374 population served2017
Town of Gibsons WWTPHW:484423,341 population served2017
BEAUSEJOUR LAGOONHW:487363,341 population served2017
LagoonHW:491613,341 population served2017
Meadow Lake Wastewater TreatmentHW:492573,341 population served2017
BIRCH MOUNTAIN WASTEWATER TREATMENT PLANTHW:495333,341 population served2017
Sioux Lookout Sewage Treatment PlantHW:480813,334 population served2017
Station d epuration Saint MarianneHW:484323,319 population served2017
North Sydney Sydney Mines Florence North Division ND4HW:492473,316 population served2017
Usine Sainte MartineHW:489393,313 population served2017
Warman lagoonHW:482073,295 population served2017
Sewage Treatment Plant La Ronge SKHW:492203,261 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.