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
Town of Grand Falls Windsor Sewage Treatment PlantHW:4911011,387 population served2017
Usine d epuration Buckingham Masson AngersHW:4777311,276 population served2017
Carleton Place Wastewater Treatment PlantHW:4816411,259 population served2017
Longwood Wastewater Treatment Facility Town of Quispamsis New BrunswickHW:4835111,199 population served2017
Usine d epurationHW:4764811,106 population served2017
Pond Road OutfallHW:4944810,976 population served2017
les etangs aeresHW:4770210,952 population served2017
Station d epurationHW:4841610,822 population served2017
Fairvale LagoonHW:4855510,789 population served2017
City of Bathurst Waste Water Treatment PlantHW:4862810,677 population served2017
Wasaga Beach Wastewater Treatment PlantHW:4789510,628 population served2017
Wallaceburg Water Pollution Control PlantHW:4805810,426 population served2017
Arnprior WPCCHW:4875110,226 population served2017
etangs aeresHW:4900410,188 population served2017
City of Camrose Wastewater Treatment LagoonsHW:4826110,167 population served2017
Sewage Treatment PlantHW:4825810,022 population served2017
Station d epuration ville de montmagnyHW:477169,880 population served2017
Esten Lake Sewage Treatment PlantHW:495099,853 population served2017
City of Salmon Arm WWTPHW:482049,800 population served2017
etangs aere LachuteHW:487379,567 population served2017
Renfrew Water Pollution Control PlantHW:481679,513 population served2017
HM Bailey Water Pollution Control PlantHW:488509,458 population served2017
Terrace Sewage Treatment PlantHW:488589,386 population served2017
Napanee Water Pollution Control PlantHW:479989,199 population served2017
Station d epuration des eaux useesHW:484609,172 population served2017
Station traitement eaux useesHW:480629,156 population served2017
Acton Wastewater Treatment PlantHW:481859,118 population served2017
Comox Valley Water Pollution Control CentreHW:476569,093 population served2017
Alliston WWTPHW:480769,038 population served2017
etangs aeres La PlaineHW:478399,016 population served2017
Kenora Area wastewater facilityHW:480208,971 population served2017
Dominion _ Bridgeport WWTPHW:483798,963 population served2017
Goderich Water Pollution Control PlantHW:482188,915 population served2017
Usine d epuration des eaux useesHW:490468,909 population served2017
Wastewater Treatment PlantHW:491988,909 population served2017
etangs aeres Sainte MarieHW:484488,804 population served2017
Amherstview Water Pollution Control PlantHW:481598,778 population served2017
etangs aeresHW:488638,733 population served2017
Elmira Wastewater Treatment PlantHW:481158,678 population served2017
Niagara on the Lake LagoonHW:480168,640 population served2017
Hanover Water Pollution Control PlantHW:487578,531 population served2017
Paris Water Pollution Control PlantHW:481318,506 population served2017
New Waterford NW1HW:492468,464 population served2017
Aylmer Wastewater LagoonsHW:479918,445 population served2017
Fergus WWTPHW:480098,361 population served2017
Bassins d epuration DolbeauHW:482218,322 population served2017
Station d epuration Ville de Mont LaurierHW:488498,311 population served2017
Rockland Wastewater Treatment PlantHW:481898,261 population served2017
Thompson Sewage Treatment PlantHW:488838,250 population served2017
Taber Wastewater Treatment PlantHW:482628,230 population served2017
Station d epurationHW:484728,167 population served2017
Sturgeon FallsHW:495128,163 population served2017
Crystal Beach Wastewater Treatment PlantHW:480158,141 population served2017
North Sydney Sydney Mines Florence North Division ND2HW:492898,119 population served2017
etangs eaux usees St FelicienHW:491588,102 population served2017
WASTEWATER TREATMENT PLANTHW:480468,006 population served2017
CNB WWTPHW:478367,984 population served2017
Fort Frances Wastewater Treatment PlantHW:479707,971 population served2017
Chelmsford WWTPHW:481747,908 population served2017
Strathmore Wastewater Treatment PlantHW:484067,893 population served2017
North Sydney Sydney Mines Florence North Division ND12HW:493387,849 population served2017
Station d epuration de FarnhamHW:485517,847 population served2017
Beaverwood STPHW:491207,831 population served2017
City of Lacombe LagoonsHW:483117,820 population served2017
Station d epuration de Rock ForestHW:485307,795 population served2017
Usine d epuration de CoaticookHW:489307,795 population served2017
Industrial Park Wastewater SystemHW:492357,737 population served2017
Station d epuration d AsbestosHW:496757,718 population served2017
Town of Yarmouth Wastewater Treatment PlantHW:488947,671 population served2017
Lakeside Timberlea Wastewater Treatment FacilityHW:481407,653 population served2017
Station d epuration BeauharnoisHW:484447,636 population served2017
Kirkland Lake Wastewater Treatment PlantHW:476637,601 population served2017
Antigonish Sewage Treatment PlantHW:492037,574 population served2017
City of Selkirk Waste Water Treatment PlantHW:486627,573 population served2017
Station d epurationHW:482297,507 population served2017
New Hamburg Wastewater Treatment LagoonsHW:478117,479 population served2017
Drayton Valley Waste Water Treatment FacilityHW:484687,426 population served2017
Philip H Jones Pollution Control PlantHW:481717,421 population served2017
Canadian Forces Base BordenHW:477107,408 population served2017
St Thomas Line WW Treatment FcailityHW:486617,383 population served2017
Olds Wastewater Treatment PlantHW:490087,361 population served2017
Dunnville WWTPHW:478777,345 population served2017
Station d epuration des eaux useesHW:491807,328 population served2017
Lakeshore West Pollution Control PlantHW:479857,323 population served2017
Assainissement des eaux Ville de NicoletHW:490637,307 population served2017
Port Elgin Wastewater SystemHW:479247,292 population served2017
Lagoon Lane WWTPHW:483917,252 population served2017
Usine d epuration d Acton ValeHW:486847,251 population served2017
Courtright WWTPHW:484637,199 population served2017
St Marys Wastewater Treatment PlantHW:481297,193 population served2017
wastewater treatmentHW:492147,125 population served2017
Bassins d epuration MistassiniHW:482227,116 population served2017
SCWWTPHW:480067,066 population served2017
ETANG DE LOUISEVILLEHW:487587,030 population served2017
Brighton WPCPHW:487526,971 population served2017
USINE D ePURATION MATANEHW:477016,938 population served2017
EAST RIVER ENVIRONMENTAL CONTROL CENTREHW:476716,930 population served2017
Town of Slave Lake LagoonHW:489476,911 population served2017
Parry Sound WWTPHW:479326,898 population served2017
Sombra LagoonsHW:485026,876 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.