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
Saggitawak SBRHW:485862,452 population served2017
Natimek Lagoon AeratedHW:485872,452 population served2017
Renforth LagoonHW:486642,450 population served2017
BASSINS D EPURATION DES ERABLESHW:490222,450 population served2017
Niverville Sewage LagoonHW:491792,450 population served2017
Station d epuration de St DamaseHW:484152,449 population served2017
etang aere de DegelisHW:485212,442 population served2017
Stevensville_Douglastown LagoonHW:480032,439 population served2017
Chesley Sewage WorksHW:493472,439 population served2017
pekuakamiulnutsh Takuhikan etang aereHW:488532,405 population served2017
Harrow Wastewater LagoonsHW:479762,397 population served2017
Dundalk Wastewater Treatment PlantHW:483342,395 population served2017
WWT PlantHW:484962,394 population served2017
Port McNeill Waste Water Treatment PlantHW:489972,388 population served2017
Station d assainissement des eauxHW:489242,366 population served2017
Belmont Wastewater Treatment FacilityHW:494332,361 population served2017
Station de traitement des eaux useesHW:488012,359 population served2017
Lagoon Aerated MechanicalHW:486232,354 population served2017
Poste de degrillage finHW:487932,353 population served2017
etangs aeres SuttonHW:484612,351 population served2017
Outfall LHW:491362,350 population served2017
Lac La Biche BNRHW:493582,347 population served2017
Town of Three Hills Wastewater Treatment FacilityHW:490542,344 population served2017
Kleinburg WPCPHW:483672,325 population served2017
Station d epuration district Sainte BlandineHW:490992,321 population served2017
Usine eaux useesHW:490172,318 population served2017
Lakefield Waste Water Treatment PlantHW:478232,315 population served2017
College Bridge LagoonHW:487032,311 population served2017
Craigleith Wastewater Treatment PlantHW:480842,307 population served2017
Fairview Wastewater FacilityHW:487602,301 population served2017
Cardinal Wastewater Treatment PlantHW:482482,296 population served2017
Marathon Wastewater Treatment PlantHW:479692,294 population served2017
Milverton LagoonHW:481982,264 population served2017
Levack WWTPHW:481792,263 population served2017
Ville de DaveluyvilleHW:484112,246 population served2017
CPCCHW:484932,240 population served2017
Dowling WWTPHW:481752,235 population served2017
Town of Shelburne Wastewater Treatment PlantHW:490412,234 population served2017
Town of AthabascaHW:482092,227 population served2017
Middle Sackville LagoonHW:486972,227 population served2017
Vanderhoof lagoonHW:487912,227 population served2017
etangHW:489842,227 population served2017
Agassiz Wastewater Treatment FacilityHW:489922,227 population served2017
LagoonHW:492292,227 population served2017
CormackHW:493502,227 population served2017
Brook CoveHW:493512,227 population served2017
Island ViewHW:493522,227 population served2017
Basin BHW:495642,227 population served2017
Usine d epuration de PessamitHW:482392,214 population served2017
STPHW:493282,208 population served2017
Westmount _ Coxheath C2HW:492762,201 population served2017
4 Wing WWTPHW:482312,199 population served2017
Fenelon Falls Wastewater Treatment PlantHW:481842,194 population served2017
Ingleside Waste Water Treatment PlantHW:489982,189 population served2017
Holland Landing WPCPHW:483532,178 population served2017
etang aeree sainte luce secteur lucevilleHW:490302,178 population served2017
Chapleau Wastewater Treatment LagoonHW:479452,168 population served2017
etangs aeres Saint EphremHW:484282,157 population served2017
ETANG RANG DES GAGNONHW:483372,155 population served2017
Usine d epuration des eaux useesHW:491932,150 population served2017
Waterford WWTFHW:484842,143 population served2017
Usine d epuration des eaux useesHW:491922,135 population served2017
La Montain LagoonHW:487012,127 population served2017
Elmvale Wastewater Treatment PlantHW:478972,118 population served2017
Station epurationHW:487222,116 population served2017
Wastewater Treatment LagoonHW:491602,113 population served2017
Town of Morris LagoonHW:493092,104 population served2017
Usine d assainissementHW:487942,103 population served2017
Burns Lake Sewage Treatment PLantHW:480212,100 population served2017
CNC Wastewater Treatment PlantHW:480452,098 population served2017
Cannington WPCP LagoonHW:481492,096 population served2017
Neepawa Wastewater LagoonsHW:493032,094 population served2017
Basin JHW:495712,094 population served2017
Sation epuration des eauxHW:489252,090 population served2017
Station d epurationHW:489792,090 population served2017
Limoges LagoonHW:485652,083 population served2017
Iroquois Wastewater Treatment PlantHW:487472,077 population served2017
Elsipogtog WWT systemHW:483162,076 population served2017
Station D epuration des eaux useesHW:481222,074 population served2017
Station d epuration district Le Bic secteur VillageHW:491002,063 population served2017
Station d epuration des eaux useesHW:496842,056 population served2017
Station d epuration des eauxHW:488542,053 population served2017
Geraldton Wastewater Treatment Plant and Collection SystemHW:479652,051 population served2017
North River LagoonHW:489532,045 population served2017
Station epuration St GedeonHW:483392,038 population served2017
Station epuration GuadeloupeHW:488652,030 population served2017
Spruce Woods Provincial ParkHW:493462,028 population served2017
Station d epuration des eaux useesHW:491962,020 population served2017
Station de traitement des eaux useesHW:488472,011 population served2017
town of esterhazyHW:485172,005 population served2017
K Park LagoonHW:486652,005 population served2017
Bancroft Wastewater Treatment FacilityHW:481682,001 population served2017
North Sydney Sydney Mines Florence North Division ND8HW:493341,980 population served2017
Bassin d epurationHW:487701,964 population served2017
Aldershot Sewage Treatment PlantHW:482751,947 population served2017
Berwick Wastewater Treatment PlantHW:490001,947 population served2017
etangs aeres de CookshireHW:488301,934 population served2017
usine epurationHW:489781,929 population served2017
Hyphocus IslandHW:490011,927 population served2017
Usine d epuration des eaux useesHW:488781,922 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.