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
Crossfield Wastewater TreatmentHW:482981,559 population served2017
Okanagan Falls Wastewater Treatment PlantHW:482991,559 population served2017
Bridgetown Waste WaterHW:494241,559 population served2017
Mount Moriah OutfallHW:494391,559 population served2017
Stephenville Crossing OutfallHW:494451,559 population served2017
Stoney Point Wastewater LagoonsHW:482971,550 population served2017
Glacebay GB1HW:492481,550 population served2017
Station d epuration OkaHW:489131,544 population served2017
etangHW:488201,528 population served2017
Holyrood WWT OutfallHW:494661,518 population served2017
Usine traitement des eaux useesHW:481961,517 population served2017
Elk Point wastewater pondsHW:493961,516 population served2017
North Preston Wastewater Treatment FacilityHW:481431,515 population served2017
Lillooet Wastewater Treatment FacilityHW:489941,515 population served2017
St Jacques 1 lagoonHW:483081,512 population served2017
Havelock Wastewater Treatment PlantHW:478851,510 population served2017
etangs aeres St FranCois de RDSHW:482161,509 population served2017
Powassan Wastewater Treatment LagoonHW:479141,508 population served2017
Cobden Wastewater Treatment PlantHW:482241,508 population served2017
Swan Hills Sewage LagoonHW:490981,508 population served2017
East Royalty LagoonHW:478331,503 population served2017
Glacebay GB2HW:492681,503 population served2017
Blackburn Wastewater Treatment PlantHW:476651,501 population served2017
Lancaster WWTPHW:493711,493 population served2017
Town of MoosominHW:482301,491 population served2017
Wainwright Wastewater FacilityHW:492881,491 population served2017
Tara Sewage LagoonHW:493481,487 population served2017
etangs SCMHW:477481,486 population served2017
epuration NDDLHW:485091,482 population served2017
Lincoln LagoonHW:482261,481 population served2017
Basin DHW:495671,479 population served2017
Outfall 3HW:491521,477 population served2017
Blacks Harbour Waste Water Treatment FacilityHW:482721,474 population served2017
etangs Aeres MontebelloHW:489641,472 population served2017
Plaster Rock EverettHW:486311,467 population served2017
Lloydminster Wastewater Treatment PlantHW:488401,466 population served2017
Kingsville Wastewater LagoonsHW:479861,456 population served2017
Wildwood WWTPHW:484081,452 population served2017
Waste Water FacilityHW:480011,448 population served2017
Montague Wastewater Treatment PlantHW:487281,448 population served2017
Usine d epurationHW:489501,448 population served2017
Thessalon Wastewater Treatment LagoonHW:479311,446 population served2017
Town Center OutfallHW:490811,445 population served2017
etangs aerees Roxton PondHW:488661,436 population served2017
Grand Valley Wastewater Treatment Plant and Collection SystemHW:479291,432 population served2017
Oxford NS LagoonsHW:496521,432 population served2017
ETANGS VILLAGEHW:485231,419 population served2017
etangs HowickHW:490401,412 population served2017
Town of Pouch Cove OutfallHW:494641,412 population served2017
Springfield Lake Wastewater Treatment FacilityHW:481441,408 population served2017
Plantagenet Wastewater Treatment LagoonHW:481871,405 population served2017
Town of Manning Wastewater Treatment LagoonHW:492091,403 population served2017
Crofton STPHW:478191,401 population served2017
Sequencing Batch ReactorHW:486371,389 population served2017
Plaster Rock WapskeHW:486301,388 population served2017
Irricana LagoonHW:492041,387 population served2017
Station d epurationHW:483131,386 population served2017
HOUSTON WWTPHW:485071,383 population served2017
Cheticamp Wastewater Treatment FacilityHW:495271,381 population served2017
Standoff LagoonHW:492541,375 population served2017
laguneHW:486671,374 population served2017
Wastewater PlantHW:478601,373 population served2017
Lanigan Sewage LagoonHW:480101,372 population served2017
Mc Adam Pollution Control PlantHW:483401,367 population served2017
2 Snook s RoadHW:494811,366 population served2017
West Shore WWTPHW:487541,365 population served2017
Glencoe Wastewater LagoonsHW:479901,363 population served2017
Lakeshore Area Township of Plympton STPHW:484591,363 population served2017
Oromocto WestHW:485481,363 population served2017
Fortune CentennialHW:495151,362 population served2017
Canora sewage worksHW:495251,362 population served2017
Lagune Allee des Sarcelles SheilaHW:489051,361 population served2017
Ailsa Craig Wastewater Treatment PlantHW:481231,354 population served2017
Village of Gold River Pollution Control CentreHW:495021,354 population served2017
BARBSHW:488171,353 population served2017
Etangs aeres de Sainte PerpetueHW:487241,352 population served2017
Glen Walter WWTPHW:493721,350 population served2017
Green Valley WWTPHW:493731,340 population served2017
St Regis Wastewater Treatment PlantHW:481011,336 population served2017
usine epurationHW:481211,336 population served2017
Tamarack Park WWTPHW:484921,336 population served2017
Tsawout WWTPHW:485441,336 population served2017
tobique first nationHW:486821,336 population served2017
usine d epuration des eaux useesHW:489181,336 population served2017
SEWAGE TREATMENT PLANTHW:492361,336 population served2017
Grunthal Wastewater FacilityHW:492591,336 population served2017
Watford Wastewater Treatment LagoonsHW:479811,334 population served2017
Lagune Village Sainte de MadawaskaHW:483851,334 population served2017
Ilderton WWTFHW:480901,330 population served2017
Shellbrook WWTPHW:494901,328 population served2017
Wellesley Wastewater Treatment PlantHW:481181,327 population served2017
Town of Outlook Sewag Treatment LagoonHW:484861,326 population served2017
etangs aeres Saint Come LiniereHW:484991,324 population served2017
Foothills Wastewater IncHW:480141,323 population served2017
Hudson Bay Sewer LagoonHW:493651,320 population served2017
Outfall HHW:491321,319 population served2017
Two Hills LagoonHW:496001,310 population served2017
Eganville Sewage Treatment PlantHW:494621,303 population served2017
Bakers CoveHW:496251,301 population served2017
etang HerouxvilleHW:490931,298 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.