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
Ville de Saint Marc etangs aeresHW:489203,259 population served2017
etangs Rouyn NorandaHW:476513,246 population served2017
District of Lake Country WWTPHW:478403,230 population served2017
etangs Noranda Nord et Lac DufaultHW:484383,230 population served2017
Stayner Waste Water Treatment PlantHW:485763,218 population served2017
North Sydney Sydney Mines Florence North Division ND7HW:493333,218 population served2017
Town of Fort Macleod Wastewater Treatment PlantHW:480503,217 population served2017
Bright s Grove Sewage LagoonHW:488883,212 population served2017
Station d epurationHW:483423,209 population served2017
Usine d epurationHW:490393,203 population served2017
etangs aeres St PascalHW:482543,187 population served2017
Usine d epurationHW:490243,183 population served2017
Thornbury Wastewater Treatment PlantHW:480853,178 population served2017
Delhi WWTFHW:484813,178 population served2017
BAtiment Technique Ville de SenneterreHW:487763,158 population served2017
Station d epurationHW:483033,140 population served2017
Lagune de BouctoucheHW:486563,137 population served2017
Golden STPHW:480633,120 population served2017
Vermilion Wastewater Treatment PlantHW:495533,118 population served2017
Westmount _ Coxheath C1HW:492523,111 population served2017
eskasoni wwtpHW:478423,108 population served2017
Grande Cache Sewage Treatment PlantHW:491743,103 population served2017
Moose Factory LagoonHW:479723,098 population served2017
usine d epuration de Sainte ClaireHW:484763,082 population served2017
Station d epurationHW:491243,062 population served2017
Southampton Wastewater Treatment Plant and Collection SystemHW:479263,054 population served2017
Usine d epurationHW:477173,046 population served2017
Embrun Sewage LagoonHW:489673,025 population served2017
Usine epuration St Denis sur RichelieuHW:489273,004 population served2017
Station epuration etangs aeresHW:481372,996 population served2017
Blackfalds Waste Management LagoonsHW:480282,991 population served2017
Atholville LagoonHW:487072,984 population served2017
Arthur Wastewater Treatment Plant Lagoon and Collection SystemHW:479212,974 population served2017
etangs Aeres BreakeyvilleHW:478682,967 population served2017
Dresden Water Pollution Control PlantHW:480612,961 population served2017
McGregor Wastewater LagoonsHW:479802,956 population served2017
Kimberley Pollution Control CenterHW:493982,956 population served2017
etangs evainHW:484372,929 population served2017
Usine epuration Ville de FermontHW:484972,924 population served2017
Forest Sewage Treatment PlantHW:484222,918 population served2017
Usine d epuration de Lac EtcheminHW:489062,906 population served2017
Port Stanley Wastewater Treatment FacilityHW:494322,902 population served2017
Digby Regional Wastewater FacilityHW:488772,895 population served2017
SAINT HONOReHW:489452,889 population served2017
Poste etang aereHW:491682,875 population served2017
Bath Sewage Treatment PlantHW:481582,866 population served2017
Town of Sundre Wastewater Treatment FacilityHW:485572,853 population served2017
Systeme d assainissement St AmbtroiseHW:488392,846 population served2017
Cornwall LagoonHW:489542,835 population served2017
PQ REGION SADP Institution Wastewater Treatment SystemHW:478522,830 population served2017
Cap Brule WWTPHW:483752,815 population served2017
Blind River WPCPHW:484562,815 population served2017
epuration CabanoHW:485082,809 population served2017
Waste Water Treatment PlantHW:491492,806 population served2017
West End Water Pollution Control Centre WEWPCCHW:477852,790 population served2017
District of Tumbler Ridge Wastewater Treatment Plant FacilityHW:487592,776 population served2017
Golden Pheasant WWTPHW:483882,762 population served2017
Ayr Wastewater Treatment PlantHW:481142,755 population served2017
Long Sault Waste Water Treatment PlantHW:489992,746 population served2017
MDN usine de traitement des eaux usees ValcartierHW:482802,731 population served2017
Wawa Sewage Treatment FacilityHW:494772,714 population served2017
Nipawin Regional Sewage WorksHW:493662,705 population served2017
Wiarton Wastewater Treatment LagoonHW:479282,693 population served2017
Thamesford WWTPHW:480242,690 population served2017
veglagoonsHW:490752,687 population served2017
Deseronto Water Pollution Control PlantHW:480382,684 population served2017
Herring Cove Wastewater Treatment FacilityHW:478172,673 population served2017
Applewood Wastewater Treatment FacilityHW:484352,673 population served2017
Grand Forks Wastewater Treatment PlantHW:490092,673 population served2017
Casselman Waste TreatmentHW:494922,673 population served2017
Station epuration Sainte AnneHW:487842,672 population served2017
Harrie LakeHW:483772,653 population served2017
Village of Salisbury Wastewater Treatment FacilityHW:482342,644 population served2017
New Waterford NW2HW:492782,639 population served2017
Coniston WWTPHW:481762,634 population served2017
District of Fort St James Waste Water Treatment plantHW:495012,628 population served2017
etangs aeres OmervilleHW:486832,624 population served2017
GentillyHW:488962,623 population served2017
etangs aereesHW:489262,621 population served2017
town of minnedosa waste waterHW:482012,597 population served2017
etangs d epuration des eaux useesHW:486292,594 population served2017
District of Chetwynd Sewage Treatment FacilityHW:480432,591 population served2017
Wastewater treatment plantHW:493262,579 population served2017
Chemainus STPHW:477612,564 population served2017
City of Morden Wastewater Treatment LagoonHW:487612,563 population served2017
LagoonsHW:478712,561 population served2017
Stonewall LagoonHW:494012,561 population served2017
etangs Aeres Saint Jean Port JoliHW:483332,559 population served2017
Palmerston WWTPHW:480332,541 population served2017
Station d epurationHW:492052,539 population served2017
Wastewater Treatment LagoonHW:493672,539 population served2017
Fort Nelson WWTPHW:482862,532 population served2017
Summerside Lagoon SystemHW:480132,528 population served2017
Essex Wastewater Treatment Lagoons North EastHW:479752,519 population served2017
Lagune de Cap PeleHW:486782,507 population served2017
North Sydney Sydney Mines Florence North Division ND6HW:493322,497 population served2017
Atikokan Water Pollution Control PlantHW:480822,496 population served2017
Outfall 1HW:491992,492 population served2017
Tweed Wastewater Treatment LagoonHW:478882,472 population served2017
Harriston Wastewater Treatment FacilityHW:480342,460 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.