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
Tache lagoonHW:48321330 population served2017
Village of Pouce Coupe Sewage Treatment LagoonsHW:49227330 population served2017
Gilbert Plains LagoonHW:49606327 population served2017
apohaqui wastewater treatment plantHW:48692325 population served2017
Wastewater Treatment PlantHW:49033325 population served2017
Danson Wastewater Treatment PlantHW:47666323 population served2017
Cochenour Sewage LagoonHW:48079323 population served2017
Conger WWTPHW:48395323 population served2017
Kettle and Stony Point Sewage Treatment FacilityHW:48488323 population served2017
City of Melfort LagoonHW:48870323 population served2017
Lundbreck Waste Water LagoonHW:49410323 population served2017
Station d epurationHW:48302321 population served2017
etangs aeres de St AubertHW:48331318 population served2017
traitement des eaux usee Saint SimonHW:48501318 population served2017
Station epuration St TheophileHW:48263316 population served2017
Humboldt Wastewater WorksHW:48000315 population served2017
Broadview WastewaterHW:48788315 population served2017
Sequencing Batch ReactorHW:48615314 population served2017
Fraise s Lane OutfallHW:49115314 population served2017
Bay Roberts Wastewater SystemHW:49368312 population served2017
Carters Road Botwood 3HW:49444312 population served2017
Village of Wellington Sewer UtilityHW:49537312 population served2017
point leamington wastewaterHW:49195310 population served2017
Glacebay GB5HW:49271310 population served2017
Kashchewan LagoonHW:49688310 population served2017
Hawkes Bay OutfallHW:49498309 population served2017
Asquith LagoonHW:48271308 population served2017
Emerson LagoonHW:48963307 population served2017
Sedley LagoonHW:49056307 population served2017
Cana Wastewater Treatment PlantHW:49560307 population served2017
Camperville Wastewater LagoonHW:49047305 population served2017
Lundar LagoonHW:49310305 population served2017
Westside Sequencing Batch ReactorHW:48593304 population served2017
Lone Pine WWTPHW:48396303 population served2017
etangs aeres parois verticales HonfleurHW:48447303 population served2017
Waste Water Treatment FacilitiesHW:48259302 population served2017
Faust Waste Water LagoonHW:47941301 population served2017
eTANG AeReS TOURVILLEHW:48720301 population served2017
Rossburn LagoonHW:48857301 population served2017
Bruce PowerHW:47642300 population served2017
Imperial waste water lagoonHW:48471300 population served2017
Lagoon FacultativeHW:48597300 population served2017
City of WinklerHW:48732299 population served2017
Wapella WastewaterHW:48466296 population served2017
BEAR S COVE OUTFALLHW:49221296 population served2017
Drakes Road OutfallHW:49667296 population served2017
Lake Erie Industrial Park Sewage LagoonsHW:47879294 population served2017
Magrath LagoonHW:49376293 population served2017
Main st OutfallHW:49522292 population served2017
etangs aeres PontbriandHW:49122290 population served2017
Community of Abrams Village Sewer AccountHW:49536290 population served2017
Canadian Forces Base SuffieldHW:47764289 population served2017
Siksika Little Washington LagoonHW:49143289 population served2017
Berwyn Wastewater LagoonsHW:49390289 population served2017
etangsHW:49123287 population served2017
Lagoon FacultativeHW:48598286 population served2017
Station epuration St Robert BellarminHW:48346285 population served2017
Riversedge LID5HW:49091282 population served2017
Red Deer County Spruceview LagoonHW:48372278 population served2017
CRIQ Wastewater plantHW:48769278 population served2017
Church Point WWTPHW:48988278 population served2017
Stroud s Point OutfallHW:49505278 population served2017
Trinity OutfallHW:49534278 population served2017
Lagoon SiteHW:48671276 population served2017
Water Reclamation FacilityHW:47647274 population served2017
Temagami North Wastewater Treatment LagoonHW:47962274 population served2017
Temagami South Wastewater Treatment LagoonHW:47963274 population served2017
Station d epurationHW:48341274 population served2017
Petty Harbour OutfallHW:49499273 population served2017
Duck Bay Wastewater LagoonHW:49048272 population served2017
Abydoz OutfallHW:49662272 population served2017
Baldwins OutfallHW:49663272 population served2017
Village of BathHW:48689269 population served2017
Bassin 1HW:48768269 population served2017
Kitasoo Septic TankHW:49061269 population served2017
Grand Rapids Generating StationHW:47782267 population served2017
TsiSnaihne RBC LagoonHW:48103267 population served2017
Usine eau useeHW:48783267 population served2017
Mount Stewart Wastewater LagoonHW:48986267 population served2017
Edam LagoonHW:49071267 population served2017
Village of Somerset LagoonHW:49153267 population served2017
Lockport Wastewater Treatment PlantHW:49281267 population served2017
Basin EHW:49568267 population served2017
Jims Cove OutfallHW:49608267 population served2017
Main Street OutfallHW:49609267 population served2017
Dildo Street OutfallHW:49677267 population served2017
Calvin Saunders OutfallHW:49504265 population served2017
CFB Esquimalt Rocky Point Sewage SystemHW:49575265 population served2017
Beleventure OutfallHW:49664265 population served2017
Leeds and Lansdowne Wastewater Treatment LagoonHW:47937263 population served2017
Coboconk Wastewater Treatment LagoonHW:48183263 population served2017
Boblo Island Sewage Treatment PlantHW:49127263 population served2017
Ramore Playfair Wastewater Treatment LagoonHW:47954258 population served2017
Site de traitement des eaux usees du secteur de St Jean des PilesHW:48153258 population served2017
etangs aeresHW:48868258 population served2017
Lagune d AllardvilleHW:48105256 population served2017
etang Non aereHW:48899256 population served2017
Sliammon Band Wastewater PlantHW:48917256 population served2017
Grand Beach Wastewater Treatment PlantHW:49394256 population served2017
Bashaw Wastewater LagoonHW:48326254 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.