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
WasteWater PlantHW:478446,753 population served2017
Creston Wastewater Treatment PlantHW:478596,654 population served2017
Windsor Wastewater Treatment FacilityHW:495566,601 population served2017
Port Dover WWTFHW:484786,599 population served2017
Kapuskasing Waste Water Pollution Control PlantHW:490866,593 population served2017
DrakeHW:483766,588 population served2017
Woodstock LagoonHW:484416,549 population served2017
St Stephen LagoonHW:486436,539 population served2017
etangs Aeres St etienneHW:478676,497 population served2017
Newcastle WPCPHW:481466,497 population served2017
Prescott Wastewater Treatment PlantHW:479386,479 population served2017
Windsor LagoonsHW:487056,469 population served2017
City of Merritt Wastewater Treatment FacilityHW:488486,459 population served2017
EPURATION STJHW:485226,420 population served2017
Usine d epuration de la municipalite de WindsorHW:488076,365 population served2017
Petrolia WPCPHW:485156,341 population served2017
etangs aeres de Saint Louis de FranceHW:479026,328 population served2017
Southside Waste Water Treatment LagoonHW:483606,316 population served2017
Picton Wastewater Treatment FacilityHW:484796,302 population served2017
Martensville WW TreatmentHW:480056,239 population served2017
Uxbridge WPCPHW:481486,223 population served2017
Gananoque Sewage LagoonsHW:488386,104 population served2017
Rocky Mountain House Wastwater Treatment FacilityHW:492156,103 population served2017
Etang aeres de BertiervilleHW:491646,101 population served2017
Usine de traitement des eaux usees de la ville de Lac MeganticHW:482736,099 population served2017
Station d epurationHW:487896,061 population served2017
Wetaskiwin WastewaterHW:479966,046 population served2017
etangs aeres de Port CartierHW:484436,032 population served2017
Station d epuration WaterlooHW:485146,005 population served2017
STEU BeaupreHW:481925,958 population served2017
Edgewater Beach Wastewater LagoonHW:479785,916 population served2017
Mountview WWTPHW:483865,907 population served2017
Azilda WWTPHW:481735,880 population served2017
Muskoka Beach WWTPHW:483925,871 population served2017
Water Pollution Control Plant 2HW:482915,770 population served2017
Flin Flon Wastewater Treatment PlantHW:488895,766 population served2017
etangs Fossambault sur le lacHW:489705,744 population served2017
etangs MarquetteHW:478275,723 population served2017
Station d epurationHW:489665,714 population served2017
Caledonia WWTPHW:478755,709 population served2017
Stratford WWTPHW:483975,675 population served2017
Grand Falls Aerated LagoonHW:480085,664 population served2017
New Liskeard LagoonHW:479595,652 population served2017
station d epuration des eaux useesHW:487755,626 population served2017
Beresford WWTPHW:484175,577 population served2017
Station d epurationHW:484655,492 population served2017
Town of Amherst WWTPHW:496345,485 population served2017
Ladysmith Main Wastewater Treatment PlantHW:480365,475 population served2017
City of Williams LakeHW:488415,458 population served2017
Norm Wood Environmental CentreHW:477335,441 population served2017
Walkerton WWTPHW:484045,430 population served2017
Station d epurationHW:490075,424 population served2017
etangs aeres rawdonHW:486445,390 population served2017
OutfallHW:489165,359 population served2017
WW OutfallHW:493575,345 population served2017
etangs aeres de notre dame de l ile perrotHW:483205,299 population served2017
Espanola Wastewater Treatment PlantHW:479085,292 population served2017
RevelstokeWWTPHW:485005,278 population served2017
Perth Sewage Treatment LagoonsHW:487445,272 population served2017
Exeter Wastewater Treatment FacilityHW:482645,255 population served2017
Blenheim Sewage Treatment PlantHW:480525,247 population served2017
Tilbury Wastewater Treatment PlantHW:480565,232 population served2017
Meaford Wastewater Treatment PlantHW:479235,230 population served2017
etangs Aeres RACHW:486525,221 population served2017
Regional WWTPHW:480755,219 population served2017
Angus Wastewater Treatment PlantHW:478945,201 population served2017
Nonquon WPCP newHW:495795,179 population served2017
East St Paul Waste Water Treatment FacilityHW:488695,136 population served2017
Dauphin Wastewater SystemHW:478725,129 population served2017
Station d epuration de BromptonvilleHW:485285,123 population served2017
Mitchell Wastewater Treatment PlantHW:478125,081 population served2017
Usine d epuration L epiphanieHW:488145,056 population served2017
Station d epuration Regie Rougemont _ St CesaireHW:485325,044 population served2017
Crescent Street WWTPHW:486965,040 population served2017
Wastewater SystemHW:493275,038 population served2017
North Perth Wastewater Treatment PlantHW:480865,032 population served2017
North Sydney Sydney Mines Florence North Division ND13HW:493395,031 population served2017
Wastewater Treatment PlantHW:486764,945 population served2017
Usine d epurationHW:486604,927 population served2017
Town of Sussex Wastewater Treatment FacilityHW:483634,920 population served2017
Sechelt Water Resource CentreHW:493154,900 population served2017
Langdon WWTPHW:482564,870 population served2017
Village of Cumberland Sewer LagoonsHW:487194,835 population served2017
Wastewater Treatment PlantHW:485794,825 population served2017
Lantz Regional Wastewater Treatment FacilityHW:485384,824 population served2017
Mississippi Mills Wastewater Treatment PlantHW:481664,802 population served2017
Magee Rd STPHW:491214,753 population served2017
Commercial Road Wastewater SystemHW:492344,735 population served2017
Silverhope Pollution Control CenterHW:493754,725 population served2017
Usine d epuration des eaux de East AngusHW:477004,685 population served2017
Shelburne Wastewater Treatment PlantHW:479254,624 population served2017
Usine epuration de BeaucevilleHW:483054,621 population served2017
Garden Creek LagoonHW:482254,602 population served2017
North LagoonHW:482774,566 population served2017
Campbellford Wastewater Treatment FacilityHW:478894,547 population served2017
Plan epuration eaux useesHW:487824,519 population served2017
Deep River Sewage Treatment PlantHW:481624,505 population served2017
Paroisse de Sainte FlavieHW:485124,471 population served2017
Town of Port Hawkesbury Wastewater PlantHW:496504,464 population served2017
Boucher SBR mecanical plantHW:483104,455 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.