World wastewater treatment plant observatory · data as reported by each inventory

Wastewater treatment plants in Canada

← Back to the map

2,046 inventory records · HydroWASTE v1.0 / Canada

Data years: 2017. The inventory date does not establish current operation.

2,046 results

CompareNameNative sizeYear
Frank Sewage Treatment PlantHW:493831,920 population served2017
Callander Wastewater Treatment LagoonHW:479071,913 population served2017
Longlac Wastewater Treatment Plant and Collection SystemHW:479661,894 population served2017
Town of Valleyview Wastewater Treament PlantHW:495471,894 population served2017
Madoc Wastewater Treatment LagoonHW:478861,891 population served2017
poste de degrillageHW:489381,889 population served2017
souris waste water plantHW:492561,886 population served2017
Wastewater LagoonsHW:493971,876 population served2017
St Joseph LagoonHW:487021,871 population served2017
Glacebay GB6HW:492721,869 population served2017
Outfall CHW:491291,866 population served2017
Wellington Wastewater Treatment FacilityHW:484801,864 population served2017
Saint Andrews waste water treatment plantHW:485881,864 population served2017
St George Water Pollution Control PlantHW:481321,855 population served2017
Englehart Wastewater Treatment LagoonHW:479461,854 population served2017
Station epurationHW:484691,841 population served2017
Red Lake Water Pollution Control PlantHW:480781,839 population served2017
Outfall 2HW:491511,831 population served2017
CFB GagetownHW:476801,828 population served2017
Little Current Wastewater Treatment LagoonHW:479111,821 population served2017
Outfall 1HW:491501,820 population served2017
St Jacques 2 lagoonHW:483071,815 population served2017
Usine de traitement d eaux usees de Saint Andre Moving Bed Biofilm Reactor with an Upflow ClarifierHW:486661,814 population served2017
Usine d epuration Rock Island _ Derby LineHW:489211,813 population served2017
Saint Pierre de l ile d OrleansHW:485421,811 population served2017
etangs aeres Saint ProsperHW:483141,810 population served2017
Basin IHW:495701,802 population served2017
Plattsville LagoonsHW:480261,798 population served2017
Mount Albert WPCPHW:483641,797 population served2017
Schomberg WPCPHW:483661,797 population served2017
Russell LagoonHW:493181,797 population served2017
Usine d epuration des eaux useesHW:491851,786 population served2017
Six Nations of the Grand River Communal Sewage Treatment SystemHW:484001,782 population served2017
Les etangHW:487791,782 population served2017
etang aereHW:489351,782 population served2017
Town of RichibuctoHW:483351,771 population served2017
Lumsden Wastewater SystemHW:495101,766 population served2017
Nipigon WWTPHW:478701,758 population served2017
RMOW Wastewater Treatment PlantHW:476611,750 population served2017
Stirling Wastewater Treatment LagoonHW:478871,748 population served2017
First Street ComminutorHW:481351,742 population served2017
Livingstone Trail Environmental Control FacilityHW:483271,741 population served2017
Princeton Wastewater Treatment SystemHW:496361,740 population served2017
etangs aerees Shipshaw NordHW:484191,739 population served2017
Jarvis Sewage LagoonsHW:478811,737 population served2017
Kingston stpHW:495891,737 population served2017
Waterville Sewage Treatment PlantHW:482841,722 population served2017
Wastewater Treatment FacilityHW:481361,718 population served2017
Manitouwadge Wastewater LagoonsHW:490491,717 population served2017
Durham WWTPHW:481081,713 population served2017
etang macamicHW:487431,709 population served2017
etangs Municipalite de Berthier sur MerHW:488611,708 population served2017
Station d epuration Stanstead PlainHW:489221,704 population served2017
City of Nelson WWTPHW:486721,703 population served2017
Stanley Mission LagoonHW:491081,700 population served2017
Station d epuration Saint BenoitHW:484341,693 population served2017
Village of Harrison Hot Springs Wastewater Treatment FacilityHW:485161,693 population served2017
RBS Saint Alexandre de KamouraskaHW:487481,683 population served2017
Grand Bend Wastewater Treatment PlantHW:484231,679 population served2017
St Jacobs Wastewater Treatment PlantHW:481171,673 population served2017
RFN wastewater treatmentHW:482741,673 population served2017
Portugal Cove Wastewater Treatment PlantHW:482701,670 population served2017
St George Residential LagoonHW:487991,670 population served2017
Wikwemikong Wastewater Treatment PlantHW:492841,670 population served2017
Marine Drive OutfallHW:494561,670 population served2017
etang non aere SPIPBHW:496791,665 population served2017
Vankleek Hill Wastewater Treatment LagoonHW:481911,664 population served2017
etangs aeres de SayabecHW:488551,664 population served2017
Lagoon FacultativeHW:486261,640 population served2017
Lagune de KedgwickHW:487661,638 population served2017
ShiloHW:477701,635 population served2017
St Albert LagoonHW:485661,635 population served2017
Rm of brokenhead lagoonHW:487231,628 population served2017
RM of La BroquerieHW:494401,626 population served2017
Traitement eaux useesHW:485431,621 population served2017
Fruitvale Sewer Treatment PlantHW:482551,617 population served2017
Falmouth Sewage SystemHW:486271,613 population served2017
Poste assainissement des eaux useesHW:489821,613 population served2017
Lucan Wastewater Treatment PlantHW:481281,610 population served2017
Lagoon City Sewage Treatment PlantHW:494361,605 population served2017
Fox WPCPHW:482851,604 population served2017
ETANGHW:483301,604 population served2017
Glacebay GB4HW:492701,601 population served2017
Inverness Wastewater Treatment FacilityHW:495301,600 population served2017
St Theresa 1999 Sequencing Batch ReactorHW:486051,597 population served2017
St Theresa 1966 Sequencing Batch ReactorHW:486061,597 population served2017
Hanna LagoonHW:493811,597 population served2017
Brookfield Sewage Treatment PlantHW:494681,592 population served2017
Municipality of Killarney Turtle MountainHW:487331,581 population served2017
Charlo wastewater treatment stationHW:486681,580 population served2017
Village of Ashcroft Sewage Treatment PlantHW:489481,575 population served2017
Bellevue_Hillcrest LagoonsHW:493841,573 population served2017
etangs aeresHW:484261,571 population served2017
Wahnapitae Sewage Treatment LagoonHW:481801,570 population served2017
Millbrook Wastewater Treatment PlantHW:481811,568 population served2017
L Orignal Wastewater Treatment PlantHW:481901,566 population served2017
Esgenoopetitj Waste Water Lagoon SystemHW:485371,564 population served2017
Colchester South Wastewater Treatment LagoonHW:479741,560 population served2017
Cayuga WWTPHW:478761,559 population served2017
Village of Cache Creek WWTPHW:479011,559 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.