Northwest Territories Drinking Water Quality Database

Community Descriptions

For more details about the community's water system, click on the community name. For more information about the treatment system, click on the underlined system class.

 

Community Water Source Type of Treatment Plant
Aklavik Mackenzie River (Peel Channel) Class 2 – Conventional (Package Plant) – (coagulation, flocculation, inclined tube settling and multi-media filtration) with liquid chlorine disinfection and storage.
Behchokö Marian Lake / West Channel Class 2 – Conventional (Package Plant) - (coagulation, flocculation, inclined tube settling and multi-media filtration) with liquid chlorine disinfection and storage.
Colville Lake Colville Lake Small System– Cartridge filtration with chlorine disinfection and storage.
Deline Great Bear Lake Small System - Cartridge filtration with UV and liquid chlorine disinfection and storage.
Dettah City of Yellowknife (Yellowknife River) None - truckfill station with liquid chlorine disinfection.
Enterprise Town of Hay River (Great Slave Lake) None (treated water comes from Town of Hay River via trucked delivery).
Fort Good Hope Mackenzie River Small System - Seasonal fill earthen reservoir and truckfill station with liquid chlorine disinfection (upgrade project currently underway).
Fort Liard Groundwater under influence of surface water Class 1 - Two pressure greensand filters with potassium permanganate feed, softening, liquid chlorine disinfection and storage.
Fort McPherson Deep Water Lake Class 2 – Conventional (Package Plant) - (coagulation, flocculation, inclined tube settling and multi-media filtration) with liquid chlorine disinfection and storage.
Fort Providence Mackenzie River Class 2 – Conventional (Package Plant) - (coagulation, flocculation, inclined tube settling and multi-media filtration) with liquid chlorine disinfection and storage.
Fort Resolution Great Slave Lake (Resolution Bay) Class 2 – Conventional (Package Plant) - (coagulation, flocculation, inclined tube settling and multi-media filtration) with liquid chlorine disinfection and storage.
Fort Simpson Mackenzie River Class 2 –Conventional (Package Plant) - (coagulation, flocculation, inclined tube settling and multi-media filtration) with liquid chlorine disinfection and storage.
Fort Smith Slave River Class 3 – Primary Settling Reservoir (summer only). Clarifiers (coagulation, flocculation and sedimentation combined), and rapid sand filtration.
Gamètì Rae Lake Small System - Truckfill station with liquid chlorine disinfection and backup generator.
Hay River Great Slave Lake Class 2 – Conventional (Package Plant) - (coagulation, flocculation, inclined tube settling and multi-media filtration) with liquid chlorine disinfection and storage.
Inuvik Mackenzie River & 3 Mile Lake (winter) / Hidden Lake (summer) Class 2 – Sand filters (winter only), tempering, gaseous chlorine disinfection, liquid fluoridation and storage.
Jean Marie River Jean Marie River Small System – Seasonal fill earthen reservoir and truckfill station with liquid chlorine disinfection (upgrade project currently underway).
Kakisa

Town of Hay River (Great Slave Lake)

None (treated water comes from Town of Hay River via truck delivery).
K'atlodeeche First Nation Town of Hay River (Great Slave Lake) Truckfill station with underground reservoir and chlorine addition (treated water comes from Town of Hay River via supply line under the Hay River).
Lutselk’e Great Slave Lake (Christie Bay) Small System – Truckfill station with twin intakes with liquid chlorine disinfection, and backup generator (upgrade project currently underway).
Nahanni Butte Groundwater Class 1 - Two pressure greensand filters with potassium permanganate feed, softening, liquid chlorine disinfection and storage.
Norman Wells Mackenzie River Class 2 –Conventional (Package Plant) - (coagulation, flocculation, inclined tube settling and multi-media filtration) with liquid chlorine disinfection and storage.
Paulatuk New Water Lake Small System – Truckfill station with liquid chlorine disinfection, and backup generator.
Sachs Harbour DOT (or MOT) Lake Small System – Cartridge filtration with liquid chlorine disinfection and backup generator.
Trout Lake Trout Lake Small System – Seasonal fill earthen reservoir and truckfill station with liquid chlorine disinfection (upgrade project currently underway).
Tsiigehtchic Tso Lake Class 1Nanofiltration with liquid chlorine disinfection and storage.
Tuktoyaktuk Kudlak Lake Class 1 – Seasonal fill earthen reservoir. Pressure filtration with UV and liquid chlorine disinfection and storage.
Tulita Great Bear River Class 1Microfiltration with liquid chlorine disinfection and storage.
Ulukhaktok RCAF Lake Small System – Filtration with UV and liquid chlorine disinfection and storage.
Wekweètì Snare Lake Small System – Truckfill station with liquid chlorine disinfection and backup generator.
Whatì Groundwater Class 1 – Two pressure greensand filters with potassium permanganate feed, softening and liquid chlorine disinfection.
Wrigley Groundwater under influence of surface water Small System - Liquid chlorine disinfection and storage (upgrade project currently underway).
Yellowknife Yellowknife River Class 1tempering, gaseous chlorine disinfection and liquid fluoridation.