From source to sink
Where Yellowknife water comes from
A plain-language tour of the lakes, rivers, or wells that feed Yellowknife, the plants that clean the water, and how it reaches kitchen taps. Lab grades for hardness, lead, and pH live on the water quality page.
On the map
Where Yellowknife water lives
Source waters and treatment plants pinned from published utility names. Open a pin below for the full OpenStreetMap view.
- CityYellowknife
Municipal service area
- Source waterYellowknife River
Source water
- Treatment plantYellowknife Water Treatment Plant (Pumphouse No. 1 complex)
Approximate pin near Yellowknife (exact plant coordinates pending)
Map data © OpenStreetMap contributors. Pins are approximate for orientation, not legal survey points.
Deep dive for households
Yellowknife drinking water starts as surface water (rivers, lakes, or reservoirs). The named sources on the utility record are Yellowknife River, Yellowknife Bay (emergency / secondary intake). That is the water that eventually reaches kitchen taps after treatment, not a separate bottled brand.
Water is cleaned at Yellowknife Water Treatment Plant (Pumphouse No. 1 complex) before it enters city pipes. Membrane filtration plant (commissioned 2015) with on-site sodium hypochlorite generation and fluoridation; raw water arrives from Pumphouse No. 2 at the Yellowknife River via submersible pipeline under Yellowknife Bay.
After treatment, water moves through pumps, storage, and underground mains to reach streets and buildings. City-owned utility distributes treated water through about 62 km of watermains, plus trucked and seasonal aboveground lines. Also supplies neighbouring Yellowknives Dene communities of Ndilǫ and Dettah. Reservoirs / recirculation stations keep arctic distribution circulating and heated in winter.
One detail that makes Yellowknife water feel local: Primary intake is on the Yellowknife River upstream of Giant Mine / Yellowknife Bay. Dual-source Raw Water Supply Upgrade Project seeks formal capacity to draw from both the river and the bay for resilience. Lab grades for hardness, lead, and pH sit on the city water quality page; this overview is about the route the water travels.
Where it starts
Surface water
Rivers, lakes, or reservoirs, not underground wells as the main draw.
Research confidence: high
Named source waters
- Yellowknife River
- Yellowknife Bay (emergency / secondary intake)
Treatment plants
These are the buildings that filter and disinfect water before it enters city pipes.
Yellowknife Water Treatment Plant (Pumphouse No. 1 complex)
Membrane filtration plant (commissioned 2015) with on-site sodium hypochlorite generation and fluoridation; raw water arrives from Pumphouse No. 2 at the Yellowknife River via submersible pipeline under Yellowknife Bay.
How it reaches your street
City-owned utility distributes treated water through about 62 km of watermains, plus trucked and seasonal aboveground lines. Also supplies neighbouring Yellowknives Dene communities of Ndilǫ and Dettah. Reservoirs / recirculation stations keep arctic distribution circulating and heated in winter.