From source to sink
Where Winnipeg water comes from
A plain-language tour of the lakes, rivers, or wells that feed Winnipeg, 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 Winnipeg water lives
Source waters and treatment plants pinned from published utility names. Open a pin below for the full OpenStreetMap view.
- CityWinnipeg
Municipal service area
- Source waterShoal Lake
Shoal Lake source (Ontario side)
- Treatment plantWinnipeg Water Treatment Plant (Deacon)
Approximate pin near Winnipeg (exact plant coordinates pending)
Map data © OpenStreetMap contributors. Pins are approximate for orientation, not legal survey points.
Deep dive for households
Winnipeg drinking water starts as surface water (rivers, lakes, or reservoirs). The named source on the utility record is Shoal Lake. That is the water that eventually reaches kitchen taps after treatment, not a separate bottled brand.
Water is cleaned at Winnipeg Water Treatment Plant (Deacon) before it enters city pipes. Opened December 2009 at Deacon Reservoir east of the city; design capacity about 400 million litres per day. Processes include dissolved air flotation, ozonation, filtration, and ultraviolet disinfection.
After treatment, water moves through pumps, storage, and underground mains to reach streets and buildings. Shoal Lake water flows by gravity through the Shoal Lake Aqueduct (completed 1919) into Deacon Reservoir storage, then through the treatment plant and on to regional reservoirs and pumping stations that feed the city distribution network.
One detail that makes Winnipeg water feel local: Winnipeg still relies on the century-old Shoal Lake aqueduct as its sole municipal source; Deacon Reservoir can hold roughly a month of supply for aqueduct maintenance and summer peaks. 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
- Shoal Lake
Treatment plants
These are the buildings that filter and disinfect water before it enters city pipes.
Winnipeg Water Treatment Plant (Deacon)
Opened December 2009 at Deacon Reservoir east of the city; design capacity about 400 million litres per day. Processes include dissolved air flotation, ozonation, filtration, and ultraviolet disinfection.
How it reaches your street
Shoal Lake water flows by gravity through the Shoal Lake Aqueduct (completed 1919) into Deacon Reservoir storage, then through the treatment plant and on to regional reservoirs and pumping stations that feed the city distribution network.