From source to sink
Where Edmonton water comes from
A plain-language tour of the lakes, rivers, or wells that feed Edmonton, 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 Edmonton water lives
Source waters and treatment plants pinned from published utility names. Open a pin below for the full OpenStreetMap view.
- CityEdmonton
Municipal service area
- Source waterNorth Saskatchewan River
River at Edmonton
- Treatment plantE.L. Smith Water Treatment Plant
West Edmonton river plant
- Treatment plantRossdale Water Treatment Plant
Rossdale flats
Map data © OpenStreetMap contributors. Pins are approximate for orientation, not legal survey points.
Deep dive for households
Edmonton drinking water starts as surface water (rivers, lakes, or reservoirs). The named source on the utility record is North Saskatchewan River. That is the water that eventually reaches kitchen taps after treatment, not a separate bottled brand.
Edmonton uses more than one treatment plant (E.L. Smith Water Treatment Plant; Rossdale Water Treatment Plant). Utilities often run plants in parallel so different neighbourhoods can be served, or so one plant can cover for another during maintenance. E.L. Smith Water Treatment Plant: Upstream of much of the urban footprint; submerged mid-river intake with fish-return design. Larger of the two EPCOR plants serving Edmonton and capital-region wholesale customers. Rossdale Water Treatment Plant: Near city centre; river intake experiences more urban stormwater influence. Longstanding plant site with continuous operation since early 1900s (current works mid-century).
After treatment, water moves through pumps, storage, and underground mains to reach streets and buildings. EPCOR treats water and supplies Edmonton plus regional commissions (Parkland, Southwest, Northeast and others). On-site plant reservoirs buffer demand before high-lift pumps feed the transmission and municipal distribution networks.
One detail that makes Edmonton water feel local: EPCOR’s source watershed covers tens of thousands of square kilometres upstream to the Rockies; the utility collaborates on watershed management because it does not own most upstream land. 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
- North Saskatchewan River
Treatment plants
These are the buildings that filter and disinfect water before it enters city pipes.
E.L. Smith Water Treatment Plant
Upstream of much of the urban footprint; submerged mid-river intake with fish-return design. Larger of the two EPCOR plants serving Edmonton and capital-region wholesale customers.
Rossdale Water Treatment Plant
Near city centre; river intake experiences more urban stormwater influence. Longstanding plant site with continuous operation since early 1900s (current works mid-century).
How it reaches your street
EPCOR treats water and supplies Edmonton plus regional commissions (Parkland, Southwest, Northeast and others). On-site plant reservoirs buffer demand before high-lift pumps feed the transmission and municipal distribution networks.