Quebec City drinking water path

Source

Lac Saint-Charles Surface water · +6 sources

raw water

Intake

Raw water intake pump station

to plant

Treatment

UTE de Québec +3 more plants

finished

Mains

Distribution Four treatment plants and about 2,800 km of potable distribution mains feed sector networks that can support each other when needed. City also operates 23 drinking-water reservoirs.

drinking water

Tap

Household tap Quebec City

Source & supply
Lac Saint-Charles
Rivière Saint-Charles
Rivière Montmorency
Four treatment plants and about 2,800 km of potable distribution mains feed sector networks that can support each other when needed. City also operates 23 drinking-water reservoirs.
Lac and rivière Saint-Charles are the region’s main supply; roughly one-fifth of distributed water is drawn from the St. Lawrence at Sainte-Foy. Interim watershed control rules protect Saint-Charles and Montmorency intake basins.
Treatment
UTE de Québec
Serves centre / Val-Bélair network; source is rivière and lac Saint-Charles.
UTE de Sainte-Foy
West network (Sainte-Foy, Cap-Rouge, Saint-Augustin); St. Lawrence River intake.
UTE de Beauport
At the tap
Hardness 250 mg/L (Very hard)
Grade B (Good)
pH 7.3 · lead 0.2 μg/L
ECCC / municipal open data (seed)