Laval drinking water path

Source

Rivière des Prairies Surface water · +1 sources

to plant

Treatment

Station de Chomedey +2 more plants

finished

Mains

Distribution Three production stations feed about 1,650 km of distribution mains. The network is meshed so plants primarily serve their sectors but can support each other if one plant is offline.

drinking water

Tap

Household tap Laval

Source & supply
Rivière des Prairies
Rivière des Mille-Îles
Three production stations feed about 1,650 km of distribution mains. The network is meshed so plants primarily serve their sectors but can support each other if one plant is offline.
Laval is a frequent multi-star recipient in Réseau Environnement’s Programme d’excellence en eau potable for surface-water plants.
Treatment
Station de Chomedey
Largest Laval plant; draws from Rivière des Prairies; can backfeed other sectors in emergency.
Station de Pont-Viau
East/central plant on Rivière des Prairies corridor; major upgrades completed mid-2010s.
Station de Sainte-Rose
At the tap
Hardness 253 mg/L (Very hard)
Grade B (Good)
pH 7.1 · lead 0.5 μg/L
ECCC / municipal open data (seed)