Source
Intake
Treatment
Mains
Tap
Lac Memphrémagog
Raw water is pumped from a deep Lac Memphrémagog intake (about 14 m depth, ~150 m offshore) in Canton de Magog, then piped to the Jeanson plant for treatment and citywide distribution.
After 2015 modernization, Jeanson became Québec’s largest membrane filtration drinking-water plant and one of few North American plants with secondary membrane filtration plus very-high-frequency ozonation.
Usine J.M.-Jeanson (J.-M.-Jeanson)
Sole municipal production plant near Université de Sherbrooke; membrane microfiltration, high-frequency ozonation, and chlorination after ~27 km raw-water transfer from Magog-area intake.
Treatment on record: chlorination · filtration
Hardness 277 mg/L (Very hard)
Grade C (Fair)
pH 7.5 · lead 0.5 μg/L
ECCC / municipal open data (seed)