Source
Treatment
Mains
Tap
Lake Couchiching
Lake Simcoe (Couchiching narrows system)
City distribution with lakeside plant and in-town storage.
Orillia sits at the Couchiching–Simcoe connection, so its source is the same lake system that also supplies Georgina further south in York Region—but via a local city plant rather than York transmission.
Orillia Water Filtration Plant
Surface plant treating water from the Lake Couchiching / Lake Simcoe narrows area for the City of Orillia.
Treatment on record: filtration
Hardness 106 mg/L (Moderate)
Grade B (Good)
pH 6.8999999999999995 · lead 0.2 μg/L
ECCC / municipal open data (seed)