North Bay drinking water path

Source

Trout Lake Surface water

raw water

Intake

Raw water intake pump station

to plant

Treatment

North Bay WTP chlorination · UV · filtration

finished

Mains

Distribution Class 4 distribution with reservoirs, standpipes, and booster/rechlorination stations across pressure zones serving roughly 54,000 people.

drinking water

Tap

Household tap North Bay

Source & supply
Trout Lake
Class 4 distribution with reservoirs, standpipes, and booster/rechlorination stations across pressure zones serving roughly 54,000 people.
North Bay replaced earlier filtration with a membrane plant on Trout Lake—an inland shield-lake source rather than a Great Lakes intake.
Treatment
North Bay Water Treatment Plant
Class 3 membrane microfiltration plant at 248 Lakeside Drive with UV and chlorine disinfection, fluoridation, and pH adjustment. Draws Trout Lake (Mattawa River watershed). Design capacity about 79,500 m³/day.
Treatment on record: chlorination · UV · filtration
At the tap
Hardness 90 mg/L (Moderate)
Grade B (Good)
pH 7.3 · lead 0.2 μg/L
ECCC / municipal open data (seed)