Gander drinking water path

Source

Gander Lake (protected public water supply) Surface water

to plant

Treatment

Gander WTP (ozone-filtration) chlorination · filtration · ozone

finished

Mains

Distribution Lake pumphouse → ~2.7 km aqueduct → plant → Bell Place reservoir (~6,228 m³) → distribution. Also serves Gander International Airport.

drinking water

Tap

Household tap Gander

Source & supply
Gander Lake (protected public water supply)
Lake pumphouse → ~2.7 km aqueduct → plant → Bell Place reservoir (~6,228 m³) → distribution. Also serves Gander International Airport.
Gander Lake is among the deepest lakes in North America (~305 m); soft, coloured, low-alkalinity water drove the ozone/GAC plant (2006/07).
Treatment
Gander Water Treatment Plant (ozone-filtration)
Class III plant: sand pre-filters, ozone contact, dual media (anthracite/sand), GAC, soda ash pH adjustment, chloramine disinfection. Capacity 600 m³/hr.
Treatment on record: chlorination · filtration · ozone
At the tap
Hardness 230 mg/L (Very hard)
Grade C (Fair)
pH 7.8 · lead 0.6 μg/L
ECCC / municipal open data (seed)