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City of Winnipeg
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Until Election Day
on October 24

West End Sewage Treatment Plant

WEWPCC Aerial Image

The West End Sewage Treatment Plant is located at 7740 Wilkes Avenue just west of the Perimeter Highway. The WEWPCC treats about 10% of the wastewater generated in the City of Winnipeg.

Plant Summary


  • Five lagoon cells (three primary and two secondary) were put into service in 1964 and provided a treatment capacity of 14 million litres per day
  • In 1973, an extended aeration plant was added to increase total treatment capacity up to 41 million litres per day
  • A conventional activated sludge plant, that increased treatment capacity to 54 million litres per day, was commissioned in 1993
  • In 2005, the five lagoon cells were modified to enable year-round operation to provide natural light disinfection in the summer and cooling in the winter
  • The conventional activated sludge plant was modified in 2008 to remove both nitrogen and phosphorus.
Last updated: June 29, 2018