Aecon consortium wins $815M Winnipeg sewage plant upgrade contract

By: The Canadian Press Posted: 8:43 AM CDT Friday, Jul. 17, 2026 Last Modified: 10:38 AM CDT Friday, Jul. 17, 2026

A consortium led by Aecon Group Inc. has won an $815-million contract for a sewage plant upgrade project in Winnipeg.

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A consortium led by Aecon Group Inc. has won an $815-million contract for a sewage plant upgrade project in Winnipeg.

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A consortium led by Aecon Group Inc. has won an $815-million contract for a sewage plant upgrade project in Winnipeg.

The Winnipeg North End Sewage Treatment Plant is the city’s largest and oldest wastewater treatment facility.

The upgrade project is expected to help it meet environmental regulations, protect waterways and expand water treatment capacity.

An Aecon construction site near the Gardiner Expressway is shown in Toronto on July 10, 2020.THE CANADIAN PRESS/Joe O'Connal

In addition to Aecon, the Red River Biosolids Partners consortium includes MWH Constructors and Oscar Renda Contracting, with each partner holding a 33.3 per cent interest.

Stantec is providing design services.

The upgraded facilities are expected to start operations in the fourth quarter of 2030, with final construction completed in the second quarter of 2031.