Bonnybrook Wastewater Treatment Plant D Expansion

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This project involves upgrades and expansion of the Bonnybrook Wastewater Treatment plant in multiple phases. Construction began in 2017 on Phase 1 (completed 2021) with Phase 2 beginning in 2024.

According to the City of Calgary, the second phase of the Plant D Secondary Treatment expansion includes the construction of a third BNR reactor and two additional secondary clarifiers. This will increase the capacity of the Bonnybrook Wastewater Treatment Plant by an additional 108,000 Equivalent Population.

Municipality:	Calgary
Sector:	Infrastructure
Type:	Water/Wastewater
Schedule:	2017 - 2026
Estimated Cost:	$700.0M
Stage:	Under Construction Projects are proposed from the time they are announced to the start of construction. For substage fields, see our methodologies page.
Developer:	City of Calgary
Contractor:	Graham Construction
Related Links:	May 11, 2015 - Journal of Commerce Feb 26, 2014 - Calgary Sun