Wednesday, October 22, 2025
Bonnybrook Wastewater Treatment Plant D Expansion
Province: Alberta
City/Region: Calgary
12
Current Rank
Project End: 2026
Project Amount: $655 Million
Industry Sector: Wastewater
Funding Source: Public
Municipal Funding: $600 Million
LEED Status: N/A
| Year | Rank |
|---|---|
| 2024 | 11 |
About The Project
BONNYBROOK WASTEWATER Treatment Plant is the largest of three wastewater treatment plants serving Calgary. Originally built in the 1930s, Bonnybrook is undergoing its most substantial upgrade to date that will see its total treatment capacity increase to nearly 1.4 million citizens when completed in 2026.
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 Waste Water Treatment Plant by an additional 108,000 Equivalent Population.
Project Owner: City of Calgary
Project/Construction Manager: Graham Construction
P3 Team Members/Project Team: Balzers Canada Inc. (Mechanical Contractor); The Vector Group (Electrical Contractor); InCom Electric Corp Electrical Contractor); Standard General Inc. (Underground); Whissell Contracting Ltd. (Underground); KLS Earthworks & Environmental
Engineer: Stantec; Jacobs; AECOM; Wood (WSP) (environmental)
Other Key Players: Hanscomb (owner’s design stage cost consultant); Aon (owner advisor and construction insurance broker); WPC Water Solutions; AGAT Labs; Englobe; EXP; McElhanney; Victaulic (supplier)
Key Players
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