2025 Top 50 Water Projects Report - Report - Page 28
TOP 50 WATER PROJECTS 2025
WASTEWATER
WORK AT the Jean-R.-Marcotte treatment station is
underway to enable wastewater treatment through
ozonation—a process that injects ozone at the end of
the treatment cycle. This environmentally advantageous solution requires several key infrastructure
upgrades, which will be completed in phases to
support full implementation by 2025.
To measure and manage runo昀昀 impacts, a study
analyzed data from the past 10 years. The 昀椀ndings suggest that the volume of water potentially
discharged into the St. Lawrence would be six times
lower per hour than during the 2015 construction
period. The runo昀昀 would primarily consist of rainwater, mixed with a small portion of wastewater.
The treatment station features an integrated
control system that prioritizes runo昀昀 sites. In the
event of 昀氀ooding, water will be directed to areas of
the river with the least potential impact on human
and aquatic health.
As the third-largest treatment station in the
world, the Jean-R.-Marcotte facility treats 45 percent of Québec’s wastewater—more than an Olympic
stadium’s worth every day. Operating 24/7, the
station relies on 350 employees to keep everything
running smoothly. •
2024 Rank: 16
Location: Montreal, Que.
Owner: City of Montreal
Key Players: ABB (Process Automation), EXP,
AECOM (Engineer, Consulting)
Substantial Completion: 2025
MONTREAL.CA
17
Jean R. Marcotte Wastewater Treatment Plant
$360 million
DRINKING WATER
18
Buffalo Pound WTP Renewal Project
$325.6 million
2024 Rank: 17
Location: Near Bu昀昀alo Pound Lake, Sask.
Owner: Bu昀昀alo Pound Water Treatment Corporation (SK)
Design Services Contract: JV Graham Infrastructure Inc. – Aecon Water Infrastructure Inc.
Engineering: Stantec; Associated Engineering
Other Key Players: KSB PUMPS INC. (Product
Supplier), Graham (Project Manager/Construction Manager, Contractor)
Substantial Completion: 2026
THE RENEWAL project will upgrade the main treatment plant, treatment processes and treatment technologies, as well as modernizing
the facility with necessary redundancy. It will rejuvenate the plant,
enabling it to meet the region’s forecasted potable water demands for
the years ahead. Construction began in June on the project. Work to
date includes construction on temporary roads and lay down areas, the
start of new summer ponds, relocation of a natural gas line, initiation
of chemical tank refurbishment, and the start of various underground
services. The plant renewal project is expected to be completed and
fully operational by the end of 2025. •
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WATER C AN ADA’S TOP 50 WATER PRO JEC T S
WAT E R C A N A D A . N E T
