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Port Dalhousie Wastewater Treatment Plant
All Niagara Region projects

Project Updates

  • Contract one

    The scope of work associated with contract one includes:

    • Construction of two new aeration tanks consisting of fine bubble diffuser system, coarse bubble channel and chamber aeration, aeration tanks influent chamber and aeration tanks Mixed Liquor Suspended Solids chamber
    • Construction of a new blower building and installation of new blowers and controls
    • Replacement of existing secondary clarifier five Return Activated Sludge pumps and associated piping and instrumentation with new
    • Modifications to existing primary power distribution system, addition of a new switchgear, transformer and generator
    • Installation of new Remote Programmable Unit and supervisory control and data acquisition upgrades
    • Decommissioning of the existing aeration system
  • Contract two

    The scope of work associated with contract two includes:

    • Construction of new inlet/bypass channels with flow measurement
    • Modifications to existing screen building including installation of new screening conveyance system
    • Modifications to the chlorine contact tank inlet and gates
    • Refurbishment of the existing biofilter
    • Construction of a new administration building
    • Demolition of a portion of the existing administration building
    • Replacement and/or rehabilitation of the plant Master Control Centres
    • Replacement of the plant Remote Programmable Units
  • About the Project

    The Port Dalhousie Wastewater Treatment Plan is owned and operated by Niagara Region, located at 40 Lighthouse Rd., in St. Catharines (north of Lakeshore Rd.), servicing the City of St. Catharines and the City of Thorold.

    The Port Dalhousie Wastewater Treatment Plant requires improvements throughout the plant, which will be completed in phases under two contracts.

Project Timeline

Detailed design

march 2021 - May 2023
Construction of contract one

Construction of contract two



Lindsay Jones
Senior Project Manager
Niagara Region
Email Lindsay Jones

Ray Bonin
Project Manager and Contract Administrator
Hatch Ltd.

Image Gallery

Map Port Dalhousie Wwtp
This project is part of the Moving Wastewater Forward initiative.
This is a map of the Port Dalhousie Wastewater Treatment Plant.
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