Water and Wastewater Construction Projects

York Region has scheduled projects for building water and wastewater structures and facilities over the next 10 years. This 10-Year Capital Construction Program has been designed to meet the needs of York Region’s rapidly growing population.

View the following maps for an outline of planned water and wastewater projects:

Current Construction Projects:

Aurora

Aurora Sewage Pumping Station Upgrades

York Region is upgrading the sewage processes system.

Completion: June 2025

East Gwillimbury

Holland Landing Lagoon Carbon Sequestration Study

York Region and Lake Simcoe Regional Conservation Authority have begun a carbon sequestration study at the Holland Landing Lagoon site in the Town of East Gwillimbury. The study is looking to better understand the benefits of carbon sequestration in restored and naturally occurring prairie and grassland habitats.

Mount Albert Water and Wastewater Facilities

York Region will be rehabilitating the Mount Albert groundwater wells facilities, sewage pumping station, and the water resource recovery facility to extend the infrastructure lifespan and increase service capacity.

Georgina

Georgina Water Treatment Plant

York Region is rehabilitating the Georgina Water Treatment Plant, in the Town of Georgina. 

Learn more

High Street and Woodriver Bend Sewage Pumping Stations Upgrade

York Region is conducting field studies to support upgrades to High Street and Woodriver Bend Sewage Pumping Stations in the community of Sutton. The field studies are part of a review to extend the pumping stations service life and expand wastewater servicing.

Completion Date: Spring 2025

Morton Avenue Sewer and Maintenance Holes Rehabilitation

York is rehabilitating a section of the sewer, chambers and related maintenance holes along Morton Avenue between The Queensway South and Woodbine Avenue in the community of Keswick. 

Construction Notice - May 17, 2024

Completion Date: Fall 2025

King

No current projects.

Markham

16th Avenue Sewer System Rehabilitation

York Region is rehabilitating a 3-kilometre section of the sanitary sewer along 16th Avenue, between Ninth Line and Mingay Avenue in the City of Markham.

Phase Two:

Between west of Williamson Road and west of Mingay Avenue.

Completion Date: Winter 2025

Phase One: COMPLETE

Between Ninth Line and west of Williamson Road.

Leslie Street Sewage Pumping Station Upgrades

York Region is upgrading the facility and the electrical infrastructure located in the City of Markham.

Completion Date: Fall 2027

Markham Reservoir Rehabilitation (PD5)

York Region is upgrading the Markham  PD5 Reservoir located at 10615 McCowan Road in the City of Markham.

Completion Date: Summer 2026

Newmarket

Newmarket East Elevated Tank Upgrades

York Region is upgrading the mechanical and electrical system in the Newmarket East Elevated Tank.

Completion Date: Spring 2025

Newmarket Wells Facility Upgrade

York Region is upgrading the Newmarket Wells 13 & 16 Facility to support a new water treatment process. As part of the work, multiple field studies are being conducted including:

  • Topographical survey
  • Inspection of the wells and facilities
  • Geotechnical investigation
  • Hydrogeological investigations
  • Utility surveys

Completion Date: Fall 2026

Richmond Hill

Oak Ridges Air Management Facility

York Region is building a new air management facility near the intersection of Yonge Street and King Road in the City of Richmond Hill. 

Completion date: Summer 2025

Learn more

North Don Sewer Rehabilitation

York Region is rehabilitating sections of the North Don Sewer in the City of Richmond Hill.

Completion date: Spring 2025
 

Vaughan

Humber Sewage Pumping Station to Black Creek Sewage Pumping Station Sewage Forcemain Rehabilitation

York Region is rehabilitating the twin sewage forcemain and chambers between the Humber Pump Station and Black Creek Pump Station. The rehabilitation work will extend the life of the forcemain and chambers. Before the rehabilitation work begins, York Region needs to conduct multiple field studies.

Completion Date: Summer 2026

Keele Trunk Watermain Field Studies

York Region is conducting field studies of the watermain and chambers. A temporary northbound lane restriction along Keele Street is needed.

Completion Date: March 28, 2025

Northeast Vaughan Water - Phase One

New water infrastructure is needed to provide water service to the northeast Vaughan area.

Completion Date: Fall 2026

Northeast Vaughan Wastewater - Keele Street and Langstaff Road Sewer

New sewer is needed to provide additional wastewater servicing to the northeast Vaughan area.

Completion Date: Winter 2026

South Maple Reservoir Upgrades

York Region is upgrading the South Maple Reservoir by replacing the reservoirs access houses, security fence and upgrading the underground reservoirs.

Completion Date: Spring 2025

West Vaughan Sewage Servicing Project

York Region is planning new regional sewage servicing in the west City of Vaughan area.

Learn more

Completion Date: 2029

York-Peel Feedermain Rehabilitation

York Region is rehabilitating sections of the York-Peel Feedermain in the City of Vaughan.

Completion Date: Spring 2025

Whitchurch-Stouffville

Ballantrae Water Supply System

Upgrading the Ballantrae Water Supply System.

Completion Date: November 2025

York Region Sewage Works Project

The Regional Municipalities of York and Durham are working together to carry out the York Region Sewage Works Project, a long-term wastewater infrastructure project across the Towns of East Gwillimbury, Newmarket and Aurora and the Cities of Richmond Hill, Markham and Pickering. 

Learn more

Construction Projects in Durham Region:

City of Pickering

Southeast Trunk Sewer and Odour Control Facility Rehabilitation

The Regional Municipality of York is rehabilitating the Southeast Collector Trunk Sewer shafts and the existing York Durham Sewage System odour control facility in the City of Pickering. The work will extend the life of the sewer and ensure critical wastewater services are provided to the community.

Planned Construction Schedule Map

View York Region’s 2024 Construction Schedule Map for planned and approved infrastructure projects. 

View Larger Map

 Related Resources