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

No current projects.

East Gwillimbury

East Gwillimbury Treatment Plant Green Lane

York Region will be constructing a new groundwater treatment facility on Green Lane in the Town of East Gwillimbury.

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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. 

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High Street and Woodriver Bend Sewage Pumping Stations Upgrade

York Region is looking to conduct upgrades to High Street and Woodriver Bend Sewage Pumping Stations in the community of Sutton to extend the pumping stations service life and expand wastewater servicing.

Completion Date: Spring 2025

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Keswick Water Treatment Plant

York Region is upgrading the standby generator system, concrete pad, and the electrical and HVAC systems. Periodically there will be additional construction vehicles in the area.

Completion Date: December 2025

King

Nobleton Sewage Pumping Station

York region is upgrading the Nobleton Sewage Pumping Station.

Completion date: Summer 2028

Nobleton Water Treatment Plant

York Region is upgrading well facilities and building a new Nobleton Water Treatment Plant to further enhance Nobleton’s drinking water system. 

  • As of May 2025, the design is at 90% completion, with active construction anticipated to start in early 2026.
  • Expected completion of this multi-phase project is early 2028. This phased approach ensures the community has an uninterrupted water supply during construction.
  • Once constructed, the facility will be capable of meeting Nobleton’s water demand with water treated for mineral removal to improve the water’s taste and colour.

Learn more

Markham

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

York Air Valves and Chambers Rehabilitation

York Region is replacing and upgrading valves and chambers in various location across York Region.

Completion Date:  December 2026

Newmarket

Newmarket Glenway Facility

York Region is rehabilitating the Newmarket Glenway Facility.

Completion Date: Fall 2026

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

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York Air Valves and Chambers Rehabilitation

York Region is replacing and upgrading valves and chambers in various location across York Region.

Completion Date:  December 2026

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

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.

Completion Date: Fall 2027

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 Air Valves and Chambers Rehabilitation

York Region is replacing and upgrading valves and chambers in various location across York Region.

Completion Date:  December 2026

Whitchurch-Stouffville

York Air Valves and Chambers Rehabilitation

York Region is replacing and upgrading valves and chambers in various location across York Region.

Completion Date:  December 2026
 

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. 

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 Related Resources