Public engagement for this project has concluded.
The information here is available for your reference. If you have any questions, please reach out to the contact listed under Who’s Listening.
Welcome to the project page for the Ontario Road Sanitary Trunk Sewer - Phase 1, taking place on Ontario Road between Southworth Street and the eastern limit. This page is intended to provide residents, homeowners, business owners, and visitors with an overview of the construction work, additional resources, and the opportunity to connect with the project team.
Scope of work
This project includes the installation of a new sanitary trunk main between Southworth Street and the Ontario Road sewage pumping station at the eastern limit of Ontario Road.
Traffic disruptions
Ontario Road will be closed for the duration of construction at the Ontario/Empress intersection. Detour plans will be made available on the City of Welland website, and detailed signage will be posted along the detour route.
Closures at the Southworth/Ontario intersection will be required for certain construction activities. Detour plans will be made available on the City of Welland website, and detailed signage will be posted along the detour route.
Update: Road closure at Ontario Road and Empress Avenue begins June 19, 2025. Detours have been posted along the route.
Update: Road closure at the west side of the Ontario Road/Southworth Street intersection beginning September 3, 2025. No through traffic will be permitted in the east and west direction. See image below. The scope of work has been expanded to increase the limits to Alberta Street. Ontario Road will continue to be closed to through traffic through project completion which is estimated July 2026.

Water shutdowns
If there are unforeseen emergency water shutdowns, every effort will be made to notify you; however, notification may not always be possible. If you experience brown or discoloured water, please allow the water to run until clear. Should the water remain discoloured after continuous flow for longer than 20 minutes, please contact the City's water department at 905-735-1700 x3000.
Where are we on the public participation spectrum?
Project location