
Southwest Guelph Water Supply EA
Guelph’s population is growing and the City is studying whether our local water resources can meet expected demand, particularly in southwest Guelph. We’re looking into whether we can increase capacity at our existing wells and what new infrastructure would be needed to increase water supplies to accommodate expected growth.
These questions are being evaluated through a Municipal Class Environmental Assessment to determine longer term water supply capacity in southwest Guelph. This study assesses the environmental impacts of using more groundwater resources and supports the design of a groundwater protection system to address drinking water quality concerns related to past operations at the Dolime Quarry.

How can I participate right now?
Your feedback is an important part of the Class Environmental Assessment. We will use feedback to inform the opportunity and challenge statement, alternatives, evaluation criteria and recommended solution(s). Join us at our Open House on October 8, 2025.
Further reading
Phases
Project Background & Notice of Commencement
This project follows the Schedule B Municipal Class Environmental Assessment process (2024, as amended), which is an approved Class of Environmental Assessment under the Ontario Environmental Assessment Act. Due to the long timeline associated with the Operational Testing Program, the project is expected to be completed in 2026. Regular information sharing with Wellington County, Puslinch Township and Guelph/Eramosa Township has begun.
Access the Notice of Commencement here: Environmental Assessment Notice of Commencement
Well testing to begin June 23 between Laird Road West and Forestell Road
Southwest Guelph Water Supply Class Environmental Assessment
Upcoming and ongoing events
Past events
Event date: October 8th, 2025 from 6:30 PM to 8:30 PM.
West End Community Centre
1 registrant
Event date: October 19th, 2021 from 2:15 PM to 2:45 PM.
