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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. 

Study map area

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

Phases overview
Project Background & Notice of Commencement
Engagement
Open House
Notice of Completion

Project Background & Notice of Commencement

September 6, 2021 - December 20, 2024

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

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    Past events

    • Open House #1

      Event date and time

      Event date: October 8th, 2025 from 6:30 PM to 8:30 PM.

      Location

      West End Community Centre

      Registrants

      1 registrant

    • Event date and time

      Event date: October 19th, 2021 from 2:15 PM to 2:45 PM.

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