The Town has received a proposed Official Plan Amendment Application (POPA).
- Current Status
- Public Meeting Date: September 16, 2025
- Approved by Council (March 30, 2026)
- Revised studies/material under review
Property Description
The subject lands are located at (0, 12197, 12155, 10265, 12045, 12029 Coleraine Drive 8522, 8576, 8602 Mayfield Road ), (East side of Coleraine Drive, and north of Mayfield Road).
- Town File Number(s): POPA 2024-0005
- Project Name: Darrin Cohen of Weston Consulting on behalf of South Simpson Landowner Group Inc.
- Location Map
- Official Plan Amendment
The Official Plan Amendment proposes to extend Simpson Road to Mayfield Rd and channelization of the Rainbow Creek.
Updates and Notices
- Notices
- Notice of Application - September 12, 2024
- Notice of Public Meeting - August 21, 2025
- Material Submitted
- Cover letter
- Planning Justification Report
- Indigenous Engagement Summary
- Updated Master Environmental Servicing Plan
- Hydrogeological Investigation
- EIS Memorandum
- Simpson Rd Extension and Rainbow Creek Culvert Feasibility Study
- Transportation Impact Study
- Transportation Letter - Feasibility of proposed EW Road
- Archaeological Assessment (Stage 1)
- 2nd Submission - Materials Submitted
- Cover Letter
- Draft Official Plan Amendment
- Draft Official Plan Amendment (Future Caledon)
- Block Plan Figure
- Planning Justification Report Addendum Letter
- Comment Response Matrix
- Master Environmental Servicing Plan Update
- Hydrogeological Investigation
- Geotechnical Investigation
- Environmental Impact Study
- Fluvial Geomorphology Assessment
- Conceptual Flood Hazard Assessment and Natural Channel Design
- Transportation Impact Study Update
- Sanitary Servicing Tables and Figures
- Phase I and II Archaeological Assessment (Parcel I)
- Ministry of Culture, Tourism and Sport Clearance Letter (Parcel I)
- Phase I Archaeological Assessment (Non-Participant Lands)
- 3rd Submission - Materials Submitted
- Cover Letter
- Comment Matrix
- By-law No. 2026-020 – OPA 291
- OPA 291 Declaration
- Master Environmental Servicing Plan Update, prepared by GEI - Contact Lead Planner
- West Rainbow Creek Fluvial Geomorphology Assessment and Channel Realignment
- Environmental Impact Study
- Hydrogeological Investigation
- Conceptual Flood Hazard Assessment and Natural Channel Design
- Transportation Impact Study Update
- Geotechnical Investigation
Lead Planner
Sarah Mowder
Senior Planner, Development Planning
Planning Development
905-584-2272 ext. 4177
Sarah.Mowder@caledon.ca
Additional Resources
For more information about this matter, or to provide comments, feedback or ask questions, please contact the Lead Planner at Town Hall from Monday to Friday, 8:30 a.m. to 4:30 p.m.