GRCA GIS Mapping
To use this interactive map, please type your address in the search bar. If you see the regulation limit on or close to your property, please contact this office.
Simply click the Magnifying Glass icon, at the top-right of the map, to search for your property.
Please contact GRCA Planning Staff with your questions about a property.
- Policies & Guidelines for the Administration & Implementation of the Conservation Authorities Act & Ontario Regulation 41/24
- Ontario Regulation 41/24
- GRCA Lake Ontario Shoreline Management Plan Hazard Maps
- Lake Ontario Shoreline Management Plan
- Erosion & Sediment Control Guideline
- Erosion & Sediment Control Inspection Guide
- Technical & Engineering Guidelines for Stormwater Management Submissions
- Hydrogeological Assessment
- Rural & Agricultural Guide to Permits
- Low Impact Development Guide
- Fisheries & Oceans Canada Standards & Codes of Practice
- Provincial Planning Statement, 2024
- PRESENTATION: Legislative Updates to the Conservation Authorities Act & How Your Municipality My Be Impacted (June 20, 2024)
- MNRF (2002 as amended). River and Stream Systems: Flooding Hazard Limit Technical Guide
- MNRF (2002). River and Stream Systems: Erosion Hazard Limit Technical Guide
- MNRF (2001). Understanding Natural Hazards
- MNRF (1996). Hazardous Sites Technical Guide
- MNRF (1997). Wave Uprush and Overtopping: Methodologies and Applications (Great Lakes - St. Lawrence River Systems)
- MNRF (2022). Ontario Wetland Evaluation System: Southern Manual
Administration Office
2216 County Road 28
Port Hope, ON L1A 3V8
T: 905.885.8173
F: 905.885.9824
Ganaraska Forest Centre
10585 Cold Springs Camp Road
Campbellcroft, ON L0A 1B0
T: 905.885.8173
F: 905.797.2545