Revetments are a popular choice for erosion mitigation in the GTA. They have been proven to provide effective long-lasting protection.
This concept offers the most robust form of erosion mitigation protection, as the revetment acts as a wall that stops waves from impacting the shoreline and the land behind it.
Key Benefits
Long lasting erosion protection
Will halt any further toe regression of bluffs
Set far enough lakeward to allow for slope adjustment and maintenance access
Revetment Cross-section. W.F. Baird, 2022
Advantages
- It is a common and well-used option along the GTA shoreline
- It is relatively easy to source the materials in large quantities
- In-water work is limited
Disadvantages
- The revetment may result in the loss of sand on the lake side of the structure
- Significant changes to shoreline habitat and aesthetics
This option is currently preferred for Reach 4, Reach 5, Reach 12, and has a rough costing of $33,000/m. This option is recommended for Reach 1, Reach 3 and 4, Reach 5 and 6, Reach 8, and Reach 12