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Shoreline Protection - Seawall Repairs

An armoured stone seawall, located around the perimeter of the shoreline adjacent to the St. Andrews Blockhouse National Historic Site, provides protection against erosion from the water and wave action of the Passamaquoddy Bay. Recent inspection of the seawall identified a number of deficiencies that could result in potential failure of the structure and cause erosion to the site. The Shoreline Protection – Seawall Repairs project intends to rehabilitate the stone seawall by repairing damaged areas along the structure. Some displaced stones will be temporary removed to allow the necessary work to repair and raise the degraded bed. Geotextile fabric will be installed before reinstating the stone. In other areas, displaced stones, currently sitting on the ocean floor, will be collected and fitted back in place. In addition, previously placed concrete pieces will be removed and replaced with stone.


This map is for illustrative purposes. The markers represent the approximate locations based on available data. More than one marker may be identified for a given assessment.


Latest update

28 October 2020 – The public comment period on the project is closed. Parks Canada is considering comments received to help inform its determination on whether the carrying out of the project is likely to cause significant adverse environmental effects.

Key documents

Key documents
Document Number Document Title File Date
1 New Project Being Assessed by Parks Canada - Public Comments Invited 28 September to 28 October, 2020 - September 28, 2020

List all records


St. Andrews Blockhouse National Historic Site
P.O. Box 1001
Alma, NB E4H 1B4
Telephone: 506-887-6000

  • Location

    • St. Andrews Blockhouse National Historic Site (New Brunswick)
  • Project Type

    • Maintenance activities (fences, walls)
  • Status

    In progress
  • Start Date

  • Proponent

    Parks Canada
  • Authorities

    • Parks Canada Agency
  • Assessment Type

    Project on federal lands
  • Reference Number


Nearby projects

..within 200 kilometres
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