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Port Weller Water Level Gauge Station Shoreline Reinforcement Project

Fisheries and Oceans Canada owns a water level gauging station in Port Weller, Ontario that is used for measuring water levels in Lake Ontario for use in navigation safety, cargo loading and unloading, monitoring, forecasting, and regulation. Operated  by Canadian Hydrographic Services, the Port Weller Gauge Station is located immediately west of the Canadian Coast Guard's Port Weller Search and Rescue Station on the west side of the west breakwater at the northern terminus of the Welland Canal. Approximate GPS coordinates are 43°14'12.21" North, 79°13'10.68" West.

Severe shoreline erosion poses a hazard to the existing Port Weller Gauge Station. Recession of the shoreline was relatively slow between 1954 and 2000 with recession rates between 0.01 to 0.04 metres per year. The rate of recession has increased since the year 2000. Recession rates immediately to the north of the gauge station were as high as 0.52 metres per year between 2006 and 2017. Recession was as high as 1.7 metres between 2017 and 2018 likely due to the record high lake levels in 2017.

Fisheries and Oceans Canada, Real Property Ontario and Prairie Region, Engineering and Technical Support is proposing to undertake a restoration and armouring treatment of the shoreline that will span approximately 70 metres. Shoreline repair will consist of an armourstone revetment at a grade of 2 Horizontal : 1 Vertical. The double layer revetment will be bedded on a 0.6 metre thick layer of 300 to 600 millimetre stone overtop of a non-woven geotextile fabric. The first layer of armourstone revetment will consist of 2 to 4 tonne armour stone, while the second top layer will consist of 3 to 5 tonne armour stone. This treatment will provide long term stability for the Port Weller Gauge Station and other vulnerable features of the Canadian Coast Guard Search and Rescue Station property.

As part of this project, the water intake pipe for the Port Weller Gauge Station may be replaced depending on its condition and any damage sustained during construction

Disclaimer

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

December 30, 2020 – The public comment period on the project is closed. Fisheries and Oceans Canada, Real Property Ontario and Prairie Region, Engineering and Technical Support 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 Public Comment Period on Intent to Make a Determination - November 30, 2020

List all records

Contacts

Jason Boland
Fisheries and Oceans Canada, Real Property Ontario and Prairie Region, Engineering and Technical Support
Jason Boland, Senior Project Technologist
520 Exmouth Street
Sarnia, Ontario N7T 8B1
Telephone: 226-402-2846
Email: Jason.Boland@dfo-mpo.gc.ca


  • Location

    • St. Catharines (Ontario)

  • Nature of Activity

    • Remediation and conservation

  • Assessment Status

    In progress

  • Start Date

    2020-12-01

  • Proponent

    Fisheries and Oceans Canada, Real Property Ontario and Prairie Region, Engineering and Technical Support

  • Authorities

    • Fisheries and Oceans Canada

  • Assessment Type

    Project on federal lands

  • Reference Number

    81165

Nearby assessments

..within 200 kilometres
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