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Fisheries Habitat Construction at Big Island Marsh

A Fisheries Act Authorization from DFO is required by Parks Canada, Trent Severn Waterway (TSW) for impacts on fish habitat associated with dam construction projects at TSW Trenton Dam 1 and Glen Miller Dam 3. The Authorization includes provisions for offsetting measures.

The construction of the Big Island causeway in the 1950's and decreased water flows between the island and the mainland have caused the channels to be filled in with silt, and cattails now cover the entire area from the island to the mainland. Parks Canada is proposing to expand on existing fish habitat enhancements at the Big Island Marsh by constructing a new channel and widening/deepening of 2 existing channels. Cattail marsh vegetation will be removed to a width of 10 m and depths up to 3.0 m, in order to ensure these areas stay open into the future. This project is expected to result in the enhancement of fish habitat at the Big Island Marsh.

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

22 march 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 from 20 february to 21 march 2020 - February 20, 2020

List all records

Contacts

Trent-Severn Waterway National Historic Site
P.O. Box 567
Peterborough, ON K9J 6Z6
Telephone: 705-750-4900 or 1-888-773-8888
Fax: 705-742-9644
Email: Ont.Trentsevern@pc.gc.ca


  • Location

    • Trent-Severn Waterway National Historic Site (Ontario)

  • Project Type

    • Other, not otherwise specified

  • Status

    In progress

  • Start Date

    2020-02-20

  • Proponent

    Parks Canada

  • Authorities

    • Parks Canada Agency

  • Assessment Type

    Project on federal lands

  • Reference Number

    80495

Nearby projects

..within 200 kilometres
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