Ottawa, Ontario – February 23rd, 2026 - The National Capital Commission has determined that the proposed project is not likely to cause significant adverse environmental effects with the application of all recommended mitigation measures.

This determination was based on a consideration of the following factors:

  • comments received from the public; and
  • technically and economically feasible mitigation measures.
  • the components of the environment that are within the legislative authority of Parliament identified in the "Definitions" section of the Impact Assessment Act. 

Key mitigation measures taken into account for this determination include:

  • Develop and implement:
    • An erosion and sediment control plan.
    • An emergency spill response plan.
    • A drainage and pumping plan.
    • A soil management plan.
    • A groundwater and surface water management plan.
    • A tree protection and compensation plan.
  • Remove vegetation outside of the bird nesting and bat maternity seasons (April 8 to August 28, May 1st to September 30th respectively) to prevent impacts on individuals and their residences.
  • Protection of milkweed during the monarch active period (May 15th to September 15th).
  • Undertake site reinstatement and replanting in accordance with the planting and landscaping plans.
  • Clean all heavy equipment and ensure free of invasive species prior to accessing federal lands to prevent the spread and introduction of invasive species. 
  • Follow all recommendations in the letter of advice from the Department of Fisheries and Oceans (DFO) and complete all works in proximity to fish habitat between July 15th and March 31st.

The National Capital Commission is satisfied that the carrying out of the project is not likely to cause significant adverse environmental effects.

Therefore, the National Capital Commission may carry out the project, exercise any power, perform any duty or function, or provide financial assistance to enable the project to be carried out in whole or in part.

Document reference number: 3

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