Replace Aqueous Film Forming Foam Lagoon - Canadian Forces Base Greenwood

The Department of National Defence (DND) has proposed to replace the existing Aqueous Film Forming Foam (AFFF) Lagoon at Canadian Forces Base (CFB) Greenwood in Greenwood, Nova Scotia. Work will generally consist of the construction of a new AFFF vault storage structure, the installation of the required infrastructure to direct AFFF discharged by the fire suppression systems at 11 Hangar and 14 Hangar to the new AFFF vault storage structure, including connecting to the existing drainage system so the flow is redirected from the existing AFFF lagoon to the new storage structure, and associated site reinstatement activities. The proposed AFFF vault storage structure will consist of an enclosed concrete vault sized to suit the capacity of a one-hour AFFF discharge from 14 Hangar, the largest AFFF fire suppression system to be serviced by the new storage structure. The removal of the existing AFFF Lagoon and existing underground infrastructure connecting 11 Hangar and 14 Hangar to the existing AFFF lagoon is not included in the project. The proposed location for the new AFFF vault storage structure is the wooded area to the east of the existing AFFF Lagoon, northeast of 14 Hangar, and across on Schooner Drive. Work will be completed on DND property, within the Airfield Operations Zone (AOZ). It is anticipated the project will consist of various activities including site preparation, removal of trees and vegetation, construction, excavation, trenching, backfilling, soil management, and site reinstatement activities (e.g., landscaping).

Latest update

April 17, 2022 – The public comment period on the project is closed. The Department of National Defence 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 - March 28, 2022


Cameron Pongoski
Department of National Defence
Cameron Pongoski, Project Manager
PO Box 5000 Station Main
Greenwood, Nova Scotia B0P 1N0

  • Location

    • Canadian Forces Base Greenwood (Nova Scotia)
  • Nature of Activity

    • Building and Property Development
  • Assessment Status

    In progress
  • Start Date

  • Proponent

    Department of National Defence
  • Authorities

    • Department of National Defence
  • Assessment Type

    Project on federal lands
  • Reference Number


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