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Wheeler River Project

Denison Mines Corp. (Denison) is proposing to develop an in situ recovery uranium mining and processing operation located in the Athabasca Basin in northern Saskatchewan, approximately 600 km north of the city of Saskatoon, 4 km west of Highway 914 and midway between Cameco Corporation's Key Lake Mill and McArthur River Mine. The proposed Wheeler River mine would produce up to 5400 tonnes of U3O8 annually for twenty years.

Under the Nuclear Safety and Control Act, Denison's proposal requires approval by the Canadian Nuclear Safety Commission (CNSC). An environmental assessment (EA) conducted under the Canadian Environmental Assessment Act, 2012 is required, and an EA decision affirming that the proposed activities will not cause significant adverse environmental effects, before the CNSC can make a licensing decision on this proposal.

This project is also subject to the environmental assessment requirements of the Government of Saskatchewan.


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 project.


Latest update

December 20, 2019 - The Canadian Nuclear Safety Commission (CNSC) announced its decision on the scope of an environmental assessment of the proposed Wheeler River Project.

August 28, 2019 - Canada’s new Impact Assessment Act (IAA) came into force. Under the transitional provision set out at section 182 of the IAA, given that the proposed Wheeler River Project commenced under the Canadian Environmental Assessment Act, 2012 and a decision statement has not yet been issued, the project will continue under the process set out in the CEAA, 2012. The letter sent to Denison Mines Corp. regarding the changes to federal legislation can be found here.

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Key documents

Key documents
Document Number Document Title File Date
7 Decision on the scope of an environmental assessment of the proposed Wheeler River Project PDF (246 KB) December 20, 2019

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Contacts

  • Canadian Nuclear Safety Commission
  • 280 Slater Street
  • Ottawa, ON, K1P 5S9
  • Telephone: 613-947-3209 or 1-800-668-5284
  • Fax: 613-995-5086
  • Email: cnsc.ea-ee.ccsn@canada.ca

  • Location

    • Russell Lake (Saskatchewan)
  • Project Type

    • Nuclear Energy
    • Mines and Minerals
  • Status

    In progress
  • Start Date

    2019-05-31
  • Proponent

    Denison Mines Corp.
  • Authorities

    • Canadian Nuclear Safety Commission
  • Assessment Type

    Environmental assessment under CEAA 2012
  • Reference Number

    80178
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