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Nuclear facility - Cigar Lake Mine

Cameco Corporation (Cameco) owns and is licensed to operate the Cigar Lake Mine site, which is located in northern Saskatchewan and is the world’s second largest high-grade uranium deposit after Cameco’s McArthur River. The ore mined at Cigar lake is processed at the McClean Lake Mill.

Infrastructure at the site includes an underground mine; freezing plants and associated freeze pads; ore processing and load out; water treatment; mine rock storage pads; temporary waste storage; warehouses; worker camp; and office and administrative buildings.

Aerial view of Cameco’s Cigar Lake Mine
Location: Northern Saskatchewan, about 660 km north of Saskatoon
Licensee: Cameco Corporation
Owner: Cameco Corporation
Status: Operating
Licence issued: July 1, 2021
Licence expires: June 30, 2031 (Licence Renewal Application)
Start of operation: 2014
Licensing documentation: Request a copy of the Cigar Lake Mine licence and licence condition handbook at cnsc.info.ccsn@cnsc-ccsn.gc.ca
Facility website: Cigar Lake

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Regulatory actions

The CNSC posts regulatory enforcement actions taken to protect the health, safety and security of Canadians and the environment. Use the links below to find out more about any orders or penalties that have been placed on this licensee, if any.

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Disclosure

Licensees must report events and incidents involving licensed activities that could impact the health, safety and security of Canadians and the environment to the CNSC. Use the links below to find any information provided by this licensee, if any, as well as other public disclosures made by licensees.

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Protecting Canadians and the environment

Environment

The CNSC uses information provided by licensees to create our own reports assessing the environmental effects of nuclear facilities or licensed activities.

Health and safety

The CNSC oversees licensee emergency planning and works with other levels of government to ensure the health and safety of Canadians. We also conduct and review health studies on various areas associated with the production, possession or use of nuclear substances.

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