Key Lake Mill
Cameco Corporation (Cameco) owns and is licensed to operate the Key Lake Mill site, located in northern Saskatchewan. The CNSC has full-time staff in Saskatoon and Ottawa who perform regular inspections to evaluate operations and to verify compliance with regulatory requirements and licence conditions.
- Facility Information
- Latest CNSC Facility-Specific Announcements
- Disclosure Protocol
- Regulatory Reporting
- Other Key Topics
Location: Northern Saskatchewan
Licensee: Cameco Corporation
Licence issued: November 1, 2013
Licence expires: October 31, 2023
Start of commercial operation: 1983
The Key Lake site included two ore bodies, Gaertner and Deilmann, discovered in 1975 and 1976. Mining was conducted between 1983 and 1997. Milling began in 1983 and continues today. Since 1999, uranium ore is transported from the McArthur River Mine to Key Lake for milling. The mill is located approximately 570 kilometres north of Saskatoon, Saskatchewan. For more information, visit Cameco's website.
Operating Performance of the Key Lake Mill
The CNSC produces an annual report on the performance of uranium fuel cycle and processing facilities, which includes the Key Lake Mill. The report provides information on events, facility modifications, and areas of increased regulatory focus. It also tracks data on:
- public and worker radiation dose
- lost-time incidents for workers
- environmental monitoring results
- environmental reportable spills and corrective actions taken
- current financial guarantees for future decommissioning costs
Read the report to learn about the Key Lake Mill's operation performance.
Latest CNSC Facility-Specific Announcements
- September 18, 2015: CNSC publishes 2014 Independent Environmental Monitoring Program results for Key Lake mill
- September 12, 2014: The CNSC has been informed that Cameco has reached a tentative collective agreement with its unionized employees the McArthur River mine and Key Lake mill operations. Strike action has ended and preparations are underway to resume uranium production. CNSC staff will monitor the restart of operations to ensure the safety of workers, the public and the environment. Visit Cameco's website for more information.
- August 27, 2014: Cameco initiates shutdown of McArthur River mine and the Key Lake mill operations in response to strike notice. The CSNC has been informed, in accordance with the regulations, of a union strike notice affecting the operation of the McArthur River mine and the Key Lake mill operations. Cameco Corporation has initiated a shutdown and will cease production at those sites if the strike occurs.
- December 2, 2013: Cameco reports environmental release
- October 29, 2013: CNSC Renews Cameco's Uranium Mine Licences for Key Lake, McArthur River and Rabbit Lake Operations
- July 8, 2014: Notice - Cameco Corporation - request to accept the proposed Environmental Assessment (EA) Report for the Key Lake Extension Project
- August 5, 2014: Record of Proceedings - CNSC accepts the AE Report for the Key Lake Extension Project
As part of CNSC's regulatory requirements, major licensees must have robust public information and disclosure programs in place. These programs include a disclosure protocol developed in consultation with community stakeholders.
- Regulatory Oversight Report for Uranium Mines and Mills in Canada
- Regulatory actions
- Event Reports for Major Nuclear Facilities
Other Key Topics
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