Canadian Nuclear Safety Commission renews McClean Lake Operation operating licence

News Release

June 29, 2017 – Ottawa

Today, the Canadian Nuclear Safety Commission (CNSC) announced its decision to renew AREVA’s Uranium Mine Operating Licence for the McClean Lake Operation (MLO) for a 10-year period. This decision was made following a public hearing held on June 7 and 8, 2017 in La Ronge, SK. The licence will be valid from July 1, 2017 until June 30, 2027.

In making its decision, the Commission considered submissions from AREVA and 10 intervenors, as well as CNSC staff’s recommendations.

CNSC staff will report annually via a regulatory oversight report on the performance of the MLO at a Commission meeting with public participation. The Commission also instructs CNSC staff to report on the progress related to the selenium management plan and selenium effluent as part of the annual regulatory oversight report.

The summary record of decision is available in both official languages on the CNSC website at or by contacting the CNSC Secretariat. A detailed record of decision will be published on the CNSC website at a later date. Hearing transcripts can be obtained on the CNSC website or by contacting the CNSC. The hearing webcast is available on the same site for 90 days.

The CNSC regulates the use of nuclear energy and materials to protect health, safety, security and the environment; to implement Canada’s international commitments on the peaceful use of nuclear energy; and to disseminate objective scientific, technical and regulatory information to the public.

Quick Facts

  • The McClean Lake Operation produces uranium concentrate (U3O8) and processes uranium ore slurry from the Cameco Corporation’s Cigar Lake Operation.

  • The facility is located in the Athabasca Basin area of northern Saskatchewan, approximately 750 km north of Saskatoon, SK.

  • The first licence for the McClean Lake Operation was granted in 1994, and the McClean Lake Mill was commissioned in 1999.

  • The McClean Lake Operation’s operating performance is reported annually in the CNSC’s regulatory oversight report for uranium mines and mills.

Associated Links


Aurèle Gervais
Media Relations
Canadian Nuclear Safety Commission
Tel: 613-996-6860 or 1-800-668-5284


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