May 20, 2026
Today, the Canadian Nuclear Safety Commission (CNSC) announced the Commission's decision to renew the Saskatchewan Research Council's (SRC) nuclear substances and radiation devices licence for the Gunnar historic uranium mine and mill site (Gunnar site) for a 5-year period.
The Gunnar site is in northern Saskatchewan, near Lake Athabasca and about 25km southwest of Uranium City. It is located approximately 600km north of Saskatoon, on Treaty 8 territory and the Homeland of the Metis, and is within the traditional territories of the Denesine, Cree, and Metis.
In making its decision, the Commission carefully considered all submissions and perspectives received and perspectives received as part of a public hearing in writing held in spring 2026.
The renewed licence is valid until May 31, 2031, and authorizes SRC to conduct ongoing remediation at the Gunnar site. During this 5-year period, SRC intends to complete remediation work, finalize the remediation documentation and long-term post-remediation monitoring plans, and update site-specific management plans. The licence renewal does not authorize any new activities at the Gunnar site. Transition to long-term monitoring would require a separate, future Commission licensing hearing and decision.
The record of decision is available upon request to the Commission Registry at [email protected]. The decision will also be posted in both official languages on the CNSC website at a later date. All submissions related to this licence renewal are available on the CNSC website.
Quick facts
- Gunnar is a decommissioned historic uranium mine that is undergoing active remediation by SRC.
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The site operated from 1955 to 1963 and closed in 1964, with little decommissioning performed at the time.
Contact
Media Relations
Canadian Nuclear Safety Commission
Tel: 613-996-6860
Email: [email protected]
