Chalk River Laboratories

The Commission is an independent administrative tribunal set up at arm’s length from government. It does not have ties to the nuclear industry. Use the following links to find documents related to recent Commission meetings or hearings:

• March 2026: Commission Meeting on the 2024 Regulatory Oversight Reports
  • Regulatory oversight report – Canadian Nuclear Laboratories (CNL) sites
• January 9, 2024:
  • Commission amends CNL’s licence for Chalk River Laboratories to authorize construction of a near surface disposal facility
  • The record of decision is now available here (PDF)

Search Commission documents

The CNSC posts regulatory enforcement actions taken to protect the environment and the health, safety and security of all people in Canada. Use the following links to find out more about any orders or penalties that have been issued to this licensee:

• No recent regulatory actions

View all regulatory actions

Licensees must report to the CNSC all events and incidents involving licensed activities that could impact the environment or the health, safety and security of people in Canada. Use the following links to find public disclosures made by this or any other licensee:

• CNL event reports
• CNL community information bulletins

View all nuclear-related event reports in Canada

The CNSC recognizes the importance of engaging and building relationships with the public living near existing or proposed nuclear facilities and with other interested parties.

CNSC regulations ensure that licensees communicate information effectively about activities at licensed facilities that are of interest to the public.

• News & Publications – Canadian Nuclear Laboratories

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

• Environmental monitoring: See the independent environmental monitoring results collected by the CNSC
• Environmental risk assessment: Email cnsc.info.ccsn@cnsc-ccsn.gc.ca to request a copy
• Federal, provincial and municipal monitoring programs: See the list of monitoring programs managed by other levels of government
• Radionuclide releases: View the Canadian Nuclear Laboratories dataset in Canada’s Open Government catalogue for information on releases from this facility
• CNL’s environmental monitoring reports

The CNSC oversees licensee emergency planning and works with other levels of government to ensure the health and safety of all people in Canada. The CNSC also conducts and reviews various health studies related to the production, possession or use of nuclear substances.

• CNSC health studies on Canadian nuclear facilities: Consult relevant health studies on nuclear reactors regulated by the CNSC