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Nuclear facility – McMaster nuclear reactor

McMaster University owns and is licensed to operate a nuclear research reactor located in Hamilton, Ontario.

The nuclear reactor is an open-pool type materials test reactor, located on the McMaster University campus.

Location: Hamilton, Ontario
Licensee: McMaster University
Reactor type: Open-pool type materials test reactor
Owner: McMaster University
Number of units: 1
Installed capacity: 5 MW
Status: Operating
Licence issued: July 1, 2014
Licence expires: June 30, 2024
Start of operation: 1959
Licensing documentation: Request a copy of McMaster University’s licence and licence conditions handbook by emailing
Facility website: McMaster University

Commission proceedings

The Commission is an independent administrative tribunal set up at arm's length from government, without ties to the nuclear industry. Use the links below to find documents related to Commission meetings or hearings.

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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.

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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, as well as other public disclosures made by licensees.

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Protecting Canadians and the 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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