Canadian Nuclear Safety Commission

The Canadian Nuclear Safety Commission (CNSC) is publishing total annual releases of radionuclides released directly to the environment from nuclear facilities. This update includes 2022 radionuclide loading data. Please refer to the Notes and Changes spreadsheet for a list of changes.

The following tables contain data on administrative monetary penalties (AMPs) issued by the Canadian Nuclear Safety Commission (CNSC) as part of compliance actions, as permitted under the Nuclear Safety and Control Act. In the current tables, which contains details on companies and individuals,...

The accompanying dataset contains information about lost, stolen and found licensable sealed sources and radiation devices since 2008. Licensees have an obligation to report these occurrences. The dataset was generated by the Canadian Nuclear Safety Commission (CNSC) from events reported to the...

The accompanying dataset contains all transactions catalogued in the Sealed Source Tracking System with annual updates. The SSTS is used in conjunction with the National Sealed Source Registry to track and report the movement of high- and very high-risk sealed sources within Canada. Sealed...

This dataset includes links, documents, document titles and reports which are of importance to Ontario Power Generation (OPG)'s Darlington New Nuclear Project (DNNP). The purpose of this dataset is to proactively share and provide details on all information which is publically available for the...

As Canada’s nuclear regulator, the CNSC reviews the environmental protection measures put in place for every facility we regulate. The Environmental Protection Review report series offers a summary of CNSC staff’s technical assessment of how effectively licensees are protecting human health and...

As Canada’s nuclear regulator, the CNSC reviews the environmental protection measures put in place for every facility we regulate. The Environmental Protection Review report series offers a summary of CNSC staff’s technical assessment of how effectively licensees are protecting human health and...

As Canada’s nuclear regulator, the CNSC reviews the environmental protection measures put in place for every facility we regulate. The environmental protection review report series offers a summary of CNSC staff’s technical assessment of how effectively licensees are protecting human health and...

As Canada’s nuclear regulator, the CNSC reviews the environmental protection measures put in place for every facility we regulate. The environmental protection review report series offers a summary of CNSC staff’s technical assessment of how effectively licensees are protecting human health and...

As Canada’s nuclear regulator, the CNSC reviews the environmental protection measures put in place for every facility we regulate. The environmental protection review report series offers a summary of CNSC staff’s technical assessment of how effectively licensees are protecting human health and...

This dataset includes links, documents, document titles and reports which are of importance to NB Power's ARC-100 Project. The purpose of this dataset is to proactively share and provide details on all information which is publically available for the project. The following information will be...

The objective of the Independent Environmental Monitoring Program (IEMP) is to build Indigenous and public trust in the Canadian Nuclear Safety Commission's (CNSC) regulation of the nuclear industry, via an independent, technical and accessible environmental sampling program around nuclear...

This dataset contains the total annual releases of radionuclides released directly to the environment through direct discharge (i.e. releases to water) from the closed mine sites near Elliot Lake, Ontario, Canada. Note that there is no stack emissions for the Elliot Lake.

The Canadian Nuclear Safety Commission (CNSC) and Environment and Climate Change Canada (ECCC) are publishing databases with effluent and environmental monitoring results from nuclear facilities located along the Ottawa River watershed.

As Canada’s nuclear regulator, the CNSC reviews the environmental protection measures put in place for every facility we regulate. The environmental protection review report series offers a summary of CNSC staff’s technical assessment of how effectively licensees are protecting human health and...

An important part of reducing risk to CNSC employees is by clearly communicating with licensees about our expectations and the Government of Canada’s Workplace Harassment and Violence Prevention Regulations. We are taking a proactive stance against workplace harassment and violence by informing...

As Canada’s nuclear regulator, the CNSC reviews the environmental protection measures put in place for every facility we regulate. The environmental protection review report series offers a summary of CNSC staff’s technical assessment of how effectively licensees are protecting human health and...

This dataset contains the total annual releases of radionuclides released directly to the environment through stack emissions of the nuclear power plants in Canada. This original radionuclide releases dataset of the nuclear power plants provides results for both stack emissions and direct...

This dataset contains the total annual releases of radionuclides released directly to the environment through direct discharge from uranium and nuclear substance processing facilities in Canada. This original radionuclide releases dataset of the uranium and nuclear substance processing...

This dataset contains the total annual releases of radionuclides released directly to the environment through direct discharge (i.e. releases to water) from uranium mines and mills in Canada. Note that there is no stack emissions for the uranium mines and mills.