National Pollutant Release Inventory
Note
Reviewed NPRI data is now available up to 2021. You can download the data from our Explore Data page. Additionally, NPRI data is also available on the NPRI Dashboard and NPRI data search.
For technical support to access the data, please email us at inrp-npri@ec.gc.ca.
The deadline for filing your 2022 National Pollutant Release Inventory (NPRI) report is June 1st, 2023. The Single Window NPRI application is available at https://ec.ss.ec.gc.ca. We typically see a surge in activity the 2 weeks prior to the reporting deadline. For an optimal reporting experience, please consider submitting your report earlier if possible.
Services and information
Reporting to the NPRI
Facilities, reporting requirements, deadlines, guidance, legal requirements, toolbox, Single Window.
Pollution data and reports
Summary report, Fact sheet, reviewed data, facility.
Using and interpreting NPRI data
Understand data, annual, analyze, understand, risks, calculation methods, quality, factors.
Video tutorials
Data users, how to use, map layers, tabular data, excel format, access NPRI data, query site.
Data quality
Accuracy, consistency, comprehensive, data users, data needs, quality.
Consultations
Stakeholders, current, past, consultations, proposals for changes, engagement framework, working group.
Substance lists
Current substance list, changes over time, substance information, Canada Gazette, NPRI notices
About the National Pollutant Release Inventory
Canada’s public inventory of pollutant releases, disposals and transfers.
Get involved : partnership and mentorship opportunities
Collaborations with museums, festivals, conferences, students, Indigenous peoples, international organizations and more.
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