National Pollutant Release Inventory

Guidance and tools on reporting to the inventory, accessing, analyzing and downloading data.

Most requested

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

Glossary

Information on terms and expressions used by the National Pollutant Release Inventory.

Contributors

What we are doing

Laws and regulations

Consultations

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