National Pollutant Release Inventory: tools and resources

Tools and resources for accessing, analyzing and interpreting National Pollutant Release Inventory (NPRI) data on pollutant releases and transfers in Canada.

Pollution data

We have packaged the data in different ways for different uses.  You can search the entire database, download subsets of data, or view the data on maps:

• Explore NPRI data

Reports

• Highlights of 2021 data
• International initiatives

NPRI data integration

• Carbon monoxide
• Climate change
• Sulphur dioxide
• Wetlands
• Water quality​

NPRI scoping review

• NPRI use in research

NPRI sector overview

• Aluminium
• Electricity
• Metal ore mining
• Oil sands extraction
• Pulp and paper
• Wastewater

NPRI substance overview

• Ammonia
• Arsenic
• Copper
• Ethlyene glycol
• Formaldehyde
• Lead
• Mercury
• Particulate matter
• Polycyclic aromatic compounds
• Sulphuric acid
• Total reduced sulphur
• Volatile organic compounds

NPRI indigenous series

• Cree
• First Nations of Quebec and Labrador
• Nunavik
• Reimagining pollution data

Fact sheets and summary reports for previous reporting years are available upon request. Contact the NPRI at inrp-npri@ec.gc.ca.

Data resources

• About the NPRI
• Using and interpreting NPRI data
• Annual quality control process
• Quick reference guide: NPRI data products
• Accessing the Inventory Guide
• NPRI 101-201 training