Explore National Pollutant Release Inventory data

Note

Reviewed NPRI data up to 2021 is available for download below in various formats to best fit your needs.

Preliminary 2022 NPRI data is now available on the NPRI Dashboard and NPRI data search and will be updated periodically over the summer during the annual quality control (QC) process. Reviewed 2022 NPRI data will be made available late fall.

For technical support to access the data, please email us at inrp-npri@ec.gc.ca.

Thousands of facilities located across the country report to the NPRI each year. We make this data available to the public on this page.

The data can be used in different ways. For example:

Read about how we use NPRI data and the quick reference guide for how to use the NPRI data products and decide which data product is right for you.

NPRI 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.

Reviewed 2021 data can be accessed using our NPRI data search tool or dashboard. You can use the descriptions below to choose which search option best fits your needs. For technical support to access the data, please email us at inrp-npri@ec.gc.ca.

Search NPRI data

Download NPRI data

These easy-to-use files let you dig deeper into the data in a variety of ways

View NPRI maps

All maps are for the latest data available.

You can access the full collection of raw map files for your own use on our Open Maps page.

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