Explore National Pollutant Release Inventory data

Note

NPRI’s 2018 data are now available!

2019 preliminary data are also available upon request at ec.inrp-npri.ec@canada.ca.

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

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.

Search NPRI data

Search our database for 1994 to 2017 pollutant releases in your area, as well as information about the facility(s).

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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