Explore National Pollutant Release Inventory data
Note
Preliminary NPRI Data is now available for 2024. Preliminary data is available through the NPRI Dashboard and NPRI data search. Additionally, you can download the reviewed data below in various formats based on what best fits your needs.
For technical support to access the data, please email us at inrp-npri@ec.gc.ca.
NPRI data
Thousands of facilities located across the country report to the NPRI each year. We make this data available for public use on this page. Use cases include:
- members of the public can use it to track pollutants in their own neighbourhoods
- researchers can use it to monitor changes to air and water quality
- governments can use it to help set up environmental policies
Read about how we use NPRI data and the quick reference guide to decide which data product is right for you.
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. You can also view preliminary 2024 data using our NPRI data search tool or dashboard. For technical support to access the data, please email us at inrp-npri@ec.gc.ca.
Search NPRI data
Use our National Pollutant Release Inventory data search tool for reviewed 1993 to 2023 data, and preliminary 2024 data. Search by pollutant, industry, province, or watershed to find the data that most affects you and your community. It includes:
- predefined queries and advanced searches to view NPRI data in tables
- pollution prevention activities
- links to other datasets for facilities that also report to the Greenhouse Gas Reporting Program (GHGRP)
- links to other datasets for facilities that also report to theCanadian Nuclear Safety Commission (CNSC) on radionuclides
Use our National Pollutant Release Inventory Dashboard for reviewed 2014 to 2023 data, and preliminary 2024 data. Search by pollutant, facility, location, sector, or substance, and view NPRI data in both visual and table formats. The dashboard also includes a summary of pollution prevention activities reported by facilities.
Download NPRI data
These easy-to-use files let you dig deeper into the data in a variety of ways:
- Single year tables
- annual tables of our most popular data fields. One table for each of the last 5 years
- Ten year summaries
- summaries by air, water or land releases grouped by province, industry type or substance
- All years datasets
- annual data since 1994 on pollutant quantities, comments and geolocations
- Complete reported datasets
- full datasets going back to 1994
View NPRI maps
All maps are for the latest data available.
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