Welcome to Environment Canada's National Pollutant Release Inventory.

The National Pollutant Release Inventory (NPRI) is the only legislated, nation-wide, publicly-accessible inventory of its type in Canada. It is a database of information on annual releases to air, water, land and disposal or recycling from all sectors - industrial, government, commercial and others.

What's New!

• 2006 Workshop Registration

• NPRI 2005: Are you required to report? Brochure now available

• 2003 NPRI Data Update

• Information from the June 2005 meeting of the NPRI Multi-Stakeholder Work Group (WG) on Substances is now available

• The 2004 preliminary unreviewed NPRI data is now available on the NPRI Online Data Search

• The 2005 Canada Gazette notice and the 2004 Canada Gazette Notice Amendment are now available