Australian Government Department of Climate Change, Energy, the Environment and WaterGratuit
National Pollutant Inventory
The National Pollutant Inventory (NPI) contains information about toxic substances emitted to the environment and transferred as contained waste. The dataset is updated on or before 31 March each year. Smaller updates may be made at any time. For more information, visit the Department of Climate Change, Energy, the Environment and Water: [NPI pages on www.dcceew.gov.au](https://www.dcceew.gov.au/environment/protection/npi).