National Pollutant Release Inventory

Guidance and tools on reporting to the inventory, accessing, analyzing and downloading data.


Reviewed NPRI data is now available up to 2021. You can download the data from our Explore Data page.

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

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