About the NPI

Contact us, comments and queries

The NPI has units in each state and territory as well as the Commonwealth.

• NPI contact details

In order to maintain this web site at the highest possible level and to keep providing the information you want, we would like your feedback.

Please note data is updated on a regular basis, see Data changes notification page for information on recent corrections/additions to NPI data.

Common questions:

• Why isn't a particular facility on the NPI?
• Why isn't a particular pollutant recorded?
• Other FAQs

Please Note: We will only record your email address if you send us a message. It will only be used for the purpose for which you have provided it and will not be added to a mailing list. We will not use your email address for any other purpose, and will not disclose it, without your consent.