Welcome to the State and Local Emissions Inventory System(SLEIS), a web-based application that allows permitted facilities to compile and submit point source emissions inventory data to the Arizona Department of Environmental Quality (ADEQ). After the emissions inventory data is received, the SLEIS application is used by ADEQ to review and submit the data to the Environmental Protection Agency's (EPA) Emissions Inventory System (EIS).

Please Note:

Minimum browser requirements for SLEIS are Internet Explorer version 9 or later, Chrome or Mozilla Firefox.

Registration and Forms:

Registration for SLEIS requires that you download and complete the provided registration form. After you have completed and signed the form, please make a copy of the form and either email or mail the original to the address indicated on the top of the form. When we receive your registration form, the information will be entered into SLEIS, and you will receive an email with a link to create your initial account password.

For questions about this process, please contact us at SLEIS@azdeq.gov.

Please download, complete, and mail the following form to register for SLEIS:
SLEIS User Application form


Your feedback regarding SLEIS is encouraged. To make an inquiry or suggestion, please click the link below:
Submit general questions and/or comments