As of January 1, 2023, the DNR is mandating the use of the State and Local Emissions Inventory System (SLEIS) for emissions inventory submittals. This will serve to simplify the submittal process and ensure an accurate emissions inventory report. For more details on how to access SLEIS or to learn about free training opportunities, click on the “E-File via eAirServices” link below.
General emissions inventory instructions as well as SLEIS user interface screenshots and instructions are listed below. Please also refer to the links to example calculations and forms.
SLEIS Module-Specific Instructions
Please direct any questions to: