The owner or operator of an account or source in the State of Texas or on waters that extend 25 miles from the shoreline meeting one or more of the following conditions shall submit emissions inventories.

• an account which meets the definition of a major facility/stationary source or any account in an ozone nonattainment area emitting a minimum of ten tons per year (tpy) volatile organic compounds (VOC), 25 tpy nitrogen oxides (NOx), or 100 tpy or more of any other contaminant subject to national ambient air quality standards (NAAQS);
• any account that emits or has the potential to emit 100 tpy or more of any contaminant;
• any account which emits or has the potential to emit 10 tons of any single or 25 tons of aggregate hazardous air pollutants as defined in FCAA, §112(a)(1); and
• any minor industrial source, area source, non-road mobile source, or mobile source of emissions subject to special inventories.

For more information or if you have received an Emissions Inventory Request, please contact us or visit the TCEQ Point Source Emissions Inventory page.