The National Emissions Inventory (NEI) is a comprehensive and detailed estimate of air emissions of criteria pollutants, criteria precursors, and hazardous air pollutants from air emissions sources. The NEI is released every three years based primarily upon data provided by State, Local, and Tribal air agencies for sources in their jurisdictions and supplemented by data developed by the US EPA. The NEI is built using the Emissions Inventory System (EIS) first to collect the data from State, Local, and Tribal air agencies and then to blend that data with other data sources.  More information can be found:  https://www.epa.gov/air-emissions-inventories/national-emissions-inventory-nei

Summaries of annual emissions from all Oklahoma permitted facilities are available to be downloaded as excel spreadsheets. These reports are provided as a basic informational resource for the general public.

Facilities registered under a Permit By Rule (PBR) are not required to report emissions inventories every year. If a facility registered under a PBR did not report in a year that they are not required to, the prior reported emission amounts are displayed in that year’s data. The year the emissions were reported is shown in the column: Year_Emissions_Reported.

For questions or to request specific emissions data, please contact us.

• 2017 Reported Emissions Data – updated June 26, 2019
• 2016 Reported Emissions Data – updated December 27, 2018
• 2015 Reported Emissions Data – updated December 27, 2018
• 2014 Reported Emissions Data – updated December 27, 2018
• 2013 Reported Emissions Data – updated December 27, 2018

The Emissions Inventory section is currently developing infographics based on state and national emissions inventory data.

The Emissions Inventory section is currently developing infographics based on state and national emissions inventory data.

Visit our Oil & Gas Sector page for more information.