Basics of TRI Reporting
Every year, TRI data are submitted by certain industrial facilities and made available to the public; an overview of this process and the TRI reporting criteria are provided below. Please note that the reporting criteria are described in general terms, and that more specific guidance is available in the TRI Reporting Forms and Instructions document.
Annual Data Collection Cycle
To learn more about the annual data collection cycle, click on one of the time periods below:
- January-June Facilities Prepare and Submit Forms
- July 1 TRI Forms Due to EPA
- Deadline for facilities that meet TRI reporting requirements to submit TRI forms for toxic chemical management that occurred during the previous calendar year.
- July TRI Preliminary Dataset Available
- The preliminary dataset for the recently-concluded reporting year is available in downloadable files on the TRI website and in Envirofacts.
- July - October Ongoing Data Processing and Analysis
- The preliminary dataset is updated as additional reporting forms are processed.
- EPA begins conducting its analysis of the most recent TRI data, which will be published in the TRI National Analysis.
- December / January TRI National Analysis Available
- EPA releases the TRI National Analysis, an in-depth report on the previous calendar year's TRI data.
- The TRI Program conducts data quality checks and provides analytical support for enforcement efforts led by EPA's Office of Enforcement and Compliance Assurance (OECA).
- Preparations continue for the next TRI reporting cycle.
If a facility meets all three of the criteria below, it must report to the TRI Program:
Method of Reporting
Facilities submit TRI reporting forms using TRI-MEweb, EPA's online TRI reporting application.