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IDEM > Reporting > Emissions Reporting > Emissions Summary Data Emissions Summary Data

The emissions reporting rule, 326 IAC 2-6, requires air emission sources over emission thresholds* to report their actual emissions of certain pollutants to the department annually or triennially. The information is used for a variety of purposes including planning, trends analysis, modeling, and billing.

The list below provides links to the emissions information the state as a whole. Each page contains the facility's name, plant ID and reported criteria pollutant emissions. The criteria pollutants are Volatile Organic Compounds (VOC), Carbon Monoxide (CO), Nitrogen Oxides (NO2), Sulfur Dioxide (SO2), and Particulate Matter less than 10 microns in diameter (PM10). If you have any questions regarding emissions reporting contact air emissions statement staff.

Please Note: All emissions are in tons per year.

State Total Emissions:

* 326 IAC 2-6 requires the following to report:

  1. any source located in Lake or Porter Counties that actually emits 25 tons or more of VOC or NOx report every year they meet that threshold,
  2. any Part 70 (a.k.a. Title V) Permit applicable source that has the potential to emit any of the following pollutants at or above these levels;
    • Pollutant: Emissions (Tons per year)
    • CO: 2,500
    • Lead: 5
    • NOx: 2,500
    • PM10: 250
    • SO2: 2,500
    • VOC: 250
  3. any other Part 70 (a.k.a. Title V) Permit applicable source must report once every three years based upon the reporting schedule found in the rule.

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