EPA Air · stack tests by state, industry and year
Oil and gas extraction (NAICS 2111): stack tests in Illinois, 2026
- 4Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row is one stack test recorded during 2026 at a Illinois source whose primary industry code is NAICS 2111. A facility filing more than one industry code is counted under the first one on its record.
Other industries in Illinois, 2026
- Utilities (NAICS 2211) 37
- Mining and quarrying (NAICS 2121) 29
- Mining and quarrying (NAICS 2123) 25
- Food manufacturing (NAICS 3112) 14
- Petroleum and coal products manufacturing (NAICS 3241) 11
- Electrical equipment and appliance manufacturing (NAICS 3359) 10
- Pipeline transportation (NAICS 4862) 8
- Primary metal manufacturing (NAICS 3315) 5
- Waste management and remediation (NAICS 5622) 5
- Nonmetallic mineral product manufacturing (NAICS 3273) 5
- Hospitals (NAICS 6221) 4
- Utilities (NAICS 2212) 3
Air-emissions stack tests recorded in Illinois, 2026
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2026-06-04 | CORINTH TREATING PLANT | THOMPSONVILLE, Williamson, IL | Pending | State |
| 2026-06-04 | CORINTH TREATING PLANT | THOMPSONVILLE, Williamson, IL | Pending | State |
| 2026-06-04 | CORINTH TREATING PLANT | THOMPSONVILLE, Williamson, IL | Pass | State |
| 2026-06-04 | CORINTH TREATING PLANT | THOMPSONVILLE, Williamson, IL | Pass | State |
Primary NAICS code as filed on the facility record; dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.