EPA Air · stack tests by state, industry and year
Pipeline transportation (NAICS 4862): stack tests in Illinois, 2026
- 8Stack 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 4862. A facility filing more than one industry code is counted under the first one on its record.
Pipeline transportation (NAICS 4862) in Illinois, other years
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
- Primary metal manufacturing (NAICS 3315) 5
- Waste management and remediation (NAICS 5622) 5
- Nonmetallic mineral product manufacturing (NAICS 3273) 5
- Oil and gas extraction (NAICS 2111) 4
- Hospitals (NAICS 6221) 4
- Utilities (NAICS 2212) 3
Air-emissions stack tests recorded in Illinois, 2026
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2026-06-23 | VECTOR PIPELINE | ELWOOD, Will, IL | Pass | State |
| 2026-04-01 | PEOPLES GAS LIGHT & COKE CO | FISHER, Champaign, IL | Pass | State |
| 2026-04-01 | PEOPLES GAS LIGHT & COKE CO | FISHER, Champaign, IL | Pass | State |
| 2026-04-01 | ANR PIPELINE CO | JOLIET, Will, IL | Pass | State |
| 2026-03-31 | PEOPLES GAS LIGHT & COKE CO | FISHER, Champaign, IL | Pass | State |
| 2026-02-19 | NATURAL GAS PIPELINE CO OF AMERICA | HERSCHER, Kankakee, IL | Pass | State |
| 2026-02-18 | NATURAL GAS PIPELINE CO OF AMERICA | HERSCHER, Kankakee, IL | Pass | State |
| 2026-01-13 | GUARDIAN PIPELINE CO | CHANNAHON, Will, 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.