EPA Air · violations by state, industry and year
Chemical manufacturing (NAICS 3259): violations in Illinois, 2026
- 6Violations
A high-priority violation is the most serious class of Clean Air Act non-compliance an agency records against a source; a federally reportable violation is the next step down in severity. Each row is one violation recorded during 2026 at a Illinois source whose primary industry code is NAICS 3259. A facility filing more than one industry code is counted under the first one on its record.
Chemical manufacturing (NAICS 3259) in Illinois, other years
Other industries in Illinois, 2026
- Fabricated metal product manufacturing (NAICS 3328) 6
- Plastics and rubber products manufacturing (NAICS 3261) 6
- Primary metal manufacturing (NAICS 3315) 5
- Printing and related support (NAICS 3231) 5
- Petroleum and coal products manufacturing (NAICS 3241) 5
- Hospitals (NAICS 6221) 5
- Utilities (NAICS 2213) 4
- Merchant wholesalers, nondurable goods (NAICS 4245) 4
- Chemical manufacturing (NAICS 3251) 3
- Mining and quarrying (NAICS 2123) 3
- Transportation equipment manufacturing (NAICS 3363) 3
High-priority air violations recorded in Illinois, 2026
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2026-06-25 | NALCO CO LLC — high-priority violation on file | NAPERVILLE, DuPage, IL | Earliest FRV determination | State |
| 2026-06-15 | SUN CHEMICAL CORP — high-priority violation on file | NORTHLAKE, Cook, IL | Earliest FRV determination | State |
| 2026-06-15 | SUN CHEMICAL CORP — high-priority violation on file | ST CHARLES, Kane, IL | Earliest FRV determination | State |
| 2026-06-15 | SUN CHEMICAL CORP — high-priority violation on file | KANKAKEE, Kankakee, IL | Earliest FRV determination | State |
| 2026-04-15 | GREEN PLAINS MADISON — high-priority violation on file | MADISON, Madison, IL | Earliest FRV determination | State |
| 2026-03-08 | AFTON CHEMICAL CORP — high-priority violation on file | SAUGET, St. Clair, IL | Earliest FRV determination | State |
Primary NAICS code as filed on the facility record; dates as filed by the agency that recorded the violation. Figures from EPA’s ICIS-AIR download.