EPA Air · violations by state, industry and year
Primary metal manufacturing (NAICS 3311): violations in Indiana, 2025
- 35Violations
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 2025 at a Indiana source whose primary industry code is NAICS 3311. A facility filing more than one industry code is counted under the first one on its record.
Primary metal manufacturing (NAICS 3311) in Indiana, other years
Other industries in Indiana, 2025
- Primary metal manufacturing (NAICS 3315) 27
- Transportation equipment manufacturing (NAICS 3362) 27
- Plastics and rubber products manufacturing (NAICS 3261) 25
- Food manufacturing (NAICS 3112) 20
- Petroleum and coal products manufacturing (NAICS 3241) 17
- Chemical manufacturing (NAICS 3251) 15
- Utilities (NAICS 2211) 13
- Primary metal manufacturing (NAICS 3313) 13
- Transportation equipment manufacturing (NAICS 3363) 10
- Chemical manufacturing (NAICS 3254) 8
- Chemical manufacturing (NAICS 3255) 7
- Chemical manufacturing (NAICS 3259) 6
- Plastics and rubber products manufacturing (NAICS 3262) 6
- Food manufacturing (NAICS 3118) 6
- Nonmetallic mineral product manufacturing (NAICS 3272) 6
- Furniture and related product manufacturing (NAICS 3371) 6
- Fabricated metal product manufacturing (NAICS 3328) 5
- Mining and quarrying (NAICS 2123) 5
- Fabricated metal product manufacturing (NAICS 3329) 5
- Food manufacturing (NAICS 3111) 5
- Nonmetallic mineral product manufacturing (NAICS 3273) 5
- Miscellaneous manufacturing (NAICS 3399) 5
- Waste management and remediation (NAICS 5622) 5
- Wood product manufacturing (NAICS 3219) 5
- Nonmetallic mineral product manufacturing (NAICS 3274) 4
- Fabricated metal product manufacturing (NAICS 3321) 4
- Electrical equipment and appliance manufacturing (NAICS 3359) 4
- Merchant wholesalers, durable goods (NAICS 4239) 4
- Paper manufacturing (NAICS 3222) 4
- Nonmetallic mineral product manufacturing (NAICS 3279) 4
- Printing and related support (NAICS 3231) 4
- Merchant wholesalers, durable goods (NAICS 4233) 4
- Hospitals (NAICS 6221) 3
- Fabricated metal product manufacturing (NAICS 3324) 3
- Food manufacturing (NAICS 3119) 3
- Fabricated metal product manufacturing (NAICS 3323) 3
- Primary metal manufacturing (NAICS 3314) 3
- Merchant wholesalers, nondurable goods (NAICS 4247) 3
- Furniture and related product manufacturing (NAICS 3372) 3
High-priority air violations recorded in Indiana, 2025
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2025-12-10 | NLMK INDIANA — high-priority violation on file | PORTAGE, Porter, IN | HPV day-zero determination | State |
| 2025-11-25 | US STEEL CORPORATION GARY WORKS — high-priority violation on file | GARY, Lake, IN | HPV day-zero determination | State |
| 2025-10-30 | STEEL DYNAMICS, INC. FLAT ROLL GROUP, BUTLER DIVISION — high-priority violation on file | BUTLER, DeKalb, IN | Earliest FRV determination | State |
| 2025-10-30 | CLEVELAND-CLIFFS BURNS HARBOR LLC — high-priority violation on file | BURNS HARBOR, Porter, IN | Earliest FRV determination | State |
| 2025-10-10 | CLEVELAND-CLIFFS STEEL LLC — high-priority violation on file | EAST CHICAGO, Lake, IN | Earliest FRV determination | State |
| 2025-09-11 | NLMK INDIANA — high-priority violation on file | PORTAGE, Porter, IN | Earliest FRV determination | State |
| 2025-09-01 | NUCOR STEEL — high-priority violation on file | CRAWFORDSVILLE, Montgomery, IN | HPV day-zero determination | State |
| 2025-08-27 | US STEEL CORPORATION GARY WORKS — high-priority violation on file | GARY, Lake, IN | Earliest FRV determination | State |
| 2025-08-18 | NLMK INDIANA — high-priority violation on file | PORTAGE, Porter, IN | Earliest FRV determination | State |
| 2025-08-18 | NLMK INDIANA — high-priority violation on file | PORTAGE, Porter, IN | Earliest FRV determination | State |
| 2025-08-14 | SOUTH SHORE SLAG LLC CONTRACTOR OF US STEEL CORPORATION GARY | GARY, Lake, IN | Earliest FRV determination | State |
| 2025-08-04 | CLEVELAND CLIFFS NEW CARLISLE LLC — high-priority violation on file | NEW CARLISLE, St. Joseph, IN | Earliest FRV determination | State |
| 2025-07-30 | CLEVELAND-CLIFFS BURNS HARBOR LLC — high-priority violation on file | BURNS HARBOR, Porter, IN | Earliest FRV determination | State |
| 2025-07-30 | INDIANA HARBOR COKE COMPANY LP CONTRACTOR OF CLEVELAND-CLIFF — high-priority violation on file | EAST CHICAGO, Lake, IN | Earliest FRV determination | State |
| 2025-07-30 | CLEVELAND-CLIFFS STEEL LLC | EAST CHICAGO, Lake, IN | Earliest FRV determination | State |
| 2025-07-29 | CLEVELAND-CLIFFS BURNS HARBOR LLC — high-priority violation on file | BURNS HARBOR, Porter, IN | HPV day-zero determination | State |
| 2025-07-29 | CLEVELAND-CLIFFS STEEL LLC — high-priority violation on file | EAST CHICAGO, Lake, IN | Earliest FRV determination | State |
| 2025-06-19 | NLMK INDIANA — high-priority violation on file | PORTAGE, Porter, IN | Earliest FRV determination | State |
| 2025-06-11 | NUCOR STEEL — high-priority violation on file | CRAWFORDSVILLE, Montgomery, IN | Earliest FRV determination | State |
| 2025-06-10 | NUCOR STEEL — high-priority violation on file | CRAWFORDSVILLE, Montgomery, IN | Earliest FRV determination | State |
| 2025-06-03 | NUCOR STEEL — high-priority violation on file | CRAWFORDSVILLE, Montgomery, IN | Earliest FRV determination | State |
| 2025-05-30 | NUCOR STEEL — high-priority violation on file | CRAWFORDSVILLE, Montgomery, IN | Earliest FRV determination | State |
| 2025-04-30 | CLEVELAND-CLIFFS BURNS HARBOR LLC — high-priority violation on file | BURNS HARBOR, Porter, IN | Earliest FRV determination | State |
| 2025-04-30 | INDIANA HARBOR COKE COMPANY LP CONTRACTOR OF CLEVELAND-CLIFF — high-priority violation on file | EAST CHICAGO, Lake, IN | Earliest FRV determination | State |
| 2025-04-30 | STEEL DYNAMICS, INC. FLAT ROLL GROUP, BUTLER DIVISION — high-priority violation on file | BUTLER, DeKalb, IN | Earliest FRV determination | State |
| 2025-04-29 | CLEVELAND-CLIFFS STEEL LLC | EAST CHICAGO, Lake, IN | Earliest FRV determination | State |
| 2025-04-29 | CLEVELAND-CLIFFS STEEL LLC — high-priority violation on file | EAST CHICAGO, Lake, IN | Earliest FRV determination | State |
| 2025-02-27 | STEEL DYNAMICS, INC. FLAT ROLL GROUP, BUTLER DIVISION — high-priority violation on file | BUTLER, DeKalb, IN | Earliest FRV determination | State |
| 2025-02-24 | PHOENIX GLOBAL BURNS HARBOR LLC CONTRACTOR OF CLEVELAND CLIF — high-priority violation on file | BURNS HARBOR, Porter, IN | Earliest FRV determination | State |
| 2025-01-30 | CLEVELAND-CLIFFS BURNS HARBOR LLC — high-priority violation on file | BURNS HARBOR, Porter, IN | Earliest FRV determination | State |
| 2025-01-30 | CLEVELAND-CLIFFS STEEL LLC — high-priority violation on file | EAST CHICAGO, Lake, IN | Earliest FRV determination | State |
| 2025-01-30 | CLEVELAND-CLIFFS STEEL LLC — high-priority violation on file | EAST CHICAGO, Lake, IN | HPV day-zero determination | State |
| 2025-01-30 | CLEVELAND-CLIFFS STEEL LLC | EAST CHICAGO, Lake, IN | Earliest FRV determination | State |
| 2025-01-30 | INDIANA HARBOR COKE COMPANY LP CONTRACTOR OF CLEVELAND-CLIFF — high-priority violation on file | EAST CHICAGO, Lake, IN | Earliest FRV determination | State |
| 2025-01-30 | STEEL DYNAMICS INCORPORATED ENGINEERED BAR PRODUCTS DIVISION — high-priority violation on file | PITTSBORO, Hendricks, IN | 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.