EPA Air · violations by county and year
High-priority air violations in New Castle County, Delaware, 2025
- 14Violations
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 below is one violation recorded against a source in New Castle County, Delaware during 2025. A facility can appear several times: this is the year’s record of what happened, not a list of places. The sources themselves are on the New Castle County facility page.
New Castle County, Delaware, 2025
- Inspections 266
- Stack tests 163
High-priority air violations in New Castle County, other years
High-priority air violations recorded in New Castle County, Delaware, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-12-17 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | Earliest FRV determination | State |
| 2025-10-24 | CRODA, INC — high-priority violation on file | Earliest FRV determination | State |
| 2025-09-25 | NORAMCO INC | Earliest FRV determination | State |
| 2025-08-20 | MICROPORE, INC | Earliest FRV determination | State |
| 2025-08-06 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | Earliest FRV determination | State |
| 2025-08-06 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | HPV day-zero determination | State |
| 2025-08-06 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | Earliest FRV determination | State |
| 2025-04-16 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | Earliest FRV determination | State |
| 2025-03-04 | INTERNATIONAL N&H USA, INC. | Earliest FRV determination | State |
| 2025-02-24 | EASTERN SHORE NATURAL GAS-DELAWARE CITY | Earliest FRV determination | State |
| 2025-02-21 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | Earliest FRV determination | State |
| 2025-02-04 | BUCKEYE TERMINALS | Earliest FRV determination | State |
| 2025-01-13 | CRODA, INC — high-priority violation on file | Earliest FRV determination | State |
| 2025-01-02 | ENSTRUCTURE WILMINGTON HOLDINGS LLC — high-priority violation on file | Earliest FRV determination | State |
Dates as filed by the agency that recorded the violation. Figures from EPA’s ICIS-AIR download.