EPA Air · violations by state and year
High-priority air violations in Delaware, 2026
- 4Violations
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. Every violation below was recorded against a source in Delaware during 2026; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in Delaware, 2026
Delaware, other years
High-priority air violations recorded in Delaware, 2026
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2026-06-23 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | HPV day-zero determination | State |
| 2026-05-26 | DANA RAILCARE — high-priority violation on file | WILMINGTON, New Castle, DE | Earliest FRV determination | State |
| 2026-03-05 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Earliest FRV determination | State |
| 2026-01-28 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Earliest FRV determination | State |
Dates as filed by the agency that recorded the violation. Figures from EPA’s ICIS-AIR download.