EPA Air · stack tests by county and year
Air-emissions stack tests in New Castle County, Delaware, 2025
- 163Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row below is one stack test 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
Air-emissions stack tests in New Castle County, other years
Air-emissions stack tests recorded in New Castle County, Delaware, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-08-12 | CRODA, INC — high-priority violation on file | Pass | State |
| 2025-08-12 | CRODA, INC — high-priority violation on file | Pass | State |
| 2025-08-09 | CRODA, INC — high-priority violation on file | Pass | State |
| 2025-08-09 | CRODA, INC — high-priority violation on file | Pass | State |
| 2025-08-09 | CRODA, INC — high-priority violation on file | Pass | State |
| 2025-08-09 | CRODA, INC — high-priority violation on file | N/A | State |
| 2025-08-09 | CRODA, INC — high-priority violation on file | Pass | State |
| 2025-08-09 | CRODA, INC — high-priority violation on file | Fail | State |
| 2025-08-08 | CRODA, INC — high-priority violation on file | Pass | State |
| 2025-08-08 | CRODA, INC — high-priority violation on file | Pass | State |
| 2025-08-07 | CRODA, INC — high-priority violation on file | Pass | State |
| 2025-08-07 | CRODA, INC — high-priority violation on file | Pass | State |
| 2025-08-07 | CRODA, INC — high-priority violation on file | Pass | State |
| 2025-08-07 | CRODA, INC — high-priority violation on file | Pass | State |
| 2025-08-07 | CRODA, INC — high-priority violation on file | Pass | State |
| 2025-08-07 | CRODA, INC — high-priority violation on file | Pass | State |
| 2025-08-06 | CRODA, INC — high-priority violation on file | Pass | State |
| 2025-08-06 | CRODA, INC — high-priority violation on file | Pass | State |
| 2025-08-06 | CRODA, INC — high-priority violation on file | Pass | State |
| 2025-08-06 | CRODA, INC — high-priority violation on file | Pass | State |
| 2025-08-06 | CRODA, INC — high-priority violation on file | Pass | State |
| 2025-08-06 | CRODA, INC — high-priority violation on file | Pass | State |
| 2025-08-05 | CRODA, INC — high-priority violation on file | Pass | State |
| 2025-08-05 | CRODA, INC — high-priority violation on file | Pass | State |
| 2025-08-05 | CRODA, INC — high-priority violation on file | Pass | State |
| 2025-08-05 | CRODA, INC — high-priority violation on file | Pass | State |
| 2025-08-05 | CRODA, INC — high-priority violation on file | Pass | State |
| 2025-07-24 | UNITED COCOA PROCESSOR, INC. | Fail | State |
| 2025-07-24 | UNITED COCOA PROCESSOR, INC. | N/A | State |
| 2025-07-02 | GARRISON ENERGY CENTER, LLC | Pass | State |
| 2025-07-02 | GARRISON ENERGY CENTER, LLC | Pass | State |
| 2025-07-02 | GARRISON ENERGY CENTER, LLC | Pass | State |
| 2025-07-02 | GARRISON ENERGY CENTER, LLC | Pass | State |
| 2025-07-02 | GARRISON ENERGY CENTER, LLC | Pass | State |
| 2025-07-02 | GARRISON ENERGY CENTER, LLC | Fail | State |
| 2025-07-02 | GARRISON ENERGY CENTER, LLC | Pass | State |
| 2025-07-02 | GARRISON ENERGY CENTER, LLC | Pass | State |
| 2025-06-26 | CITY OF DOVER-VAN SANT GENERATING STA | Pass | State |
| 2025-06-26 | CITY OF DOVER-VAN SANT GENERATING STA | Pass | State |
| 2025-06-26 | CITY OF DOVER-VAN SANT GENERATING STA | Pass | State |
| 2025-06-26 | CITY OF DOVER-VAN SANT GENERATING STA | Pass | State |
| 2025-06-26 | CITY OF DOVER-VAN SANT GENERATING STA | Pass | State |
| 2025-06-26 | CITY OF DOVER-VAN SANT GENERATING STA | Pass | State |
| 2025-06-09 | BUCKEYE TERMINALS | Pass | State |
| 2025-06-09 | BUCKEYE TERMINALS | Pass | State |
| 2025-06-04 | CRODA, INC — high-priority violation on file | Pass | State |
| 2025-05-20 | CONTRACTORS MATERIALS LLC - HEALD STREET | Pass | State |
| 2025-05-20 | CONTRACTORS MATERIALS LLC - HEALD STREET | Pass | State |
| 2025-05-20 | CONTRACTORS MATERIALS LLC - HEALD STREET | Pass | State |
| 2025-05-20 | CONTRACTORS MATERIALS LLC - HEALD STREET | Pass | State |
| 2025-04-17 | CALPINE MID-ATLANTIC GENERATION-CHRISTIANA ENERGY CENTER | Pass | State |
| 2025-03-27 | CRODA, INC — high-priority violation on file | Pass | State |
| 2025-03-27 | CRODA, INC — high-priority violation on file | Pass | State |
| 2025-03-27 | CRODA, INC — high-priority violation on file | Pass | State |
| 2025-03-27 | CRODA, INC — high-priority violation on file | Pass | State |
| 2025-03-26 | CRODA, INC — high-priority violation on file | Pass | State |
| 2025-03-26 | CRODA, INC — high-priority violation on file | Pass | State |
| 2025-03-26 | CRODA, INC — high-priority violation on file | Pass | State |
| 2025-03-26 | CRODA, INC — high-priority violation on file | Pass | State |
| 2025-03-26 | CRODA, INC — high-priority violation on file | Pass | State |
| 2025-01-10 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | Pass | State |
| 2025-01-10 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | Pass | State |
| 2025-01-10 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | Pass | State |
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Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.