EPA Air · stack tests by county and year
Air-emissions stack tests in York County, South Carolina, 2025
- 14Stack 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 York County, South Carolina 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 York County facility page.
York County, South Carolina, 2025
Air-emissions stack tests in York County, other years
Air-emissions stack tests recorded in York County, South Carolina, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-12-16 | THERMAL KEM GENERATING FACILITY | Pass | State |
| 2025-11-18 | SEDIVER GENERATING FACILITY | Pass | State |
| 2025-10-23 | NEW-INDY CATAWBA LLC | Pass | State |
| 2025-10-22 | NEW-INDY CATAWBA LLC | Pass | State |
| 2025-09-12 | HONEYWELL SAFETY PRODUCTS — high-priority violation on file | Fail | State |
| 2025-08-26 | KING ASPHALT INC - ROCK HILL | Pass | State |
| 2025-08-14 | NEW-INDY CATAWBA LLC | Pass | State |
| 2025-06-12 | NEW-INDY CATAWBA LLC | Pass | State |
| 2025-05-06 | KING ASPHALT, INC. - MCCONNELLS | Pass | State |
| 2025-04-03 | NEW-INDY CATAWBA LLC | Pass | State |
| 2025-04-01 | HEIDELBERG MATERIALS SOUTHEAST AGG LLC - LOWRYS QUARRY | Pass | State |
| 2025-02-27 | CYTEC ENGINEERED MATERIALS INC | Pass | State |
| 2025-02-20 | NEW-INDY CATAWBA LLC | Pass | State |
| 2025-02-13 | NEW-INDY CATAWBA LLC | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.