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.
What this page shows
This page covers Clean Air Act facilities in the EPA air register with stack tests in York county, SC, for 2025. Stack tests recorded in 2025: 14.