EPA Air · stack tests by county and year
Air-emissions stack tests in Rowan County, North Carolina, 2025
- 4Stack 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 Rowan County, North 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 Rowan County facility page.
Rowan County, North Carolina, 2025
Air-emissions stack tests in Rowan County, other years
Air-emissions stack tests recorded in Rowan County, North Carolina, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-12-19 | MARTIN MARIETTA MATERIALS, INC. - KANNAPOLIS QUARRY | Pass | State |
| 2025-10-14 | CAROLINA STALITE COMPANY | Pending | State |
| 2025-08-12 | DUKE ENERGY CAROLINAS, LLC - BUCK COMBINED CYCLE FACILITY | Pass | State |
| 2025-04-04 | TAR HEEL MATERIALS & HANDLING, LLC (ACI) | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.