EPA Air · stack tests by county and year
Air-emissions stack tests in Johnston County, North Carolina, 2025
- 8Stack 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 Johnston 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 Johnston County facility page.
Johnston County, North Carolina, 2025
Air-emissions stack tests in Johnston County, other years
Air-emissions stack tests recorded in Johnston County, North Carolina, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-11-13 | CII METHANE MANAGEMENT IV, LLC | Pass | State |
| 2025-10-15 | JOHNSTON COUNTY LANDFILL | Pending | State |
| 2025-09-25 | CII METHANE MANAGEMENT IV, LLC | Pending | State |
| 2025-09-20 | LAMPE & MALPHRUS LUMBER COMPANY | Pass | State |
| 2025-09-09 | LAMPE & MALPHRUS LUMBER COMPANY | Pass | State |
| 2025-04-17 | BARNHILL CONTRACTING COMPANY - PRINCETON | Pass | State |
| 2025-03-11 | BENTONVILLE LNG FACILITY | Pass | State |
| 2025-02-19 | BUCKEYE SE TERMINALS, LP - SELMA TERMINAL | Pending | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.