EPA Air · stack tests by county and year
Air-emissions stack tests in Rockingham County, New Hampshire, 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 Rockingham County, New Hampshire 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 Rockingham County facility page.
Rockingham County, New Hampshire, 2025
Air-emissions stack tests in Rockingham County, other years
Air-emissions stack tests recorded in Rockingham County, New Hampshire, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-09-17 | AJ NONWOVENS-HAMPTON, LLC | Pass | State |
| 2025-08-12 | NEWINGTON ENERGY | Pass | State |
| 2025-08-12 | NEWINGTON ENERGY | Pass | State |
| 2025-06-26 | SCHILLER STATION COMBUSTION TURBINE | Pass | State |
| 2025-06-18 | GRANITE RIDGE ENERGY, LLC | Pass | State |
| 2025-06-17 | GRANITE RIDGE ENERGY, LLC | Pass | State |
| 2025-05-13 | GEORGIA-PACIFIC GYPSUM LLC | Pass | State |
| 2025-05-13 | GEORGIA-PACIFIC GYPSUM LLC | Pass | State |
| 2025-05-13 | GEORGIA-PACIFIC GYPSUM LLC | Pass | State |
| 2025-05-07 | LINDT & SPRUNGLI (USA) INC. | Pass | State |
| 2025-04-02 | NEXTERA ENERGY SEABROOK, LLC | Pass | State |
| 2025-04-02 | NEXTERA ENERGY SEABROOK, LLC | Pass | State |
| 2025-03-06 | GSP NEWINGTON LLC | Pass | State |
| 2025-03-06 | GSP NEWINGTON 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 stack tests for Clean Air Act facilities in the EPA air register in Rockingham county, NH, for 2025. It lists 14 stack tests recorded in 2025.