EPA Air · stack tests by county and year
Air-emissions stack tests in Cumberland County, Maine, 2025
- 18Stack 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 Cumberland County, Maine 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 Cumberland County facility page.
Cumberland County, Maine, 2025
- Inspections 66
Air-emissions stack tests in Cumberland County, other years
Air-emissions stack tests recorded in Cumberland County, Maine, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-11-20 | GLOBAL COMPANIES LLC | Pass | State |
| 2025-10-03 | ECO MAINE | Pass | State |
| 2025-09-30 | ECO MAINE | Pass | State |
| 2025-09-18 | FPL ENERGY WYMAN LLC | Pass | State |
| 2025-09-18 | SPRAGUE OPERATING RESOURCES LLC | Pass | State |
| 2025-09-04 | ECO MAINE | Pass | State |
| 2025-09-03 | ECO MAINE | Pass | State |
| 2025-07-24 | WESTBROOK ENERGY CENTER, LLC | Pass | State |
| 2025-07-23 | WESTBROOK ENERGY CENTER, LLC | Pass | State |
| 2025-05-20 | GLOBAL COMPANIES LLC | Pass | State |
| 2025-05-08 | CITGO PETROLEUM CORPORATION | Pass | State |
| 2025-04-02 | SPRAGUE OPERATING RESOURCES LLC | Pass | State |
| 2025-04-02 | SOUTH PORTLAND TERMINAL LLC | Pass | State |
| 2025-04-02 | MARITIMES & NORTHEAST PIPELINE, L.L.C. | Pass | State |
| 2025-03-28 | SPRAGUE OPERATING RESOURCES LLC | Pass | State |
| 2025-03-28 | SPRAGUE OPERATING RESOURCES LLC | Pass | State |
| 2025-03-28 | SHAW BROTHERS CONSTRUCTION, INC. | Pass | State |
| 2025-03-25 | MAINEHEALTH | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.