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.
What this page shows
This page covers Clean Air Act facilities in the EPA air register with stack tests in Cumberland county, ME, for 2025. It lists 18 stack tests recorded in 2025.