EPA Air · stack tests by county and year
Air-emissions stack tests in Hancock County, Maine, 2025
- 7Stack 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 Hancock 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 Hancock County facility page.
Hancock County, Maine, 2025
- Inspections 13
Air-emissions stack tests in Hancock County, other years
Air-emissions stack tests recorded in Hancock County, Maine, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-10-29 | THE JACKSON LABORATORY | Pass | State |
| 2025-07-25 | BUCKSPORT GENERATION LLC | Pass | State |
| 2025-05-22 | PENOBSCOT BAY TERMINALS, INC. D/B/A WEBBER TANKS | Pass | State |
| 2025-02-12 | MARITIMES & NORTHEAST PIPELINE, L.L.C. | Pass | State |
| 2025-02-12 | MARITIMES & NORTHEAST PIPELINE, L.L.C. | Pass | State |
| 2025-02-11 | MARITIMES & NORTHEAST PIPELINE, L.L.C. | Pass | State |
| 2025-02-11 | MARITIMES & NORTHEAST PIPELINE, L.L.C. | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.