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.
What this page shows
This page covers Clean Air Act facilities in the EPA air register with stack tests in Hancock county, ME, in 2025. Stack tests recorded in 2025 for Hancock: 7.