EPA Air · stack tests by county and year
Air-emissions stack tests in Aroostook County, Maine, 2025
- 6Stack 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 Aroostook 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 Aroostook County facility page.
Aroostook County, Maine, 2025
- Inspections 45
Air-emissions stack tests in Aroostook County, other years
Air-emissions stack tests recorded in Aroostook County, Maine, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-10-23 | SODERBERG COMPANY, INC. | Pass | State |
| 2025-10-07 | HUBER ENGINEERED WOODS LLC | Pass | State |
| 2025-08-20 | LOUISIANA-PACIFIC CORPORATION | Pass | State |
| 2025-07-01 | STEELSTONE INDUSTRIES, INC. | Pass | State |
| 2025-05-28 | STEELSTONE INDUSTRIES, INC. | Fail | State |
| 2025-02-20 | LOUISIANA-PACIFIC CORPORATION | 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 Aroostook county, ME, in 2025. The stack tests recorded in 2025 for this county total 6.