EPA Air · stack tests by county and year
Air-emissions stack tests in Waldo 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 Waldo 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 Waldo County facility page.
Waldo County, Maine, 2025
- Inspections 10
Air-emissions stack tests in Waldo County, other years
Air-emissions stack tests recorded in Waldo County, Maine, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-11-14 | SPRAGUE OPERATING RESOURCES LLC | Pass | State |
| 2025-10-14 | ROBBINS LUMBER, INC. | Pass | State |
| 2025-10-08 | SPRAGUE OPERATING RESOURCES LLC | Pass | State |
| 2025-10-07 | SPRAGUE OPERATING RESOURCES LLC | Pass | State |
| 2025-06-11 | IRVING OIL TERMINALS INC. | Pass | State |
| 2025-04-08 | SPRAGUE OPERATING RESOURCES LLC | Pass | State |
| 2025-02-04 | 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.