EPA Air · stack tests by county and year
Air-emissions stack tests in Somerset County, Maine, 2025
- 23Stack 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 Somerset 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 Somerset County facility page.
Somerset County, Maine, 2025
- Inspections 30
Air-emissions stack tests in Somerset County, other years
Air-emissions stack tests recorded in Somerset County, Maine, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-12-30 | SAPPI NORTH AMERICA, INC. | Pass | State |
| 2025-12-15 | WASTE MANAGEMENT DISPOSAL SERVICES OF MAINE, INC. — high-priority violation on file | Pass | State |
| 2025-12-15 | WASTE MANAGEMENT DISPOSAL SERVICES OF MAINE, INC. — high-priority violation on file | Pass | State |
| 2025-12-15 | WASTE MANAGEMENT DISPOSAL SERVICES OF MAINE, INC. — high-priority violation on file | Pass | State |
| 2025-12-12 | SAPPI NORTH AMERICA, INC. | Pass | State |
| 2025-12-10 | SAPPI NORTH AMERICA, INC. | Pass | State |
| 2025-12-09 | SAPPI NORTH AMERICA, INC. | Pass | State |
| 2025-12-09 | SAPPI NORTH AMERICA, INC. | Pass | State |
| 2025-11-04 | SAPPI NORTH AMERICA, INC. | Pass | State |
| 2025-10-23 | BACKYARD FARMS, LLC | Pass | State |
| 2025-09-16 | WASTE MANAGEMENT DISPOSAL SERVICES OF MAINE, INC. — high-priority violation on file | Pass | State |
| 2025-09-16 | WASTE MANAGEMENT DISPOSAL SERVICES OF MAINE, INC. — high-priority violation on file | Pass | State |
| 2025-08-07 | MAINE WOODS PELLET COMPANY, LLC | Pass | State |
| 2025-06-13 | SAPPI NORTH AMERICA, INC. | Pass | State |
| 2025-06-10 | WASTE MANAGEMENT DISPOSAL SERVICES OF MAINE, INC. — high-priority violation on file | Pass | State |
| 2025-06-10 | WASTE MANAGEMENT DISPOSAL SERVICES OF MAINE, INC. — high-priority violation on file | Pass | State |
| 2025-06-05 | SAPPI NORTH AMERICA, INC. | Pass | State |
| 2025-06-03 | SAPPI NORTH AMERICA, INC. | Pass | State |
| 2025-05-20 | SAPPI NORTH AMERICA, INC. | Pass | State |
| 2025-04-16 | TIMBERHP MADISON, LLC | Pass | State |
| 2025-03-17 | WASTE MANAGEMENT DISPOSAL SERVICES OF MAINE, INC. — high-priority violation on file | Pass | State |
| 2025-03-17 | WASTE MANAGEMENT DISPOSAL SERVICES OF MAINE, INC. — high-priority violation on file | Pass | State |
| 2025-01-14 | TIMBERHP MADISON, LLC | Fail | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.