EPA Air · stack tests by state, industry and year
Utilities (NAICS 2211): stack tests in Maine, 2025
- 11Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row is one stack test recorded during 2025 at a Maine source whose primary industry code is NAICS 2211. A facility filing more than one industry code is counted under the first one on its record.
Utilities (NAICS 2211) in Maine, other years
Other industries in Maine, 2025
- Paper manufacturing (NAICS 3221) 34
- Merchant wholesalers, nondurable goods (NAICS 4247) 23
- Waste management and remediation (NAICS 5622) 21
- Pipeline transportation (NAICS 4862) 8
- National security and international affairs (NAICS 9281) 7
- Wood product manufacturing (NAICS 3212) 6
- Mining and quarrying (NAICS 2123) 5
- Petroleum and coal products manufacturing (NAICS 3241) 3
Air-emissions stack tests recorded in Maine, 2025
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2025-12-16 | NE RENEWABLE POWER WEST ENFIELD, LLC | WEST ENFIELD, Penobscot, ME | Pass | State |
| 2025-09-18 | FPL ENERGY WYMAN LLC | YARMOUTH, Cumberland, ME | Pass | State |
| 2025-07-25 | BUCKSPORT GENERATION LLC | BUCKSPORT, Hancock, ME | Pass | State |
| 2025-07-24 | WESTBROOK ENERGY CENTER, LLC | WESTBROOK, Cumberland, ME | Pass | State |
| 2025-07-23 | WESTBROOK ENERGY CENTER, LLC | WESTBROOK, Cumberland, ME | Pass | State |
| 2025-07-11 | RUMFORD POWER LLC | RUMFORD, Oxford, ME | Pass | State |
| 2025-06-19 | REGENERATE LIVERMORE FALLS LLC | LIVERMORE FALLS, Androscoggin, ME | Pass | State |
| 2025-06-17 | REGENERATE STRATTON LLC | STRATTON, Franklin, ME | Pass | State |
| 2025-06-11 | CASCO BAY ENERGY COMPANY, LLC | VEAZIE, Penobscot, ME | Pass | State |
| 2025-06-10 | CASCO BAY ENERGY COMPANY, LLC | VEAZIE, Penobscot, ME | Pass | State |
| 2025-03-25 | NE RENEWABLE POWER WEST ENFIELD, LLC | WEST ENFIELD, Penobscot, ME | Pass | State |
Primary NAICS code as filed on the facility record; dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.