EPA Air · stack tests by state, industry and year
Utilities (NAICS 2211): stack tests in Idaho, 2025
- 4Stack 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 Idaho 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 Idaho, other years
Other industries in Idaho, 2025
- Mining and quarrying (NAICS 2123) 52
- Paper manufacturing (NAICS 3221) 13
- Chemical manufacturing (NAICS 3253) 13
- Petroleum and coal products manufacturing (NAICS 3241) 7
- Wood product manufacturing (NAICS 3219) 3
- Chemical manufacturing (NAICS 3251) 3
Air-emissions stack tests recorded in Idaho, 2025
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2025-12-09 | WEST POINT RNG LLC | WENDELL, Gooding, ID | Pass | State |
| 2025-09-24 | KOOTENAI RENEWABLE ENERGY LLC - FIGHTING CREEK | COEUR D'ALENE, Kootenai, ID | Pass | State |
| 2025-07-30 | RATHDRUM POWER LLC | RATHDRUM, Kootenai, ID | Pass | State |
| 2025-07-18 | IDAHO POWER CO - EVANDER ANDREWS COMPLEX | MOUNTAIN HOME, Elmore, ID | 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.