EPA Air · stack tests by state, industry and year
Chemical manufacturing (NAICS 3251): stack tests in Idaho, 2025
- 3Stack 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 3251. A facility filing more than one industry code is counted under the first one on its record.
Chemical manufacturing (NAICS 3251) 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
- Utilities (NAICS 2211) 4
- Wood product manufacturing (NAICS 3219) 3
Air-emissions stack tests recorded in Idaho, 2025
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2025-09-24 | CEA DAIRY RNG IDAHO LLC - MURTAUGH | MURTAUGH, Twin Falls, ID | Pass | State |
| 2025-07-16 | RUVEON - SODA SPRINGS PLANT (TV FACILITY) | SODA SPRINGS, Caribou, ID | Pass | State |
| 2025-05-21 | RUVEON - SODA SPRINGS PLANT (TV FACILITY) | SODA SPRINGS, Caribou, 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.