EPA Air · stack tests by state, industry and year
Utilities (NAICS 2211): stack tests in Utah, 2025
- 25Stack 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 Utah 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 Utah, other years
Other industries in Utah, 2025
- Oil and gas extraction (NAICS 2111) 36
- NAICS 9999 31
- Petroleum and coal products manufacturing (NAICS 3241) 23
- Nonmetallic mineral product manufacturing (NAICS 3273) 16
- Utilities (NAICS 2212) 10
- Waste management and remediation (NAICS 5622) 7
- Primary metal manufacturing (NAICS 3314) 6
- Mining and quarrying (NAICS 2123) 6
- Educational services (NAICS 6113) 5
- Primary metal manufacturing (NAICS 3311) 3
Air-emissions stack tests recorded in Utah, 2025
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2025-12-09 | PACIFICORP HUNTER | UTAH, Undetermined, UT | Pass | State |
| 2025-12-09 | PACIFICORP HUNTER | UTAH, Undetermined, UT | Pass | State |
| 2025-12-04 | PACIFICORP HUNTER | UTAH, Undetermined, UT | Pass | State |
| 2025-12-03 | PACIFICORP HUNTER | UTAH, Undetermined, UT | Pass | State |
| 2025-11-20 | INTERMOUNTAIN POWER SERVICE CORPORATION | DELTA, Millard, UT | Pass | State |
| 2025-11-20 | PACIFICORP LAKESIDE (SUMMIT VINEYARD) | VINEYARD, Utah, UT | Pass | State |
| 2025-11-19 | PACIFICORP LAKESIDE (SUMMIT VINEYARD) | VINEYARD, Utah, UT | Pass | State |
| 2025-11-18 | PACIFICORP LAKESIDE (SUMMIT VINEYARD) | VINEYARD, Utah, UT | Pass | State |
| 2025-11-17 | PACIFICORP LAKESIDE (SUMMIT VINEYARD) | VINEYARD, Utah, UT | Pass | State |
| 2025-11-13 | PACIFICORP HUNTER | UTAH, Undetermined, UT | Pass | State |
| 2025-10-22 | PACIFICORP HUNTER | UTAH, Undetermined, UT | Pass | State |
| 2025-10-22 | INTERMOUNTAIN POWER SERVICE CORPORATION | DELTA, Millard, UT | Pass | State |
| 2025-09-26 | INTERMOUNTAIN POWER SERVICE CORPORATION | DELTA, Millard, UT | Pass | State |
| 2025-09-25 | PACIFICORP LAKESIDE (SUMMIT VINEYARD) | VINEYARD, Utah, UT | Pass | State |
| 2025-09-25 | PACIFICORP LAKESIDE (SUMMIT VINEYARD) | VINEYARD, Utah, UT | Pass | State |
| 2025-09-24 | PACIFICORP LAKESIDE (SUMMIT VINEYARD) | VINEYARD, Utah, UT | Pass | State |
| 2025-09-24 | PACIFICORP LAKESIDE (SUMMIT VINEYARD) | VINEYARD, Utah, UT | Pass | State |
| 2025-09-23 | PACIFICORP LAKESIDE (SUMMIT VINEYARD) | VINEYARD, Utah, UT | Pass | State |
| 2025-09-23 | PACIFICORP LAKESIDE (SUMMIT VINEYARD) | VINEYARD, Utah, UT | Pass | State |
| 2025-09-22 | PACIFICORP LAKESIDE (SUMMIT VINEYARD) | VINEYARD, Utah, UT | Pass | State |
| 2025-09-22 | PACIFICORP LAKESIDE (SUMMIT VINEYARD) | VINEYARD, Utah, UT | Pass | State |
| 2025-09-11 | INTERMOUNTAIN POWER SERVICE CORPORATION | DELTA, Millard, UT | Pass | State |
| 2025-08-28 | INTERMOUNTAIN POWER SERVICE CORPORATION | DELTA, Millard, UT | Pass | State |
| 2025-05-28 | SUNNYSIDE COGENERATION | SUNNYSIDE, Carbon, UT | Pass | State |
| 2025-04-18 | ST. GEORGE POWER MILLCREEK/RED ROCK | UTAH, Undetermined, UT | 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.