EPA Air · stack tests by state, industry and year
NAICS 9999: stack tests in Utah, 2026
- 7Stack 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 2026 at a Utah source whose primary industry code is NAICS 9999. A facility filing more than one industry code is counted under the first one on its record.
NAICS 9999 in Utah, other years
Other industries in Utah, 2026
- Oil and gas extraction (NAICS 2111) 17
- Petroleum and coal products manufacturing (NAICS 3241) 10
- Educational services (NAICS 6113) 5
- Waste management and remediation (NAICS 5622) 3
- Plastics and rubber products manufacturing (NAICS 3262) 3
- Nonmetallic mineral product manufacturing (NAICS 3273) 3
Air-emissions stack tests recorded in Utah, 2026
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2026-07-10 | AMRIZE SOUTHWEST INC.- ROCKPORT AGGREGATE FACILITY/FORMERLY UTELITE | UTAH, Undetermined, UT | Pass | State |
| 2026-05-27 | HEBER LIGHT AND POWER COMPANY | HEBER CITY, Wasatch, UT | Pass | State |
| 2026-04-23 | PACIFICORP HUNTINGTON | HUNTINGTON, Emery, UT | Pass | State |
| 2026-03-25 | PACIFICORP HUNTINGTON | HUNTINGTON, Emery, UT | Pass | State |
| 2026-03-24 | PACIFICORP HUNTINGTON | HUNTINGTON, Emery, UT | Pass | State |
| 2026-02-04 | PACIFICORP CURRANT CREEK POWER PLANT | MONA, Juab, UT | Pass | State |
| 2026-02-03 | PACIFICORP CURRANT CREEK POWER PLANT | MONA, Juab, 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.