EPA Air · stack tests by state, industry and year
Utilities (NAICS 2211): stack tests in Mississippi, 2026
- 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 2026 at a Mississippi 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 Mississippi, other years
Other industries in Mississippi, 2026
- Pipeline transportation (NAICS 4862) 87
- Petroleum and coal products manufacturing (NAICS 3241) 34
- Chemical manufacturing (NAICS 3251) 32
- Primary metal manufacturing (NAICS 3313) 29
- Oil and gas extraction (NAICS 2111) 23
- Paper manufacturing (NAICS 3221) 21
- Utilities (NAICS 2212) 17
- Chemical manufacturing (NAICS 3252) 17
- Mining and quarrying (NAICS 2123) 15
- Warehousing and storage (NAICS 4931) 13
- Space research and technology (NAICS 9271) 10
- Wood product manufacturing (NAICS 3212) 8
- Merchant wholesalers, nondurable goods (NAICS 4245) 6
- Food manufacturing (NAICS 3111) 4
- Merchant wholesalers, nondurable goods (NAICS 4247) 4
- Waste management and remediation (NAICS 5622) 3
Air-emissions stack tests recorded in Mississippi, 2026
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2026-04-29 | COOPERATIVE ENERGY, A MISSISSIPPI ELECTRIC COOPERATIVE, SYLVARENA GENERATING PLA — high-priority violation on file | BAY SPRINGS, Smith, MS | Pass | State |
| 2026-04-28 | COOPERATIVE ENERGY, A MISSISSIPPI ELECTRIC COOPERATIVE, SYLVARENA GENERATING PLA — high-priority violation on file | BAY SPRINGS, Smith, MS | Pass | State |
| 2026-02-10 | COOPERATIVE ENERGY, A MISSISSIPPI ELECTRIC COOPERATIVE, MOSELLE GENERATING PLANT | MOSELLE, Jones, MS | Pass | State |
| 2026-02-10 | COOPERATIVE ENERGY, A MISSISSIPPI ELECTRIC COOPERATIVE, MOSELLE GENERATING PLANT | MOSELLE, Jones, MS | 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.
What this page shows
This page covers Clean Air Act facilities in the EPA air register with stack tests in state MS for NAICS industry 2211 in 2026. It lists 4 stack tests recorded in 2026.