EPA Air · stack tests by state, industry and year
Utilities (NAICS 2211): stack tests in Oklahoma, 2025
- 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 2025 at a Oklahoma 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 Oklahoma, other years
Other industries in Oklahoma, 2025
- Oil and gas extraction (NAICS 2111) 1,089
- Pipeline transportation (NAICS 4862) 112
- Petroleum and coal products manufacturing (NAICS 3241) 10
- Mining and quarrying (NAICS 2123) 5
Air-emissions stack tests recorded in Oklahoma, 2025
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2025-11-06 | GRAND RIVER DAM AUTHORITY / GRAND RIVER ENERGY CENTER — high-priority violation on file | CHOUTEAU, Mayes, OK | Pass | State |
| 2025-05-22 | PEOPLES ELECTRIC COOP / CENTRAHOMA — high-priority violation on file | CENTRAHOMA, Coal, OK | Pass | State |
| 2025-05-21 | GRAND RIVER DAM AUTHORITY / GRAND RIVER ENERGY CENTER — high-priority violation on file | CHOUTEAU, Mayes, OK | Pass | State |
| 2025-05-20 | GRAND RIVER DAM AUTHORITY / GRAND RIVER ENERGY CENTER — high-priority violation on file | CHOUTEAU, Mayes, OK | Pass | State |
| 2025-03-19 | PEOPLES ELECTRIC COOP / CENTRAHOMA — high-priority violation on file | CENTRAHOMA, Coal, OK | Pass | State |
| 2025-03-19 | PEOPLES ELECTRIC COOP / TARGA — high-priority violation on file | CENTRAHOMA, Coal, OK | Pass | State |
| 2025-01-23 | PEOPLES ELECTRIC COOP / CENTRAHOMA — high-priority violation on file | CENTRAHOMA, Coal, OK | 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.