EPA Air · stack tests by state, industry and year
Utilities (NAICS 2211): stack tests in Washington, 2025
- 21Stack 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 Washington 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 Washington, other years
Other industries in Washington, 2025
- Paper manufacturing (NAICS 3221) 84
- Mining and quarrying (NAICS 2123) 33
- Petroleum and coal products manufacturing (NAICS 3241) 25
- Chemical manufacturing (NAICS 3251) 12
- Pipeline transportation (NAICS 4862) 11
- Wood product manufacturing (NAICS 3211) 10
- Transportation equipment manufacturing (NAICS 3364) 7
- NAICS 9999 6
- Chemical manufacturing (NAICS 3253) 6
- Primary metal manufacturing (NAICS 3311) 5
- Primary metal manufacturing (NAICS 3315) 4
- Primary metal manufacturing (NAICS 3313) 4
- Utilities (NAICS 2213) 3
- Plastics and rubber products manufacturing (NAICS 3261) 3
- Wood product manufacturing (NAICS 3212) 3
Air-emissions stack tests recorded in Washington, 2025
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2025-11-04 | TRANSALTA CENTRALIA GENERATION, LLC — high-priority violation on file | CENTRALIA, Lewis, WA | Pass | Local |
| 2025-10-23 | CAPITAL POWER CORPORATION | TACOMA, Pierce, WA | Pass | Local |
| 2025-10-03 | SIERRA PACIFIC INDUSTRIES - COGENERATION — high-priority violation on file | ABERDEEN, Grays Harbor, WA | Pending | Local |
| 2025-09-23 | CAPITAL POWER CORPORATION | TACOMA, Pierce, WA | Pass | Local |
| 2025-09-23 | CAPITAL POWER CORPORATION | TACOMA, Pierce, WA | Pass | Local |
| 2025-09-23 | CAPITAL POWER CORPORATION | TACOMA, Pierce, WA | Pass | Local |
| 2025-09-23 | CAPITAL POWER CORPORATION | TACOMA, Pierce, WA | Pass | Local |
| 2025-09-16 | TRANSALTA CENTRALIA GENERATION, LLC — high-priority violation on file | CENTRALIA, Lewis, WA | Pass | Local |
| 2025-09-05 | GRAYS HARBOR ENERGY LLC | ELMA, Grays Harbor, WA | Pending | Local |
| 2025-08-14 | PUGET SOUND ENERGY FERNDALE | FERNDALE, Whatcom, WA | Pass | Local |
| 2025-08-14 | PUGET SOUND ENERGY FERNDALE | FERNDALE, Whatcom, WA | Pass | Local |
| 2025-07-30 | TRANSALTA CENTRALIA GENERATION, LLC — high-priority violation on file | CENTRALIA, Lewis, WA | Pass | Local |
| 2025-06-26 | ARCHAEA ENERGY INC DBA. EMERALD CITY RENEWABLES LLC | GRAHAM, Pierce, WA | Pass | Local |
| 2025-05-08 | ROCKY MOUNTAIN POWER - CHEHALIS POWER GENERATING, L.P. | CHEHALIS, Lewis, WA | Pass | Local |
| 2025-05-07 | ROCKY MOUNTAIN POWER - CHEHALIS POWER GENERATING, L.P. | CHEHALIS, Lewis, WA | Pass | Local |
| 2025-05-06 | ROCKY MOUNTAIN POWER - CHEHALIS POWER GENERATING, L.P. | CHEHALIS, Lewis, WA | Pass | Local |
| 2025-03-25 | TRANSALTA CENTRALIA GENERATION, LLC — high-priority violation on file | CENTRALIA, Lewis, WA | Pass | Local |
| 2025-01-22 | MINT FARM GENERATION, LLC. | LONGVIEW, Cowlitz, WA | Pass | Local |
| 2025-01-16 | PUGET SOUND ENERGY-FREDONIA | MOUNT VERNON, Skagit, WA | Pass | Local |
| 2025-01-15 | TRANSALTA CENTRALIA GENERATION, LLC — high-priority violation on file | CENTRALIA, Lewis, WA | Pass | Local |
| 2025-01-14 | PUGET SOUND ENERGY-FREDONIA | MOUNT VERNON, Skagit, WA | Pass | Local |
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.