EPA Air · stack tests by state and year
Air-emissions stack tests in Washington, 2024
- 338Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Every stack test below was recorded against a source in Washington during 2024; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in Washington, 2024
- Cowlitz County 81
- King County 60
- Snohomish County 54
- Whatcom County 38
- Skagit County 20
- Jefferson County 17
- Pierce County 16
- Lewis County 13
- Spokane County 8
- Kitsap County 6
- Undetermined County 6
- Walla Walla County 5
- Clark County 4
Washington, other years
Air-emissions stack tests recorded in Washington, 2024
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2024-12-20 | WESTROCK LONGVIEW LLC — high-priority violation on file | LONGVIEW, Cowlitz, WA | Pass | State |
| 2024-12-19 | WESTROCK LONGVIEW LLC — high-priority violation on file | LONGVIEW, Cowlitz, WA | Pass | State |
| 2024-12-17 | NIPPON DYNAWAVE PACKAGING COMPANY LLC — high-priority violation on file | LONGVIEW, Cowlitz, WA | Pass | State |
| 2024-12-17 | NORTHWEST PIPELINE CORP SUMAS | SUMAS, Whatcom, WA | Pass | Local |
| 2024-12-17 | NORTHWEST PIPELINE CORP SUMAS | SUMAS, Whatcom, WA | Pass | Local |
| 2024-12-14 | PACKAGING CORPORATION OF AMERICA — high-priority violation on file | WALLULA, Walla Walla, WA | Pass | State |
| 2024-12-11 | PACKAGING CORPORATION OF AMERICA — high-priority violation on file | WALLULA, Walla Walla, WA | Pass | State |
| 2024-12-11 | PACKAGING CORPORATION OF AMERICA — high-priority violation on file | WALLULA, Walla Walla, WA | Pass | State |
| 2024-12-10 | PACKAGING CORPORATION OF AMERICA — high-priority violation on file | WALLULA, Walla Walla, WA | Pass | State |
| 2024-12-09 | GAS TRANSMISSION NORTHWEST #7 | WASHINGTON, Undetermined, WA | Pending | State |
| 2024-12-09 | STARBUCKS MANUFACTURING CORPORATION | KENT, King, WA | Pass | Local |
| 2024-12-04 | WESTROCK LONGVIEW LLC — high-priority violation on file | LONGVIEW, Cowlitz, WA | Pass | State |
| 2024-12-03 | WESTROCK LONGVIEW LLC — high-priority violation on file | LONGVIEW, Cowlitz, WA | Pass | State |
| 2024-12-03 | WESTROCK LONGVIEW LLC — high-priority violation on file | LONGVIEW, Cowlitz, WA | Pass | State |
| 2024-12-02 | WESTROCK LONGVIEW LLC — high-priority violation on file | LONGVIEW, Cowlitz, WA | Pass | State |
| 2024-11-26 | NORTHWEST PIPELINE CORP WASHOUGAL | WASHOUGAL, Clark, WA | Pass | Local |
| 2024-11-25 | WESTROCK LONGVIEW LLC — high-priority violation on file | LONGVIEW, Cowlitz, WA | Pass | State |
| 2024-11-25 | FRANZ SEATTLE DIVISION - WELLER ST. | SEATTLE, King, WA | Pass | Local |
| 2024-11-25 | PUGET SOUND ENERGY (WA NATURAL GAS) | CHEHALIS, Lewis, WA | Pass | Local |
| 2024-11-22 | AIR LIQUIDE AMERICA LP | ANACORTES, Skagit, WA | Pass | Local |
| 2024-11-21 | US ENERGY DEPT - HANFORD — high-priority violation on file | RICHLAND, Benton, WA | Pending | State |
| 2024-11-21 | WESTROCK LONGVIEW LLC — high-priority violation on file | LONGVIEW, Cowlitz, WA | Pass | State |
| 2024-11-20 | WESTROCK LONGVIEW LLC — high-priority violation on file | LONGVIEW, Cowlitz, WA | Pass | State |
| 2024-11-19 | WESTROCK LONGVIEW LLC — high-priority violation on file | LONGVIEW, Cowlitz, WA | Pass | State |
| 2024-11-15 | BOEING SPACE CENTER | KENT, King, WA | Pass | Local |
| 2024-11-15 | BOEING SPACE CENTER | KENT, King, WA | Pass | Local |
| 2024-11-15 | BOEING SPACE CENTER | KENT, King, WA | Pass | Local |
| 2024-11-14 | PUGET SOUND ENERGY - ENCOGEN | BELLINGHAM, Whatcom, WA | Pass | Local |
| 2024-11-13 | BOEING DEVELOPMENTAL CENTER | TUKWILA, King, WA | Pass | Local |
| 2024-11-13 | BOEING DEVELOPMENTAL CENTER | TUKWILA, King, WA | Pass | Local |
| 2024-11-13 | BOEING DEVELOPMENTAL CENTER | TUKWILA, King, WA | Pass | Local |
| 2024-11-07 | PHILLIPS 66 | FERNDALE, Whatcom, WA | Pass | Local |
| 2024-11-06 | PUGET SOUND ENERGY-FREDONIA | MOUNT VERNON, Skagit, WA | Pass | Local |
| 2024-11-06 | CEDAR GROVE COMPOST CO | MAPLE VALLEY, King, WA | Fail | Local |
| 2024-11-06 | CEDAR GROVE COMPOST CO | MAPLE VALLEY, King, WA | Fail | Local |
| 2024-11-05 | PHILLIPS 66 | FERNDALE, Whatcom, WA | Pass | Local |
| 2024-11-05 | AEROJET ROCKETDYNE, INC. | REDMOND, King, WA | Pass | Local |
| 2024-11-05 | AEROJET ROCKETDYNE, INC. | REDMOND, King, WA | Pass | Local |
| 2024-11-05 | MULTICARE HEALTH SYSTEM | TACOMA, Pierce, WA | Pass | Local |
| 2024-11-05 | PUGET SOUND ENERGY (WA NATURAL GAS) | CHEHALIS, Lewis, WA | Pass | Local |
| 2024-11-05 | PUGET SOUND ENERGY (WA NATURAL GAS) | CHEHALIS, Lewis, WA | Pass | Local |
| 2024-11-04 | PUGET SOUND ENERGY-FREDONIA | MOUNT VERNON, Skagit, WA | Pass | Local |
| 2024-11-04 | PUGET SOUND ENERGY (WA NATURAL GAS) | CHEHALIS, Lewis, WA | Pass | Local |
| 2024-10-31 | SIERRA PACIFIC IND.- SKAGIT LUMBER | MOUNT VERNON, Skagit, WA | Pass | Local |
| 2024-10-31 | CARDINAL FG COMPANY | WINLOCK, Lewis, WA | Pass | Local |
| 2024-10-31 | HARDEL MUTUAL PLYWOOD CORPORATION — high-priority violation on file | CHEHALIS, Lewis, WA | Pass | Local |
| 2024-10-30 | SIERRA PACIFIC IND.- SKAGIT LUMBER | MOUNT VERNON, Skagit, WA | Pass | Local |
| 2024-10-30 | EIGER MOUNTAIN CRUSHING | BREMERTON, Kitsap, WA | Pass | Local |
| 2024-10-30 | EIGER MOUNTAIN CRUSHING | BREMERTON, Kitsap, WA | Pass | Local |
| 2024-10-30 | HARDEL MUTUAL PLYWOOD CORPORATION — high-priority violation on file | CHEHALIS, Lewis, WA | Pass | Local |
| 2024-10-29 | WESTROCK LONGVIEW LLC — high-priority violation on file | LONGVIEW, Cowlitz, WA | Pass | State |
| 2024-10-29 | HARDEL MUTUAL PLYWOOD CORPORATION — high-priority violation on file | CHEHALIS, Lewis, WA | Fail | Local |
| 2024-10-25 | WESTROCK LONGVIEW LLC — high-priority violation on file | LONGVIEW, Cowlitz, WA | Pass | State |
| 2024-10-24 | WESTROCK LONGVIEW LLC — high-priority violation on file | LONGVIEW, Cowlitz, WA | Pass | State |
| 2024-10-24 | FERNDALE STORAGE TERMINAL | FERNDALE, Whatcom, WA | Pending | Local |
| 2024-10-23 | FERNDALE STORAGE TERMINAL | FERNDALE, Whatcom, WA | Pass | Local |
| 2024-10-23 | KING COUNTY WASTEWATER TREATMENT DIVISION WEST POINT TREATMENT PLANT | SEATTLE, King, WA | Pass | Local |
| 2024-10-22 | WESTROCK LONGVIEW LLC — high-priority violation on file | LONGVIEW, Cowlitz, WA | Pass | State |
| 2024-10-21 | KING COUNTY WASTEWATER TREATMENT DIVISION WEST POINT TREATMENT PLANT | SEATTLE, King, WA | Pass | Local |
| 2024-10-21 | KING COUNTY WASTEWATER TREATMENT DIVISION WEST POINT TREATMENT PLANT | SEATTLE, King, WA | Pass | Local |
| 2024-10-21 | KING COUNTY WASTEWATER TREATMENT DIVISION WEST POINT TREATMENT PLANT | SEATTLE, King, WA | Pass | Local |
| 2024-10-21 | KING COUNTY WASTEWATER TREATMENT DIVISION WEST POINT TREATMENT PLANT | SEATTLE, King, WA | Pass | Local |
| 2024-10-21 | KING COUNTY WASTEWATER TREATMENT DIVISION WEST POINT TREATMENT PLANT | SEATTLE, King, WA | Pass | Local |
| 2024-10-21 | KING COUNTY WASTEWATER TREATMENT DIVISION WEST POINT TREATMENT PLANT | SEATTLE, King, WA | Pass | Local |
| 2024-10-21 | KING COUNTY WASTEWATER TREATMENT DIVISION WEST POINT TREATMENT PLANT | SEATTLE, King, WA | Pass | Local |
| 2024-10-18 | KAISER ALUMINUM WASHINGTON, LLC | SPOKANE, Spokane, WA | Pass | Local |
| 2024-10-10 | PORT TOWNSEND PAPER CORPORATION — high-priority violation on file | PORT TOWNSEND, Jefferson, WA | Pass | State |
| 2024-10-09 | PORT TOWNSEND PAPER CORPORATION — high-priority violation on file | PORT TOWNSEND, Jefferson, WA | Pass | State |
| 2024-10-09 | PORT TOWNSEND PAPER CORPORATION — high-priority violation on file | PORT TOWNSEND, Jefferson, WA | Pass | State |
| 2024-10-09 | LENZ ENTERPRISES INC | STANWOOD, Snohomish, WA | Pass | Local |
| 2024-10-09 | LENZ ENTERPRISES INC | STANWOOD, Snohomish, WA | Pass | Local |
| 2024-10-09 | LENZ ENTERPRISES INC | STANWOOD, Snohomish, WA | Pass | Local |
| 2024-10-09 | LENZ ENTERPRISES INC | STANWOOD, Snohomish, WA | Pass | Local |
| 2024-10-09 | LENZ ENTERPRISES INC | STANWOOD, Snohomish, WA | Pass | Local |
| 2024-10-09 | LENZ ENTERPRISES INC | STANWOOD, Snohomish, WA | Pass | Local |
| 2024-10-09 | LENZ ENTERPRISES INC | STANWOOD, Snohomish, WA | Pass | Local |
| 2024-10-09 | BOEING COMMERCIAL AIRPLANE GROUP - EVERETT — high-priority violation on file | EVERETT, Snohomish, WA | Pass | Local |
| 2024-10-09 | BOEING COMMERCIAL AIRPLANE GROUP - EVERETT — high-priority violation on file | EVERETT, Snohomish, WA | Pass | Local |
| 2024-10-09 | BOEING COMMERCIAL AIRPLANE GROUP - EVERETT — high-priority violation on file | EVERETT, Snohomish, WA | Pass | Local |
| 2024-10-09 | BOEING COMMERCIAL AIRPLANE GROUP - EVERETT — high-priority violation on file | EVERETT, Snohomish, WA | Pass | Local |
| 2024-10-08 | PORT TOWNSEND PAPER CORPORATION — high-priority violation on file | PORT TOWNSEND, Jefferson, WA | Pass | State |
| 2024-10-08 | BP WEST COAST PRODUCTS LLC — high-priority violation on file | BLAINE, Whatcom, WA | Pass | Local |
| 2024-10-08 | LENZ ENTERPRISES INC | STANWOOD, Snohomish, WA | Pass | Local |
| 2024-10-08 | STEELSCAPE, LC | WASHINGTON, Undetermined, WA | Pass | Local |
| 2024-10-04 | SIERRA PACIFIC IND.- SKAGIT LUMBER | MOUNT VERNON, Skagit, WA | Pass | Local |
| 2024-10-04 | NORTHWEST PIPELINE GP SUMNER | SUMNER, Pierce, WA | Pass | Local |
| 2024-10-04 | NORTHWEST PIPELINE GP SUMNER | SUMNER, Pierce, WA | Pass | Local |
| 2024-10-03 | POST POINT WWTP SEWAGE SLUDGE INCINERATOR — high-priority violation on file | WHATCOM COUNTY, Whatcom, WA | Pass | Local |
| 2024-10-03 | CAPITAL POWER CORPORATION | TACOMA, Pierce, WA | Pass | Local |
| 2024-10-03 | CAPITAL POWER CORPORATION | TACOMA, Pierce, WA | Pass | Local |
| 2024-10-03 | CAPITAL POWER CORPORATION | TACOMA, Pierce, WA | Pass | Local |
| 2024-10-03 | CAPITAL POWER CORPORATION | TACOMA, Pierce, WA | Pass | Local |
| 2024-10-02 | NORTHWEST PIPELINE LLC SNOHOMISH | SNOHOMISH, Snohomish, WA | Pass | Local |
| 2024-10-02 | NORTHWEST PIPELINE LLC SNOHOMISH | SNOHOMISH, Snohomish, WA | Pass | Local |
| 2024-09-27 | WESTROCK LONGVIEW LLC — high-priority violation on file | LONGVIEW, Cowlitz, WA | Pass | State |
| 2024-09-27 | NORTHWEST PIPELINE LLC- MOUNT VERNON | MOUNT VERNON, Skagit, WA | Pass | Local |
| 2024-09-27 | POST POINT WWTP SEWAGE SLUDGE INCINERATOR — high-priority violation on file | WHATCOM COUNTY, Whatcom, WA | Pass | Local |
| 2024-09-26 | HOLLYFRONTIER PUGET SOUND REFINERY | ANACORTES, Skagit, WA | Pass | Local |
| 2024-09-26 | NORTHWEST PIPELINE LLC- MOUNT VERNON | MOUNT VERNON, Skagit, WA | Pass | Local |
| 2024-09-24 | NORTHWEST PIPELINE CORP SUMAS | SUMAS, Whatcom, WA | Pass | Local |
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Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.