EPA Air · inspections by state and year
Air-emissions inspections in Washington, 2025
- 1,490Inspections
A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source. Every inspection below was recorded against a source in Washington during 2025; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in Washington, 2025
- King County 756
- Pierce County 318
- Snohomish County 210
- Kitsap County 36
- Lewis County 25
- Skagit County 21
- Whatcom County 20
- Benton County 20
- Spokane County 19
- Cowlitz County 15
- Clark County 12
- Grays Harbor County 10
- Thurston County 5
- Walla Walla County 4
- Mason County 3
- Undetermined County 3
Washington, other years
Air-emissions inspections recorded in Washington, 2025
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2025-08-20 | HOLLYFRONTIER PUGET SOUND REFINERY | ANACORTES, Skagit, WA | PCE On-Site | Local |
| 2025-08-20 | DSHS SPECIAL COMMITMENT CENTER | MCNEIL ISLAND, Pierce, WA | PCE On-Site Record/Report Review | Local |
| 2025-08-20 | NORTHWEST PIPELINE CORP WASHOUGAL | WASHOUGAL, Clark, WA | PCE Off-Site | Local |
| 2025-08-19 | HOLLYFRONTIER PUGET SOUND REFINERY | ANACORTES, Skagit, WA | PCE On-Site | Local |
| 2025-08-19 | KING COUNTY WASTEWATER TREATMENT DIVISION WEST POINT TREATMENT PLANT | SEATTLE, King, WA | PCE Off-Site | Local |
| 2025-08-19 | SEAPORT SOUND TERMINAL LLC | TACOMA, Pierce, WA | FCE On-Site | Local |
| 2025-08-19 | SEAPORT SOUND TERMINAL LLC | TACOMA, Pierce, WA | PCE On-Site Record/Report Review | Local |
| 2025-08-19 | PUGET SOUND ENERGY FREDERICKSON | TACOMA, Pierce, WA | PCE Off-Site | Local |
| 2025-08-19 | RAINIER PLYWOOD COMPANY DBA RAINIER RICHLITE CO | TACOMA, Pierce, WA | PCE Off-Site | Local |
| 2025-08-19 | CAPITAL POWER CORPORATION | TACOMA, Pierce, WA | PCE Off-Site | Local |
| 2025-08-19 | CAPITAL POWER CORPORATION | TACOMA, Pierce, WA | PCE Off-Site | Local |
| 2025-08-19 | CAPITAL POWER CORPORATION | TACOMA, Pierce, WA | PCE Off-Site | Local |
| 2025-08-19 | CAPITAL POWER CORPORATION | TACOMA, Pierce, WA | PCE Off-Site | Local |
| 2025-08-19 | TUCCI & SONS INC TAYLOR WAY | TACOMA, Pierce, WA | FCE On-Site | Local |
| 2025-08-19 | TUCCI & SONS INC TAYLOR WAY | TACOMA, Pierce, WA | PCE On-Site Record/Report Review | Local |
| 2025-08-18 | EVERGREEN HEALTHCARE | KIRKLAND, King, WA | PCE Off-Site | Local |
| 2025-08-15 | NAS WHIDBEY ISLAND | OAK HARBOR, Island, WA | FCE On-Site | Local |
| 2025-08-15 | PHILLIPS 66 | FERNDALE, Whatcom, WA | FCE On-Site | Local |
| 2025-08-15 | PUGET SOUND ENERGY - ENCOGEN | BELLINGHAM, Whatcom, WA | PCE On-Site | Local |
| 2025-08-15 | CADMAN MATERIALS, INC. (CADMAN) | WOODINVILLE, King, WA | PCE On-Site Record/Report Review | Local |
| 2025-08-14 | CEDAR GROVE COMPOSTING, INC | EVERETT, Snohomish, WA | PCE Off-Site | Local |
| 2025-08-14 | CEDAR GROVE COMPOST CO | MAPLE VALLEY, King, WA | PCE Off-Site | Local |
| 2025-08-14 | CEDAR GROVE COMPOST CO | MAPLE VALLEY, King, WA | PCE Off-Site | Local |
| 2025-08-14 | FRED HUTCHINSON CANCER RESEARCH CENTER | SEATTLE, King, WA | PCE Off-Site | Local |
| 2025-08-13 | BP WEST COAST PRODUCTS LLC — high-priority violation on file | BLAINE, Whatcom, WA | PCE On-Site | Local |
| 2025-08-13 | CAPITAL POWER CORPORATION | TACOMA, Pierce, WA | PCE Off-Site | Local |
| 2025-08-13 | CAPITAL POWER CORPORATION | TACOMA, Pierce, WA | PCE Off-Site | Local |
| 2025-08-13 | CAPITAL POWER CORPORATION | TACOMA, Pierce, WA | PCE Off-Site | Local |
| 2025-08-13 | CAPITAL POWER CORPORATION | TACOMA, Pierce, WA | PCE Off-Site | Local |
| 2025-08-12 | NAS WHIDBEY ISLAND | OAK HARBOR, Island, WA | PCE On-Site | Local |
| 2025-08-12 | AQUATIC CO | YELM, Thurston, WA | FCE On-Site | Local |
| 2025-08-12 | SUMNER SAND & GRAVEL, LLC | SUMNER, Pierce, WA | PCE On-Site Record/Report Review | Local |
| 2025-08-12 | BOEING COMMERCIAL AIRPLANE RENTON | RENTON, King, WA | PCE Off-Site | Local |
| 2025-08-12 | GEORGIA-PACIFIC GYPSUM LLC | TACOMA, Pierce, WA | PCE Off-Site | Local |
| 2025-08-12 | BOEING COMMERCIAL AIRPLANE GROUP - EVERETT — high-priority violation on file | EVERETT, Snohomish, WA | PCE Off-Site | Local |
| 2025-08-11 | CEDAR GROVE COMPOST CO | MAPLE VALLEY, King, WA | PCE Off-Site | Local |
| 2025-08-11 | CARLISLE CONSTRUCTION MATERIALS INCORPORATED | PUYALLUP, Pierce, WA | PCE Off-Site | Local |
| 2025-08-11 | CARLISLE CONSTRUCTION MATERIALS INCORPORATED | PUYALLUP, Pierce, WA | PCE Off-Site | Local |
| 2025-08-11 | CARLISLE CONSTRUCTION MATERIALS INCORPORATED | PUYALLUP, Pierce, WA | PCE Off-Site | Local |
| 2025-08-11 | CARLISLE CONSTRUCTION MATERIALS INCORPORATED | PUYALLUP, Pierce, WA | PCE Off-Site | Local |
| 2025-08-11 | BOEING DEVELOPMENTAL CENTER | TUKWILA, King, WA | PCE Off-Site | Local |
| 2025-08-11 | AGC BIOLOGICS INC. | BOTHELL, Snohomish, WA | PCE Off-Site | Local |
| 2025-08-11 | NAVAL BASE KITSAP AT BANGOR | SILVERDALE, Kitsap, WA | PCE Off-Site | Local |
| 2025-08-11 | ALON ASPHALT USA | SHORELINE, Snohomish, WA | PCE Off-Site | Local |
| 2025-08-11 | ALON ASPHALT USA | SHORELINE, Snohomish, WA | PCE Off-Site | Local |
| 2025-08-11 | ALON ASPHALT USA | SHORELINE, Snohomish, WA | PCE Off-Site | Local |
| 2025-08-11 | ALON ASPHALT USA | SHORELINE, Snohomish, WA | PCE Off-Site | Local |
| 2025-08-11 | US NAVY NAVAL STATION EVERETT | EVERETT, Snohomish, WA | PCE Off-Site | Local |
| 2025-08-08 | CHEMTRADE SOLUTIONS LLC | ANACORTES, Skagit, WA | FCE On-Site | Local |
| 2025-08-08 | NORTHWEST PIPELINE LLC- MOUNT VERNON | MOUNT VERNON, Skagit, WA | FCE On-Site | Local |
| 2025-08-08 | LINDE ADVANCED MATERIALS TECHNOLOGIES | WOODINVILLE, King, WA | PCE On-Site Record/Report Review | Local |
| 2025-08-08 | WASHINGTON STATE RAINIER SCHOOL | BUCKLEY, Pierce, WA | PCE On-Site Record/Report Review | Local |
| 2025-08-08 | AVISTA - NECT | SPOKANE, Spokane, WA | FCE On-Site | Local |
| 2025-08-07 | US ENERGY DEPT - HANFORD — high-priority violation on file | RICHLAND, Benton, WA | PCE On-Site | State |
| 2025-08-07 | NORTHWEST PIPELINE CORP SUMAS | SUMAS, Whatcom, WA | FCE On-Site | Local |
| 2025-08-07 | SIERRA PACIFIC INDUSTRIES - SHELTON | SHELTON, Mason, WA | FCE On-Site | Local |
| 2025-08-07 | AEROJET ROCKETDYNE, INC. | REDMOND, King, WA | PCE Off-Site | Local |
| 2025-08-07 | HAMPTON LUMBER MILLS-WASHINGTON INC | DARRINGTON, Snohomish, WA | PCE Off-Site | Local |
| 2025-08-06 | CEDAR GROVE COMPOST CO | MAPLE VALLEY, King, WA | PCE On-Site Record/Report Review | Local |
| 2025-08-06 | PUGET SOUND ENERGY | TACOMA, Pierce, WA | PCE Off-Site | Local |
| 2025-08-06 | KING CO SOLID WASTE OP SEC CEDAR HILLS | MAPLE VALLEY, King, WA | PCE Off-Site | Local |
| 2025-08-05 | NORTHWEST PIPELINE LLC- MOUNT VERNON | MOUNT VERNON, Skagit, WA | PCE On-Site | Local |
| 2025-08-05 | NORTHWEST PIPELINE CORP SUMAS | SUMAS, Whatcom, WA | PCE On-Site | Local |
| 2025-08-05 | SHORE TERMINALS LLC DBA SUNOCO LP | TACOMA, Pierce, WA | PCE Off-Site | Local |
| 2025-08-04 | ASH GROVE CEMENT COMPANY | SEATTLE, King, WA | PCE Off-Site | Local |
| 2025-08-04 | ASH GROVE CEMENT COMPANY | SEATTLE, King, WA | PCE Off-Site | Local |
| 2025-08-04 | ASH GROVE CEMENT COMPANY | SEATTLE, King, WA | PCE Off-Site | Local |
| 2025-08-04 | ASH GROVE CEMENT COMPANY | SEATTLE, King, WA | PCE Off-Site | Local |
| 2025-08-04 | ASH GROVE CEMENT COMPANY | SEATTLE, King, WA | PCE Off-Site | Local |
| 2025-08-04 | ASH GROVE CEMENT COMPANY | SEATTLE, King, WA | PCE Off-Site | Local |
| 2025-08-04 | GLACIER NW, INC. DBA CALPORTLAND | MAURY ISLAND, King, WA | PCE On-Site Record/Report Review | Local |
| 2025-08-04 | UNITED STATES BAKERY DBA FRANZ FAMILY BAKERIES, INC | SEATTLE, King, WA | PCE Off-Site | Local |
| 2025-08-04 | SEAPORT MIDSTREAM PARTNERS LLC | SEATTLE, King, WA | PCE Off-Site | Local |
| 2025-08-04 | ICON MATERIALS | AUBURN, King, WA | PCE On-Site Record/Report Review | Local |
| 2025-08-04 | ICON MATERIALS | AUBURN, King, WA | FCE On-Site | Local |
| 2025-08-04 | CADMAN MATERIALS, INC. (CADMAN) | WOODINVILLE, King, WA | PCE Off-Site | Local |
| 2025-08-01 | US ENERGY DEPT - HANFORD — high-priority violation on file | RICHLAND, Benton, WA | PCE On-Site | State |
| 2025-08-01 | UNIVERSITY OF WASHINGTON DBA EHNS | SEATTLE, King, WA | PCE Off-Site | Local |
| 2025-08-01 | UNIVERSITY OF WASHINGTON DBA EHNS | SEATTLE, King, WA | PCE Off-Site | Local |
| 2025-08-01 | ARCLIN SURFACES, LLC | TACOMA, Pierce, WA | PCE Off-Site | Local |
| 2025-08-01 | ARCLIN SURFACES, LLC | TACOMA, Pierce, WA | PCE Off-Site | Local |
| 2025-08-01 | SHORE TERMINALS LLC DBA SUNOCO LP | TACOMA, Pierce, WA | PCE Off-Site | Local |
| 2025-07-31 | UNIVERSITY OF WASHINGTON DBA EHNS | SEATTLE, King, WA | PCE Off-Site | Local |
| 2025-07-31 | UNIVERSITY OF WASHINGTON DBA EHNS | SEATTLE, King, WA | PCE Off-Site | Local |
| 2025-07-31 | ASH GROVE CEMENT COMPANY | SEATTLE, King, WA | PCE Off-Site | Local |
| 2025-07-31 | KING CO SOLID WASTE OP SEC CEDAR HILLS | MAPLE VALLEY, King, WA | PCE Off-Site | Local |
| 2025-07-31 | KING CO SOLID WASTE OP SEC CEDAR HILLS | MAPLE VALLEY, King, WA | PCE Off-Site | Local |
| 2025-07-31 | DYNO BATTERY INC. | SEATTLE, King, WA | PCE On-Site Record/Report Review | Local |
| 2025-07-31 | SEACAST INC | SEATTLE, King, WA | PCE Off-Site | Local |
| 2025-07-31 | LAKESIDE INDUSTRIES INC #32 | ISSAQUAH, King, WA | PCE Off-Site | Local |
| 2025-07-31 | PIERCE CO RECYCLING COMPOSTING AND DISPOSAL, LLC DBA LRI — high-priority violation on file | GRAHAM, Pierce, WA | PCE Off-Site | Local |
| 2025-07-31 | STEELFAB OREGON | SPOKANE, Spokane, WA | FCE On-Site | Local |
| 2025-07-30 | CEDAR GROVE COMPOST CO | MAPLE VALLEY, King, WA | PCE On-Site Record/Report Review | Local |
| 2025-07-30 | CEDAR GROVE COMPOST CO | MAPLE VALLEY, King, WA | PCE On-Site Record/Report Review | Local |
| 2025-07-30 | CEDAR GROVE COMPOST CO | MAPLE VALLEY, King, WA | PCE On-Site Record/Report Review | Local |
| 2025-07-30 | CEDAR GROVE COMPOST CO | MAPLE VALLEY, King, WA | PCE On-Site Record/Report Review | Local |
| 2025-07-30 | CEDAR GROVE COMPOST CO | MAPLE VALLEY, King, WA | PCE On-Site Record/Report Review | Local |
| 2025-07-30 | CEDAR GROVE COMPOST CO | MAPLE VALLEY, King, WA | PCE On-Site Record/Report Review | Local |
| 2025-07-30 | CEDAR GROVE COMPOST CO | MAPLE VALLEY, King, WA | PCE On-Site Record/Report Review | Local |
| 2025-07-30 | CEDAR GROVE COMPOST CO | MAPLE VALLEY, King, WA | PCE On-Site Record/Report Review | Local |
Dates as filed by the agency that recorded the inspection. Figures from EPA’s ICIS-AIR download.