EPA Air · inspections by state and year
Air-emissions inspections in Washington, 2026
- 625Inspections
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 2026; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in Washington, 2026
- King County 266
- Pierce County 123
- Snohomish County 110
- Kitsap County 24
- Lewis County 18
- Clark County 18
- Cowlitz County 17
- Skagit County 13
- Whatcom County 11
- Benton County 4
- Spokane County 4
- Grays Harbor County 4
- Clallam County 3
Washington, other years
Air-emissions inspections recorded in Washington, 2026
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2026-05-04 | GEORGIA-PACIFIC GYPSUM LLC | TACOMA, Pierce, WA | PCE Off-Site | Local |
| 2026-05-04 | BOEING COMMERCIAL AIRPLANE GROUP - EVERETT — high-priority violation on file | EVERETT, Snohomish, WA | PCE Off-Site | Local |
| 2026-05-04 | HAMPTON LUMBER MILLS - MORTON | MORTON, Lewis, WA | PCE Off-Site | Local |
| 2026-05-04 | HAMPTON LUMBER MILLS - RANDLE — high-priority violation on file | RANDLE, Lewis, WA | PCE Off-Site | Local |
| 2026-05-01 | PORT ORCHARD SAND & GRAVEL SIDNEY | PORT ORCHARD, Kitsap, WA | PCE On-Site Record/Report Review | Local |
| 2026-05-01 | BOEING COMMERCIAL AIRPLANE RENTON | RENTON, King, WA | PCE Off-Site | Local |
| 2026-05-01 | ASKO PROCESSING INC | SEATTLE, King, WA | PCE Off-Site | Local |
| 2026-05-01 | COWLITZ COUNTY HEADQUARTERS LANDFILL | CASTLE ROCK, Cowlitz, WA | PCE Off-Site | Local |
| 2026-04-30 | US OIL & REFINING CO | TACOMA, Pierce, WA | PCE Off-Site | Local |
| 2026-04-30 | NORTHWEST PIPELINE CORP CHEHALIS | CHEHALIS, Lewis, WA | PCE Off-Site | Local |
| 2026-04-29 | UNIVERSITY OF WASHINGTON DBA EHNS | SEATTLE, King, WA | PCE Off-Site | Local |
| 2026-04-29 | NORTHWEST PIPELINE CORP WASHOUGAL | WASHOUGAL, Clark, WA | PCE Off-Site | Local |
| 2026-04-29 | NORTH PACIFIC PAPER CORP. — high-priority violation on file | LONGVIEW, Cowlitz, WA | PCE Off-Site | Local |
| 2026-04-28 | PACIFIC TOPSOILS INC | WOODINVILLE, Snohomish, WA | PCE Off-Site | Local |
| 2026-04-28 | PACIFIC TOPSOILS INC | WOODINVILLE, Snohomish, WA | PCE Off-Site | Local |
| 2026-04-28 | PACIFIC TOPSOILS INC | WOODINVILLE, Snohomish, WA | PCE Off-Site | Local |
| 2026-04-28 | PACIFIC TOPSOILS INC | WOODINVILLE, Snohomish, WA | PCE Off-Site | Local |
| 2026-04-28 | UNIVERSITY OF WASHINGTON DBA EHNS | SEATTLE, King, WA | PCE Off-Site | Local |
| 2026-04-28 | RAINIER PLYWOOD COMPANY DBA RAINIER RICHLITE CO | TACOMA, Pierce, WA | PCE Off-Site | Local |
| 2026-04-28 | NORTH PACIFIC PAPER CORP. — high-priority violation on file | LONGVIEW, Cowlitz, WA | PCE Off-Site | Local |
| 2026-04-28 | CARDINAL FG COMPANY | WINLOCK, Lewis, WA | PCE Off-Site | Local |
| 2026-04-27 | HM PACIFIC NORTHWEST, INC. DBA CADMAN MATERIAL INC | KENMORE, King, WA | FCE On-Site | Local |
| 2026-04-27 | HM PACIFIC NORTHWEST, INC. DBA CADMAN MATERIAL INC | KENMORE, King, WA | PCE On-Site Record/Report Review | Local |
| 2026-04-27 | HAMPTON LUMBER MILLS-WASHINGTON INC | DARRINGTON, Snohomish, WA | PCE Off-Site | Local |
| 2026-04-24 | WETLANDS CREATION, INC./STOCK YARD | SNOHOMISH, Snohomish, WA | PCE On-Site Record/Report Review | Local |
| 2026-04-24 | BOEING COMMERCIAL AIRPLANE RENTON | RENTON, King, WA | PCE Off-Site | Local |
| 2026-04-24 | KING COUNTY WASTEWATER TREATMENT DIVISION WEST POINT TREATMENT PLANT | SEATTLE, King, WA | PCE Off-Site | Local |
| 2026-04-24 | BOEING COMMERCIAL AIRPLANE SEATTLE | SEATTLE, King, WA | PCE Off-Site | Local |
| 2026-04-24 | US NAVY PUGET SOUND NAVAL SHIPYARD PSNS | BREMERTON, Kitsap, WA | PCE Off-Site | Local |
| 2026-04-24 | JOINT BASE LEWIS-MCCHORD | FORT LEWIS, Pierce, WA | PCE Off-Site | Local |
| 2026-04-24 | BOEING COMMERCIAL AIRPLANE GROUP - EVERETT — high-priority violation on file | EVERETT, Snohomish, WA | PCE Off-Site | Local |
| 2026-04-24 | CARDINAL FG COMPANY | WINLOCK, Lewis, WA | PCE Off-Site | Local |
| 2026-04-23 | US OIL & REFINING CO | TACOMA, Pierce, WA | PCE Off-Site | Local |
| 2026-04-23 | PIERCE CO RECYCLING COMPOSTING AND DISPOSAL, LLC DBA LRI — high-priority violation on file | GRAHAM, Pierce, WA | PCE On-Site | U.S. EPA |
| 2026-04-23 | ACHILLES USA INC. | EVERETT, Snohomish, WA | PCE On-Site Record/Report Review | Local |
| 2026-04-23 | ACHILLES USA INC. | EVERETT, Snohomish, WA | FCE On-Site | Local |
| 2026-04-22 | STONEWAY ROCK & RECYCLING, BLACK RIVER, G MERLINO | RENTON, King, WA | PCE Off-Site | Local |
| 2026-04-22 | CLARK PUBLIC UTILITIES / RIVER ROAD GENERATING PROJECT | VANCOUVER, Clark, WA | PCE Off-Site | Local |
| 2026-04-22 | MINT FARM GENERATION, LLC. | LONGVIEW, Cowlitz, WA | PCE Off-Site | Local |
| 2026-04-21 | WESTPORT LLC | WESTPORT, Grays Harbor, WA | FCE On-Site | Local |
| 2026-04-21 | CENTRIO (WESTERN) | SEATTLE, King, WA | PCE Off-Site | Local |
| 2026-04-21 | CENTRIO (WESTERN) | SEATTLE, King, WA | PCE Off-Site | Local |
| 2026-04-21 | BOEING SPACE CENTER | KENT, King, WA | PCE Off-Site | Local |
| 2026-04-21 | ASKO PROCESSING INC | SEATTLE, King, WA | PCE On-Site Record/Report Review | Local |
| 2026-04-21 | ASKO PROCESSING INC | SEATTLE, King, WA | FCE On-Site | Local |
| 2026-04-21 | BOEING DEVELOPMENTAL CENTER | TUKWILA, King, WA | PCE Off-Site | Local |
| 2026-04-21 | EVERGREEN HEALTHCARE | KIRKLAND, King, WA | PCE Off-Site | Local |
| 2026-04-21 | KING COUNTY RNG PROCESSING FACILITY | MAPLE VALLEY, King, WA | PCE Off-Site | Local |
| 2026-04-21 | US OIL & REFINING CO | TACOMA, Pierce, WA | PCE Off-Site | Local |
| 2026-04-17 | GRAYMONT WESTERN US INC | TACOMA, Pierce, WA | PCE Off-Site | Local |
| 2026-04-17 | CLARK PUBLIC UTILITIES / RIVER ROAD GENERATING PROJECT | VANCOUVER, Clark, WA | PCE Off-Site | Local |
| 2026-04-15 | J R SIMPLOT | OTHELLO, Adams, WA | FCE On-Site | State |
| 2026-04-15 | PACIFIC CREST INDUSTRIES, INC. DBA BELLMONT CABINETS COMPANY | SUMNER, Pierce, WA | FCE On-Site | Local |
| 2026-04-15 | PACIFIC CREST INDUSTRIES, INC. DBA BELLMONT CABINETS COMPANY | SUMNER, Pierce, WA | PCE On-Site Record/Report Review | Local |
| 2026-04-15 | COWLITZ COUNTY HEADQUARTERS LANDFILL | CASTLE ROCK, Cowlitz, WA | PCE Off-Site | Local |
| 2026-04-14 | UNIVERSITY OF WASHINGTON DBA EHNS | SEATTLE, King, WA | PCE Off-Site | Local |
| 2026-04-14 | VIGOR SHIPYARDS, LLC | SEATTLE, King, WA | PCE Off-Site | Local |
| 2026-04-13 | PUGET SOUND ENERGY | TACOMA, Pierce, WA | PCE Off-Site | Local |
| 2026-04-13 | BOEING COMMERCIAL AIRPLANE AUBURN | AUBURN, King, WA | PCE Off-Site | Local |
| 2026-04-13 | BOEING COMMERCIAL AIRPLANE AUBURN | AUBURN, King, WA | PCE Off-Site | Local |
| 2026-04-13 | KING CO SOLID WASTE OP SEC CEDAR HILLS | MAPLE VALLEY, King, WA | PCE Off-Site | Local |
| 2026-04-13 | KING CO SOLID WASTE OP SEC CEDAR HILLS | MAPLE VALLEY, King, WA | PCE Off-Site | Local |
| 2026-04-13 | KING CO SOLID WASTE OP SEC CEDAR HILLS | MAPLE VALLEY, King, WA | PCE Off-Site | Local |
| 2026-04-13 | BOEING COMMERCIAL AIRPLANE, FREDERICKSON | PUYALLUP, Pierce, WA | PCE Off-Site | Local |
| 2026-04-13 | BOEING COMMERCIAL AIRPLANE, FREDERICKSON | PUYALLUP, Pierce, WA | PCE Off-Site | Local |
| 2026-04-13 | MULTICARE GOOD SAMARITAN HOSPITAL | PUYALLUP, Pierce, WA | PCE Off-Site | Local |
| 2026-04-13 | MULTICARE GOOD SAMARITAN HOSPITAL | PUYALLUP, Pierce, WA | PCE Off-Site | Local |
| 2026-04-09 | FRANZ SEATTLE DIVISION - WELLER ST. | SEATTLE, King, WA | PCE On-Site Record/Report Review | Local |
| 2026-04-09 | FRANZ SEATTLE DIVISION - WELLER ST. | SEATTLE, King, WA | FCE On-Site | Local |
| 2026-04-09 | KING COUNTY RNG PROCESSING FACILITY | MAPLE VALLEY, King, WA | PCE Off-Site | Local |
| 2026-04-09 | TUCCI & SONS INC MCCHORD | TACOMA, Pierce, WA | PCE On-Site Record/Report Review | Local |
| 2026-04-09 | TUCCI & SONS INC MCCHORD | TACOMA, Pierce, WA | FCE On-Site | Local |
| 2026-04-09 | MILES RESOURCES - SUMNER FACILITY | SUMNER, Pierce, WA | PCE On-Site Record/Report Review | Local |
| 2026-04-09 | MILES RESOURCES - SUMNER FACILITY | SUMNER, Pierce, WA | FCE On-Site | Local |
| 2026-04-09 | CITY OF VANCOUVER / WESTSIDE WASTEWATER TREATMENT PLANT — high-priority violation on file | VANCOUVER, Clark, WA | PCE Off-Site | Local |
| 2026-04-09 | LANXESS CORPORATION — high-priority violation on file | KALAMA, Cowlitz, WA | PCE On-Site | U.S. EPA |
| 2026-04-09 | STEELSCAPE, LC | WASHINGTON, Undetermined, WA | FCE On-Site | Local |
| 2026-04-08 | HAMPTON LUMBER MILLS-WASHINGTON INC | DARRINGTON, Snohomish, WA | FCE On-Site | Local |
| 2026-04-08 | HAMPTON LUMBER MILLS-WASHINGTON INC | DARRINGTON, Snohomish, WA | PCE On-Site Record/Report Review | Local |
| 2026-04-08 | CITY OF VANCOUVER / WESTSIDE WASTEWATER TREATMENT PLANT — high-priority violation on file | VANCOUVER, Clark, WA | PCE Off-Site | Local |
| 2026-04-07 | ASH GROVE CEMENT COMPANY | SEATTLE, King, WA | PCE Off-Site | Local |
| 2026-04-05 | BOEING COMMERCIAL AIRPLANE RENTON | RENTON, King, WA | PCE Off-Site | Local |
| 2026-04-05 | BOEING COMMERCIAL AIRPLANE SEATTLE | SEATTLE, King, WA | PCE Off-Site | Local |
| 2026-04-05 | BOEING COMMERCIAL AIRPLANE GROUP - EVERETT — high-priority violation on file | EVERETT, Snohomish, WA | PCE Off-Site | Local |
| 2026-04-05 | BOEING COMMERCIAL AIRPLANE GROUP - EVERETT — high-priority violation on file | EVERETT, Snohomish, WA | PCE Off-Site | Local |
| 2026-04-05 | BOEING COMMERCIAL AIRPLANE GROUP - EVERETT — high-priority violation on file | EVERETT, Snohomish, WA | PCE Off-Site | Local |
| 2026-04-05 | BOEING COMMERCIAL AIRPLANE GROUP - EVERETT — high-priority violation on file | EVERETT, Snohomish, WA | PCE Off-Site | Local |
| 2026-04-05 | BOEING COMMERCIAL AIRPLANE GROUP - EVERETT — high-priority violation on file | EVERETT, Snohomish, WA | PCE Off-Site | Local |
| 2026-04-02 | CEDAR GROVE COMPOSTING, INC | EVERETT, Snohomish, WA | PCE Off-Site | Local |
| 2026-04-02 | LENZ ENTERPRISES INC | STANWOOD, Snohomish, WA | PCE Off-Site | Local |
| 2026-04-02 | SHORE TERMINALS LLC DBA SUNOCO LP | TACOMA, Pierce, WA | PCE Off-Site | Local |
| 2026-04-01 | UNIVERSITY OF WASHINGTON DBA EHNS | SEATTLE, King, WA | PCE Off-Site | Local |
| 2026-04-01 | BOEING COMMERCIAL AIRPLANE RENTON | RENTON, King, WA | PCE Off-Site | Local |
| 2026-04-01 | ASKO PROCESSING INC | SEATTLE, King, WA | PCE Off-Site | Local |
| 2026-04-01 | BOEING COMMERCIAL AIRPLANE GROUP - EVERETT — high-priority violation on file | EVERETT, Snohomish, WA | PCE Off-Site | Local |
| 2026-03-30 | NORDIC TUGS, INC. | BURLINGTON, Skagit, WA | PCE On-Site | Local |
| 2026-03-30 | ASH GROVE CEMENT COMPANY | SEATTLE, King, WA | PCE Off-Site | Local |
| 2026-03-30 | RAINIER PLYWOOD COMPANY DBA RAINIER RICHLITE CO | TACOMA, Pierce, WA | PCE Off-Site | Local |
| 2026-03-27 | CARLISLE CONSTRUCTION MATERIALS INCORPORATED | PUYALLUP, Pierce, WA | PCE Off-Site | Local |
| 2026-03-27 | CERTAINTEED GYPSUM MANUFACTURING INC | SEATTLE, King, WA | FCE On-Site | Local |
Dates as filed by the agency that recorded the inspection. Figures from EPA’s ICIS-AIR download.