EPA Air · inspections by county and year
Air-emissions inspections in King County, Washington, 2026
- 266Inspections
A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source. Each row below is one inspection recorded against a source in King County, Washington during 2026. A facility can appear several times: this is the year’s record of what happened, not a list of places. The sources themselves are on the King County facility page.
King County, Washington, 2026
Air-emissions inspections in King County, other years
Air-emissions inspections recorded in King County, Washington, 2026
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2026-08-26 | ASH GROVE CEMENT COMPANY | PCE On-Site | U.S. EPA |
| 2026-07-30 | UNIVERSITY OF WASHINGTON DBA EHNS | PCE Off-Site | Local |
| 2026-07-30 | UNIVERSITY OF WASHINGTON DBA EHNS | PCE Off-Site | Local |
| 2026-07-30 | BOEING DEVELOPMENTAL CENTER | PCE Off-Site | Local |
| 2026-07-29 | GIRARD RESOURCES & RECYCLING LLC | PCE On-Site Record/Report Review | Local |
| 2026-07-28 | BURLINGTON ENVIRONMENTAL, LLC | PCE On-Site Record/Report Review | Local |
| 2026-07-27 | UNIVERSITY OF WASHINGTON DBA EHNS | PCE Off-Site | Local |
| 2026-07-22 | AEROJET ROCKETDYNE, INC. | PCE On-Site Record/Report Review | Local |
| 2026-07-21 | CEDAR GROVE COMPOST CO | PCE On-Site Record/Report Review | Local |
| 2026-07-21 | CENTRIO (WESTERN) | PCE Off-Site | Local |
| 2026-07-21 | CENTRIO (WESTERN) | PCE Off-Site | Local |
| 2026-07-16 | HM PACIFIC NORTHWEST, INC. DBA CADMAN MATERIAL INC | PCE On-Site Record/Report Review | Local |
| 2026-07-15 | BOEING COMMERCIAL AIRPLANE RENTON | PCE Off-Site | Local |
| 2026-07-15 | PACIFIC PROPELLER INTERNATIONAL LLC | PCE On-Site Record/Report Review | Local |
| 2026-07-15 | BOEING COMMERCIAL AIRPLANE SEATTLE | PCE Off-Site | Local |
| 2026-07-14 | HM PACIFIC NORTHWEST, INC. DBA CADMAN MATERIAL INC | PCE Off-Site | Local |
| 2026-07-13 | ASH GROVE CEMENT COMPANY | PCE Off-Site | Local |
| 2026-07-09 | CEDAR GROVE COMPOST CO | PCE On-Site Record/Report Review | Local |
| 2026-07-09 | BOEING SPACE CENTER | PCE Off-Site | Local |
| 2026-07-09 | BOEING DEVELOPMENTAL CENTER | PCE Off-Site | Local |
| 2026-07-08 | NUCOR STEEL SEATTLE INC | PCE Off-Site | Local |
| 2026-07-08 | UNIVERSITY OF WASHINGTON DBA EHNS | PCE Off-Site | Local |
| 2026-07-08 | KING CO SOLID WASTE OP SEC CEDAR HILLS | FCE On-Site | Local |
| 2026-07-08 | KING CO SOLID WASTE OP SEC CEDAR HILLS | PCE On-Site Record/Report Review | Local |
| 2026-07-08 | BOEING COMMERCIAL AIRPLANE SEATTLE | PCE On-Site Record/Report Review | Local |
| 2026-07-08 | BOEING COMMERCIAL AIRPLANE SEATTLE | FCE On-Site | Local |
| 2026-07-08 | KING COUNTY RNG PROCESSING FACILITY | PCE On-Site Record/Report Review | Local |
| 2026-07-07 | ASH GROVE CEMENT COMPANY | PCE Off-Site | Local |
| 2026-07-02 | UNIVERSITY OF WASHINGTON DBA EHNS | PCE Off-Site | Local |
| 2026-07-01 | ASH GROVE CEMENT COMPANY | PCE Off-Site | Local |
| 2026-07-01 | AEROJET ROCKETDYNE, INC. | PCE Off-Site | Local |
| 2026-06-30 | GLACIER NW, INC. DBA CALPORTLAND | PCE On-Site Record/Report Review | Local |
| 2026-06-24 | CEDAR GROVE COMPOST CO | PCE On-Site Record/Report Review | Local |
| 2026-06-24 | CEDAR GROVE COMPOST CO | PCE On-Site Record/Report Review | Local |
| 2026-06-24 | CEDAR GROVE COMPOST CO | PCE On-Site Record/Report Review | Local |
| 2026-06-24 | CEDAR GROVE COMPOST CO | PCE On-Site Record/Report Review | Local |
| 2026-06-24 | CEDAR GROVE COMPOST CO | PCE On-Site Record/Report Review | Local |
| 2026-06-24 | CEDAR GROVE COMPOST CO | PCE On-Site Record/Report Review | Local |
| 2026-06-18 | CENTRIO (WESTERN) | PCE Off-Site | Local |
| 2026-06-17 | BOEING COMMERCIAL AIRPLANE RENTON | PCE Off-Site | Local |
| 2026-06-17 | BOEING COMMERCIAL AIRPLANE SEATTLE | PCE Off-Site | Local |
| 2026-06-17 | BOEING COMMERCIAL AIRPLANE SEATTLE | PCE Off-Site | Local |
| 2026-06-16 | ASH GROVE CEMENT COMPANY | PCE On-Site Record/Report Review | Local |
| 2026-06-16 | SHELL DISTRIBUTION TERMINAL | PCE On-Site Record/Report Review | Local |
| 2026-06-16 | SHELL DISTRIBUTION TERMINAL | FCE On-Site | Local |
| 2026-06-12 | MCS RECYCLE | PCE On-Site Record/Report Review | Local |
| 2026-06-10 | KING CO SOLID WASTE OP SEC CEDAR HILLS | PCE Off-Site | Local |
| 2026-06-10 | KING CO SOLID WASTE OP SEC CEDAR HILLS | PCE Off-Site | Local |
| 2026-06-10 | KING CO SOLID WASTE OP SEC CEDAR HILLS | PCE Off-Site | Local |
| 2026-06-10 | RENTON STATION | PCE On-Site Record/Report Review | Local |
| 2026-06-09 | PHILLIPS 66 COMPANY - RENTON TERMINAL | PCE Off-Site | Local |
| 2026-06-08 | UNITED STATES BAKERY DBA FRANZ FAMILY BAKERIES, INC | PCE Off-Site | Local |
| 2026-06-05 | KING CO SOLID WASTE OP SEC CEDAR HILLS | PCE Off-Site | Local |
| 2026-06-05 | KING CO SOLID WASTE OP SEC CEDAR HILLS | PCE Off-Site | Local |
| 2026-06-01 | UNIVERSITY OF WASHINGTON DBA EHNS | PCE Off-Site | Local |
| 2026-06-01 | ASH GROVE CEMENT COMPANY | PCE Off-Site | Local |
| 2026-05-29 | SHELL DISTRIBUTION TERMINAL | PCE Off-Site | Local |
| 2026-05-28 | EVERGREEN HEALTHCARE | PCE Off-Site | Local |
| 2026-05-27 | ASH GROVE CEMENT COMPANY | PCE Off-Site | Local |
| 2026-05-19 | LOUIS DREYFUS COMPANY WA LLC | PCE On-Site Record/Report Review | Local |
| 2026-05-19 | LOUIS DREYFUS COMPANY WA LLC | FCE On-Site | Local |
| 2026-05-12 | VIGOR SHIPYARDS, LLC | FCE On-Site | Local |
| 2026-05-12 | VIGOR SHIPYARDS, LLC | PCE On-Site Record/Report Review | Local |
| 2026-05-12 | KING COUNTY WASTEWATER TREATMENT DIVISION WEST POINT TREATMENT PLANT | PCE Off-Site | Local |
| 2026-05-11 | CEDAR GROVE COMPOST CO | PCE Off-Site | Local |
| 2026-05-11 | CEDAR GROVE COMPOST CO | PCE Off-Site | Local |
| 2026-05-11 | CEDAR GROVE COMPOST CO | PCE Off-Site | Local |
| 2026-05-11 | CEDAR GROVE COMPOST CO | PCE Off-Site | Local |
| 2026-05-11 | CEDAR GROVE COMPOST CO | PCE Off-Site | Local |
| 2026-05-11 | CEDAR GROVE COMPOST CO | PCE Off-Site | Local |
| 2026-05-08 | CEDAR GROVE COMPOST CO | PCE Off-Site | Local |
| 2026-05-08 | CENTRIO (WESTERN) | PCE Off-Site | Local |
| 2026-05-08 | ASH GROVE CEMENT COMPANY | PCE Off-Site | Local |
| 2026-05-08 | KMLT LLC HARBOR ISLAND TERMINAL | PCE Off-Site | Local |
| 2026-05-06 | SAFEWAY WAREHOUSE INC DIST CTR #8403 | PCE On-Site Record/Report Review | Local |
| 2026-05-04 | HEXCEL CORPORATION | PCE Off-Site | Local |
| 2026-05-01 | BOEING COMMERCIAL AIRPLANE RENTON | PCE Off-Site | Local |
| 2026-05-01 | ASKO PROCESSING INC | PCE Off-Site | Local |
| 2026-04-29 | UNIVERSITY OF WASHINGTON DBA EHNS | PCE Off-Site | Local |
| 2026-04-28 | UNIVERSITY OF WASHINGTON DBA EHNS | PCE Off-Site | Local |
| 2026-04-27 | HM PACIFIC NORTHWEST, INC. DBA CADMAN MATERIAL INC | FCE On-Site | Local |
| 2026-04-27 | HM PACIFIC NORTHWEST, INC. DBA CADMAN MATERIAL INC | PCE On-Site Record/Report Review | Local |
| 2026-04-24 | BOEING COMMERCIAL AIRPLANE RENTON | PCE Off-Site | Local |
| 2026-04-24 | KING COUNTY WASTEWATER TREATMENT DIVISION WEST POINT TREATMENT PLANT | PCE Off-Site | Local |
| 2026-04-24 | BOEING COMMERCIAL AIRPLANE SEATTLE | PCE Off-Site | Local |
| 2026-04-22 | STONEWAY ROCK & RECYCLING, BLACK RIVER, G MERLINO | PCE Off-Site | Local |
| 2026-04-21 | CENTRIO (WESTERN) | PCE Off-Site | Local |
| 2026-04-21 | CENTRIO (WESTERN) | PCE Off-Site | Local |
| 2026-04-21 | BOEING SPACE CENTER | PCE Off-Site | Local |
| 2026-04-21 | ASKO PROCESSING INC | PCE On-Site Record/Report Review | Local |
| 2026-04-21 | ASKO PROCESSING INC | FCE On-Site | Local |
| 2026-04-21 | BOEING DEVELOPMENTAL CENTER | PCE Off-Site | Local |
| 2026-04-21 | EVERGREEN HEALTHCARE | PCE Off-Site | Local |
| 2026-04-21 | KING COUNTY RNG PROCESSING FACILITY | PCE Off-Site | Local |
| 2026-04-14 | UNIVERSITY OF WASHINGTON DBA EHNS | PCE Off-Site | Local |
| 2026-04-14 | VIGOR SHIPYARDS, LLC | PCE Off-Site | Local |
| 2026-04-13 | BOEING COMMERCIAL AIRPLANE AUBURN | PCE Off-Site | Local |
| 2026-04-13 | BOEING COMMERCIAL AIRPLANE AUBURN | PCE Off-Site | Local |
| 2026-04-13 | KING CO SOLID WASTE OP SEC CEDAR HILLS | PCE Off-Site | Local |
| 2026-04-13 | KING CO SOLID WASTE OP SEC CEDAR HILLS | PCE Off-Site | Local |
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Dates as filed by the agency that recorded the inspection. Figures from EPA’s ICIS-AIR download.