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 |
|---|---|---|---|
| 2026-04-13 | KING CO SOLID WASTE OP SEC CEDAR HILLS | PCE Off-Site | Local |
| 2026-04-09 | FRANZ SEATTLE DIVISION - WELLER ST. | PCE On-Site Record/Report Review | Local |
| 2026-04-09 | FRANZ SEATTLE DIVISION - WELLER ST. | FCE On-Site | Local |
| 2026-04-09 | KING COUNTY RNG PROCESSING FACILITY | PCE Off-Site | Local |
| 2026-04-07 | ASH GROVE CEMENT COMPANY | PCE Off-Site | Local |
| 2026-04-05 | BOEING COMMERCIAL AIRPLANE RENTON | PCE Off-Site | Local |
| 2026-04-05 | BOEING COMMERCIAL AIRPLANE SEATTLE | PCE Off-Site | Local |
| 2026-04-01 | UNIVERSITY OF WASHINGTON DBA EHNS | PCE Off-Site | Local |
| 2026-04-01 | BOEING COMMERCIAL AIRPLANE RENTON | PCE Off-Site | Local |
| 2026-04-01 | ASKO PROCESSING INC | PCE Off-Site | Local |
| 2026-03-30 | ASH GROVE CEMENT COMPANY | PCE Off-Site | Local |
| 2026-03-27 | CERTAINTEED GYPSUM MANUFACTURING INC | FCE On-Site | Local |
| 2026-03-27 | CERTAINTEED GYPSUM MANUFACTURING INC | PCE On-Site Record/Report Review | Local |
| 2026-03-26 | SALMON BAY SAND & GRAVEL CO INC | PCE On-Site Record/Report Review | Local |
| 2026-03-26 | UNIVERSITY OF WASHINGTON DBA EHNS | PCE Off-Site | Local |
| 2026-03-25 | KENWORTH TRUCK CO - RENTON | PCE On-Site Record/Report Review | Local |
| 2026-03-25 | KENWORTH TRUCK CO - RENTON | FCE On-Site | Local |
| 2026-03-23 | KING COUNTY WASTEWATER TREATMENT DIVISION WEST POINT TREATMENT PLANT | PCE Off-Site | Local |
| 2026-03-19 | KING COUNTY WASTEWATER TREATMENT DIVISION WEST POINT TREATMENT PLANT | FCE On-Site | Local |
| 2026-03-19 | KING COUNTY WASTEWATER TREATMENT DIVISION WEST POINT TREATMENT PLANT | PCE On-Site Record/Report Review | Local |
| 2026-03-18 | CEDAR GROVE COMPOST CO | PCE On-Site Record/Report Review | Local |
| 2026-03-17 | BOEING COMMERCIAL AIRPLANE AUBURN | FCE On-Site | Local |
| 2026-03-17 | BOEING COMMERCIAL AIRPLANE AUBURN | PCE On-Site Record/Report Review | Local |
| 2026-03-16 | KMLT LLC HARBOR ISLAND TERMINAL | PCE Off-Site | Local |
| 2026-03-13 | CEDAR GROVE COMPOST CO | PCE Off-Site | Local |
| 2026-03-13 | CEDAR GROVE COMPOST CO | PCE Off-Site | Local |
| 2026-03-12 | CENTRIO (WESTERN) | PCE Off-Site | Local |
| 2026-03-12 | CENTRIO (WESTERN) | PCE Off-Site | Local |
| 2026-03-12 | CENTRIO (WESTERN) | PCE Off-Site | Local |
| 2026-03-12 | CENTRIO (WESTERN) | PCE Off-Site | Local |
| 2026-03-12 | CENTRIO (WESTERN) | PCE Off-Site | Local |
| 2026-03-12 | CENTRIO (POST) | PCE On-Site Record/Report Review | Local |
| 2026-03-12 | CENTRIO (POST) | FCE On-Site | Local |
| 2026-03-12 | GIRARD RESOURCES & RECYCLING LLC | PCE Off-Site | Local |
| 2026-03-11 | CENTRIO (WESTERN) | PCE On-Site Record/Report Review | Local |
| 2026-03-11 | CENTRIO (WESTERN) | FCE On-Site | Local |
| 2026-03-11 | HYTEK FINISHES CO | PCE On-Site Record/Report Review | Local |
| 2026-03-10 | NUCOR STEEL SEATTLE INC | PCE On-Site Record/Report Review | Local |
| 2026-03-10 | NUCOR STEEL SEATTLE INC | FCE On-Site | Local |
| 2026-03-10 | HEXCEL CORPORATION | PCE On-Site Record/Report Review | Local |
| 2026-03-10 | HEXCEL CORPORATION | FCE On-Site | Local |
| 2026-03-09 | CENTRIO (POST) | PCE Off-Site | Local |
| 2026-03-06 | STONEWAY ROCK & RECYCLING, BLACK RIVER, G MERLINO | PCE On-Site Record/Report Review | Local |
| 2026-03-04 | SKILLS PAINT DIV | PCE On-Site Record/Report Review | Local |
| 2026-03-03 | BOEING COMMERCIAL AIRPLANE SEATTLE | PCE Off-Site | Local |
| 2026-03-03 | BOEING COMMERCIAL AIRPLANE SEATTLE | PCE Off-Site | Local |
| 2026-03-03 | BOEING COMMERCIAL AIRPLANE SEATTLE | PCE Off-Site | Local |
| 2026-03-03 | BOEING COMMERCIAL AIRPLANE SEATTLE | PCE Off-Site | Local |
| 2026-03-02 | KING COUNTY WASTEWATER TREATMENT DIVISION WEST POINT TREATMENT PLANT | PCE Off-Site | Local |
| 2026-02-27 | CEDAR GROVE COMPOST CO | PCE On-Site Record/Report Review | Local |
| 2026-02-26 | VIGOR SHIPYARDS, LLC | PCE Off-Site | Local |
| 2026-02-26 | VIGOR SHIPYARDS, LLC | PCE Off-Site | Local |
| 2026-02-25 | UNIVERSITY OF WASHINGTON DBA EHNS | PCE Off-Site | Local |
| 2026-02-25 | WESTERN PNEUMATIC TUBE CO | PCE On-Site Record/Report Review | Local |
| 2026-02-25 | WESTERN PNEUMATIC TUBE CO | FCE On-Site | Local |
| 2026-02-24 | NUCOR STEEL SEATTLE INC | PCE Off-Site | Local |
| 2026-02-24 | NUCOR STEEL SEATTLE INC | PCE Off-Site | Local |
| 2026-02-24 | UNITED STATES BAKERY DBA FRANZ FAMILY BAKERIES, INC | PCE Off-Site | Local |
| 2026-02-24 | UNITED STATES BAKERY DBA FRANZ FAMILY BAKERIES, INC | PCE Off-Site | Local |
| 2026-02-24 | UNITED STATES BAKERY DBA FRANZ FAMILY BAKERIES, INC | PCE Off-Site | Local |
| 2026-02-24 | FRANZ SEATTLE DIVISION - WELLER ST. | PCE Off-Site | Local |
| 2026-02-23 | UNIVERSITY OF WASHINGTON DBA EHNS | PCE Off-Site | Local |
| 2026-02-23 | UNIVERSITY OF WASHINGTON DBA EHNS | PCE Off-Site | Local |
| 2026-02-23 | UNIVERSITY OF WASHINGTON DBA EHNS | PCE Off-Site | Local |
| 2026-02-23 | UNIVERSITY OF WASHINGTON DBA EHNS | PCE Off-Site | Local |
| 2026-02-23 | UNIVERSITY OF WASHINGTON DBA EHNS | PCE Off-Site | Local |
| 2026-02-23 | KING COUNTY WASTEWATER TREATMENT DIVISION WEST POINT TREATMENT PLANT | PCE Off-Site | Local |
| 2026-02-23 | BOEING COMMERCIAL AIRPLANE SEATTLE | PCE Off-Site | Local |
| 2026-02-20 | UNIVERSITY OF WASHINGTON DBA EHNS | PCE Off-Site | Local |
| 2026-02-20 | UNIVERSITY OF WASHINGTON DBA EHNS | PCE Off-Site | Local |
| 2026-02-20 | UNIVERSITY OF WASHINGTON DBA EHNS | PCE Off-Site | Local |
| 2026-02-20 | UNIVERSITY OF WASHINGTON DBA EHNS | PCE Off-Site | Local |
| 2026-02-20 | UNIVERSITY OF WASHINGTON DBA EHNS | PCE Off-Site | Local |
| 2026-02-20 | UNITED STATES BAKERY DBA FRANZ FAMILY BAKERIES, INC | PCE Off-Site | Local |
| 2026-02-19 | CEDAR GROVE COMPOST CO | PCE Off-Site | Local |
| 2026-02-19 | CEDAR GROVE COMPOST CO | PCE Off-Site | Local |
| 2026-02-19 | WESTERN PNEUMATIC TUBE CO | PCE Off-Site | Local |
| 2026-02-19 | WESTERN PNEUMATIC TUBE CO | PCE Off-Site | Local |
| 2026-02-19 | WESTERN PNEUMATIC TUBE CO | PCE Off-Site | Local |
| 2026-02-18 | CEDAR GROVE COMPOST CO | PCE On-Site Record/Report Review | Local |
| 2026-02-18 | CEDAR GROVE COMPOST CO | PCE On-Site Record/Report Review | Local |
| 2026-02-18 | CEDAR GROVE COMPOST CO | PCE On-Site Record/Report Review | Local |
| 2026-02-18 | CEDAR GROVE COMPOST CO | PCE On-Site Record/Report Review | Local |
| 2026-02-18 | CEDAR GROVE COMPOST CO | PCE On-Site Record/Report Review | Local |
| 2026-02-18 | CEDAR GROVE COMPOST CO | PCE On-Site Record/Report Review | Local |
| 2026-02-18 | CEDAR GROVE COMPOST CO | PCE On-Site Record/Report Review | Local |
| 2026-02-18 | CEDAR GROVE COMPOST CO | PCE On-Site Record/Report Review | Local |
| 2026-02-18 | CEDAR GROVE COMPOST CO | PCE On-Site Record/Report Review | Local |
| 2026-02-18 | CEDAR GROVE COMPOST CO | PCE On-Site Record/Report Review | Local |
| 2026-02-18 | CEDAR GROVE COMPOST CO | PCE On-Site Record/Report Review | Local |
| 2026-02-18 | CEDAR GROVE COMPOST CO | PCE On-Site Record/Report Review | Local |
| 2026-02-18 | CEDAR GROVE COMPOST CO | PCE On-Site Record/Report Review | Local |
| 2026-02-18 | CEDAR GROVE COMPOST CO | PCE On-Site Record/Report Review | Local |
| 2026-02-17 | BOEING DEVELOPMENTAL CENTER | PCE Off-Site | Local |
| 2026-02-13 | CENTRIO (WESTERN) | PCE Off-Site | Local |
| 2026-02-13 | CENTRIO (WESTERN) | PCE Off-Site | Local |
| 2026-02-13 | CENTRIO (WESTERN) | PCE Off-Site | Local |
| 2026-02-13 | KENWORTH TRUCK CO - RENTON | PCE Off-Site | Local |
| 2026-02-12 | BOEING COMMERCIAL AIRPLANE AUBURN | PCE Off-Site | Local |
| 2026-02-12 | KING CO. DNRP WASTEWATER TREATMENT | PCE Off-Site | Local |
Dates as filed by the agency that recorded the inspection. Figures from EPA’s ICIS-AIR download.