EPA Air · inspections by county and year
Air-emissions inspections in King County, Washington, 2025
- 756Inspections
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 2025. 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, 2025
- Stack tests 25
Air-emissions inspections in King County, other years
Air-emissions inspections recorded in King County, Washington, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-10-08 | BOEING DEVELOPMENTAL CENTER | PCE Off-Site | Local |
| 2025-10-07 | CEDAR GROVE COMPOST CO | PCE Off-Site | Local |
| 2025-10-07 | CEDAR GROVE COMPOST CO | PCE Off-Site | Local |
| 2025-10-07 | UNIVERSITY OF WASHINGTON DBA EHNS | PCE Off-Site | Local |
| 2025-10-07 | KING COUNTY WASTEWATER TREATMENT DIVISION WEST POINT TREATMENT PLANT | PCE Off-Site | Local |
| 2025-10-03 | BOEING COMMERCIAL AIRPLANE AUBURN | PCE Off-Site | Local |
| 2025-10-03 | BOEING COMMERCIAL AIRPLANE AUBURN | PCE Off-Site | Local |
| 2025-10-03 | BOEING COMMERCIAL AIRPLANE AUBURN | PCE Off-Site | Local |
| 2025-10-03 | BOEING COMMERCIAL AIRPLANE AUBURN | PCE Off-Site | Local |
| 2025-10-03 | BOEING COMMERCIAL AIRPLANE AUBURN | PCE Off-Site | Local |
| 2025-10-02 | UNIVERSITY OF WASHINGTON DBA EHNS | PCE Off-Site | Local |
| 2025-10-02 | UNIVERSITY OF WASHINGTON DBA EHNS | PCE Off-Site | Local |
| 2025-10-02 | KING COUNTY WASTEWATER TREATMENT DIVISION WEST POINT TREATMENT PLANT | PCE Off-Site | Local |
| 2025-10-02 | KMLT LLC HARBOR ISLAND TERMINAL | PCE Off-Site | Local |
| 2025-10-02 | SHELL DISTRIBUTION TERMINAL | PCE Off-Site | Local |
| 2025-10-01 | FRANZ SEATTLE DIVISION - WELLER ST. | PCE Off-Site | Local |
| 2025-09-30 | ASH GROVE CEMENT COMPANY | PCE Off-Site | Local |
| 2025-09-30 | PHILLIPS 66 COMPANY - RENTON TERMINAL | PCE Off-Site | Local |
| 2025-09-26 | HM PACIFIC NORTHWEST, INC. DBA CADMAN MATERIAL INC | PCE Off-Site | Local |
| 2025-09-26 | HM PACIFIC NORTHWEST, INC. DBA CADMAN MATERIAL INC | PCE Off-Site | Local |
| 2025-09-24 | SHELL DISTRIBUTION TERMINAL | PCE Off-Site | Local |
| 2025-09-23 | CEDAR GROVE COMPOST CO | PCE On-Site Record/Report Review | Local |
| 2025-09-23 | CEDAR GROVE COMPOST CO | PCE On-Site Record/Report Review | Local |
| 2025-09-23 | CEDAR GROVE COMPOST CO | PCE On-Site Record/Report Review | Local |
| 2025-09-23 | CEDAR GROVE COMPOST CO | PCE On-Site Record/Report Review | Local |
| 2025-09-23 | CEDAR GROVE COMPOST CO | PCE On-Site Record/Report Review | Local |
| 2025-09-23 | CEDAR GROVE COMPOST CO | PCE On-Site Record/Report Review | Local |
| 2025-09-23 | CEDAR GROVE COMPOST CO | PCE On-Site Record/Report Review | Local |
| 2025-09-23 | CEDAR GROVE COMPOST CO | PCE On-Site Record/Report Review | Local |
| 2025-09-23 | CEDAR GROVE COMPOST CO | PCE On-Site Record/Report Review | Local |
| 2025-09-23 | CADMAN DBA HEIDELBERG MATERIALS | PCE On-Site Record/Report Review | Local |
| 2025-09-23 | CORLISS RESOURCES INC DBA HEIDELBERG MATERIALS | PCE On-Site Record/Report Review | Local |
| 2025-09-22 | CEDAR GROVE COMPOST CO | PCE Off-Site | Local |
| 2025-09-17 | PHILLIPS 66 COMPANY - RENTON TERMINAL | PCE Off-Site | Local |
| 2025-09-16 | KMLT LLC HARBOR ISLAND TERMINAL | PCE Off-Site | Local |
| 2025-09-16 | SHELL DISTRIBUTION TERMINAL | PCE Off-Site | Local |
| 2025-09-12 | MCS RECYCLE | PCE On-Site Record/Report Review | Local |
| 2025-09-12 | CEDAR GROVE COMPOST CO | PCE Off-Site | Local |
| 2025-09-12 | CEDAR GROVE COMPOST CO | PCE Off-Site | Local |
| 2025-09-11 | FRANZ SEATTLE DIVISION - WELLER ST. | PCE Off-Site | Local |
| 2025-09-09 | BOEING COMMERCIAL AIRPLANE RENTON | PCE On-Site Record/Report Review | Local |
| 2025-09-09 | BOEING COMMERCIAL AIRPLANE RENTON | FCE On-Site | Local |
| 2025-09-05 | BOEING COMMERCIAL AIRPLANE RENTON | PCE Off-Site | Local |
| 2025-09-05 | BOEING COMMERCIAL AIRPLANE RENTON | PCE Off-Site | Local |
| 2025-09-05 | VALMET INC | PCE On-Site Record/Report Review | Local |
| 2025-09-04 | BOEING DEVELOPMENTAL CENTER | PCE Off-Site | Local |
| 2025-09-03 | BOEING COMMERCIAL AIRPLANE SEATTLE | PCE Off-Site | Local |
| 2025-09-03 | BOEING COMMERCIAL AIRPLANE SEATTLE | PCE Off-Site | Local |
| 2025-09-02 | UNIVERSITY OF WASHINGTON DBA EHNS | PCE Off-Site | Local |
| 2025-09-02 | ASH GROVE CEMENT COMPANY | PCE Off-Site | Local |
| 2025-09-02 | FRANZ SEATTLE DIVISION - WELLER ST. | PCE Off-Site | Local |
| 2025-09-02 | CADMAN GRAVEL CO | PCE On-Site Record/Report Review | Local |
| 2025-09-02 | BOEING COMMERCIAL AIRPLANE SEATTLE | PCE Off-Site | Local |
| 2025-08-28 | CEDAR GROVE COMPOST CO | PCE On-Site Record/Report Review | Local |
| 2025-08-28 | CENTRIO (WESTERN) | PCE Off-Site | Local |
| 2025-08-28 | CENTRIO (WESTERN) | PCE Off-Site | Local |
| 2025-08-28 | FRANZ SEATTLE DIVISION - WELLER ST. | PCE Off-Site | Local |
| 2025-08-27 | BOEING SPACE CENTER | PCE Off-Site | Local |
| 2025-08-27 | BOEING DEVELOPMENTAL CENTER | PCE Off-Site | Local |
| 2025-08-27 | MYSTIC SHEETS DBA GRAPHIC SHEETS | PCE On-Site Record/Report Review | Local |
| 2025-08-22 | KANGLEY SAND & GRAVEL, G MERLINO | PCE On-Site Record/Report Review | Local |
| 2025-08-21 | ASH GROVE CEMENT COMPANY | PCE Off-Site | Local |
| 2025-08-19 | KING COUNTY WASTEWATER TREATMENT DIVISION WEST POINT TREATMENT PLANT | PCE Off-Site | Local |
| 2025-08-18 | EVERGREEN HEALTHCARE | PCE Off-Site | Local |
| 2025-08-15 | CADMAN MATERIALS, INC. (CADMAN) | PCE On-Site Record/Report Review | Local |
| 2025-08-14 | CEDAR GROVE COMPOST CO | PCE Off-Site | Local |
| 2025-08-14 | CEDAR GROVE COMPOST CO | PCE Off-Site | Local |
| 2025-08-14 | FRED HUTCHINSON CANCER RESEARCH CENTER | PCE Off-Site | Local |
| 2025-08-12 | BOEING COMMERCIAL AIRPLANE RENTON | PCE Off-Site | Local |
| 2025-08-11 | CEDAR GROVE COMPOST CO | PCE Off-Site | Local |
| 2025-08-11 | BOEING DEVELOPMENTAL CENTER | PCE Off-Site | Local |
| 2025-08-08 | LINDE ADVANCED MATERIALS TECHNOLOGIES | PCE On-Site Record/Report Review | Local |
| 2025-08-07 | AEROJET ROCKETDYNE, INC. | PCE Off-Site | Local |
| 2025-08-06 | CEDAR GROVE COMPOST CO | PCE On-Site Record/Report Review | Local |
| 2025-08-06 | KING CO SOLID WASTE OP SEC CEDAR HILLS | PCE Off-Site | Local |
| 2025-08-04 | ASH GROVE CEMENT COMPANY | PCE Off-Site | Local |
| 2025-08-04 | ASH GROVE CEMENT COMPANY | PCE Off-Site | Local |
| 2025-08-04 | ASH GROVE CEMENT COMPANY | PCE Off-Site | Local |
| 2025-08-04 | ASH GROVE CEMENT COMPANY | PCE Off-Site | Local |
| 2025-08-04 | ASH GROVE CEMENT COMPANY | PCE Off-Site | Local |
| 2025-08-04 | ASH GROVE CEMENT COMPANY | PCE Off-Site | Local |
| 2025-08-04 | GLACIER NW, INC. DBA CALPORTLAND | PCE On-Site Record/Report Review | Local |
| 2025-08-04 | UNITED STATES BAKERY DBA FRANZ FAMILY BAKERIES, INC | PCE Off-Site | Local |
| 2025-08-04 | SEAPORT MIDSTREAM PARTNERS LLC | PCE Off-Site | Local |
| 2025-08-04 | ICON MATERIALS | PCE On-Site Record/Report Review | Local |
| 2025-08-04 | ICON MATERIALS | FCE On-Site | Local |
| 2025-08-04 | CADMAN MATERIALS, INC. (CADMAN) | PCE Off-Site | Local |
| 2025-08-01 | UNIVERSITY OF WASHINGTON DBA EHNS | PCE Off-Site | Local |
| 2025-08-01 | UNIVERSITY OF WASHINGTON DBA EHNS | PCE Off-Site | Local |
| 2025-07-31 | UNIVERSITY OF WASHINGTON DBA EHNS | PCE Off-Site | Local |
| 2025-07-31 | UNIVERSITY OF WASHINGTON DBA EHNS | PCE Off-Site | Local |
| 2025-07-31 | ASH GROVE CEMENT COMPANY | PCE Off-Site | Local |
| 2025-07-31 | KING CO SOLID WASTE OP SEC CEDAR HILLS | PCE Off-Site | Local |
| 2025-07-31 | KING CO SOLID WASTE OP SEC CEDAR HILLS | PCE Off-Site | Local |
| 2025-07-31 | DYNO BATTERY INC. | PCE On-Site Record/Report Review | Local |
| 2025-07-31 | SEACAST INC | PCE Off-Site | Local |
| 2025-07-31 | LAKESIDE INDUSTRIES INC #32 | PCE Off-Site | Local |
| 2025-07-30 | CEDAR GROVE COMPOST CO | PCE On-Site Record/Report Review | Local |
| 2025-07-30 | CEDAR GROVE COMPOST CO | PCE On-Site Record/Report Review | Local |
| 2025-07-30 | CEDAR GROVE COMPOST CO | PCE On-Site Record/Report Review | Local |
Dates as filed by the agency that recorded the inspection. Figures from EPA’s ICIS-AIR download.