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 |
|---|---|---|---|---|
| 2026-02-23 | UNIVERSITY OF WASHINGTON DBA EHNS | SEATTLE, King, WA | PCE Off-Site | Local |
| 2026-02-23 | UNIVERSITY OF WASHINGTON DBA EHNS | SEATTLE, King, WA | PCE Off-Site | Local |
| 2026-02-23 | UNIVERSITY OF WASHINGTON DBA EHNS | SEATTLE, King, WA | PCE Off-Site | Local |
| 2026-02-23 | UNIVERSITY OF WASHINGTON DBA EHNS | SEATTLE, King, WA | PCE Off-Site | Local |
| 2026-02-23 | UNIVERSITY OF WASHINGTON DBA EHNS | SEATTLE, King, WA | PCE Off-Site | Local |
| 2026-02-23 | KING COUNTY WASTEWATER TREATMENT DIVISION WEST POINT TREATMENT PLANT | SEATTLE, King, WA | PCE Off-Site | Local |
| 2026-02-23 | BOEING COMMERCIAL AIRPLANE SEATTLE | SEATTLE, King, WA | PCE Off-Site | Local |
| 2026-02-23 | BOEING COMMERCIAL AIRPLANE GROUP - EVERETT — high-priority violation on file | EVERETT, Snohomish, WA | PCE Off-Site | Local |
| 2026-02-20 | UNIVERSITY OF WASHINGTON DBA EHNS | SEATTLE, King, WA | PCE Off-Site | Local |
| 2026-02-20 | UNIVERSITY OF WASHINGTON DBA EHNS | SEATTLE, King, WA | PCE Off-Site | Local |
| 2026-02-20 | UNIVERSITY OF WASHINGTON DBA EHNS | SEATTLE, King, WA | PCE Off-Site | Local |
| 2026-02-20 | UNIVERSITY OF WASHINGTON DBA EHNS | SEATTLE, King, WA | PCE Off-Site | Local |
| 2026-02-20 | UNIVERSITY OF WASHINGTON DBA EHNS | SEATTLE, King, WA | PCE Off-Site | Local |
| 2026-02-20 | UNITED STATES BAKERY DBA FRANZ FAMILY BAKERIES, INC | SEATTLE, King, WA | PCE Off-Site | Local |
| 2026-02-19 | CEDAR GROVE COMPOST CO | MAPLE VALLEY, King, WA | PCE Off-Site | Local |
| 2026-02-19 | CEDAR GROVE COMPOST CO | MAPLE VALLEY, King, WA | PCE Off-Site | Local |
| 2026-02-19 | WESTERN PNEUMATIC TUBE CO | KIRKLAND, King, WA | PCE Off-Site | Local |
| 2026-02-19 | WESTERN PNEUMATIC TUBE CO | KIRKLAND, King, WA | PCE Off-Site | Local |
| 2026-02-19 | WESTERN PNEUMATIC TUBE CO | KIRKLAND, King, WA | PCE Off-Site | Local |
| 2026-02-19 | NAVAL BASE KITSAP AT BREMERTON | BREMERTON, Kitsap, WA | PCE Off-Site | Local |
| 2026-02-19 | US NAVY PUGET SOUND NAVAL SHIPYARD PSNS | BREMERTON, Kitsap, WA | PCE Off-Site | Local |
| 2026-02-19 | US NAVY PUGET SOUND NAVAL SHIPYARD PSNS | BREMERTON, Kitsap, WA | PCE Off-Site | Local |
| 2026-02-19 | US NAVY PUGET SOUND NAVAL SHIPYARD PSNS | BREMERTON, Kitsap, WA | PCE Off-Site | Local |
| 2026-02-19 | US OIL & REFINING CO | TACOMA, Pierce, WA | PCE Off-Site | Local |
| 2026-02-19 | US OIL & REFINING CO | TACOMA, Pierce, WA | PCE Off-Site | Local |
| 2026-02-19 | US OIL & REFINING CO | TACOMA, Pierce, WA | PCE Off-Site | Local |
| 2026-02-19 | MORGAN AERO PRODUCTS | EVERETT, Snohomish, WA | PCE Off-Site | Local |
| 2026-02-19 | COWLITZ COUNTY HEADQUARTERS LANDFILL | CASTLE ROCK, Cowlitz, WA | FCE On-Site | Local |
| 2026-02-18 | WESTROCK LONGVIEW LLC — high-priority violation on file | LONGVIEW, Cowlitz, WA | PCE On-Site | State |
| 2026-02-18 | CEDAR GROVE COMPOST CO | MAPLE VALLEY, King, WA | PCE On-Site Record/Report Review | Local |
| 2026-02-18 | CEDAR GROVE COMPOST CO | MAPLE VALLEY, King, WA | PCE On-Site Record/Report Review | Local |
| 2026-02-18 | CEDAR GROVE COMPOST CO | MAPLE VALLEY, King, WA | PCE On-Site Record/Report Review | Local |
| 2026-02-18 | CEDAR GROVE COMPOST CO | MAPLE VALLEY, King, WA | PCE On-Site Record/Report Review | Local |
| 2026-02-18 | CEDAR GROVE COMPOST CO | MAPLE VALLEY, King, WA | PCE On-Site Record/Report Review | Local |
| 2026-02-18 | CEDAR GROVE COMPOST CO | MAPLE VALLEY, King, WA | PCE On-Site Record/Report Review | Local |
| 2026-02-18 | CEDAR GROVE COMPOST CO | MAPLE VALLEY, King, WA | PCE On-Site Record/Report Review | Local |
| 2026-02-18 | CEDAR GROVE COMPOST CO | MAPLE VALLEY, King, WA | PCE On-Site Record/Report Review | Local |
| 2026-02-18 | CEDAR GROVE COMPOST CO | MAPLE VALLEY, King, WA | PCE On-Site Record/Report Review | Local |
| 2026-02-18 | CEDAR GROVE COMPOST CO | MAPLE VALLEY, King, WA | PCE On-Site Record/Report Review | Local |
| 2026-02-18 | CEDAR GROVE COMPOST CO | MAPLE VALLEY, King, WA | PCE On-Site Record/Report Review | Local |
| 2026-02-18 | CEDAR GROVE COMPOST CO | MAPLE VALLEY, King, WA | PCE On-Site Record/Report Review | Local |
| 2026-02-18 | CEDAR GROVE COMPOST CO | MAPLE VALLEY, King, WA | PCE On-Site Record/Report Review | Local |
| 2026-02-18 | CEDAR GROVE COMPOST CO | MAPLE VALLEY, King, WA | PCE On-Site Record/Report Review | Local |
| 2026-02-18 | US OIL & REFINING CO | TACOMA, Pierce, WA | PCE Off-Site | Local |
| 2026-02-18 | US OIL & REFINING CO | TACOMA, Pierce, WA | PCE Off-Site | Local |
| 2026-02-18 | US OIL & REFINING CO | TACOMA, Pierce, WA | PCE Off-Site | Local |
| 2026-02-18 | US OIL & REFINING CO | TACOMA, Pierce, WA | PCE Off-Site | Local |
| 2026-02-18 | US OIL & REFINING CO | TACOMA, Pierce, WA | PCE Off-Site | Local |
| 2026-02-18 | US OIL & REFINING CO | TACOMA, Pierce, WA | PCE Off-Site | Local |
| 2026-02-18 | US OIL & REFINING CO | TACOMA, Pierce, WA | PCE Off-Site | Local |
| 2026-02-18 | US OIL & REFINING CO | TACOMA, Pierce, WA | PCE Off-Site | Local |
| 2026-02-18 | US OIL & REFINING CO | TACOMA, Pierce, WA | PCE Off-Site | Local |
| 2026-02-17 | WESTROCK LONGVIEW LLC — high-priority violation on file | LONGVIEW, Cowlitz, WA | PCE On-Site | State |
| 2026-02-17 | BOEING DEVELOPMENTAL CENTER | TUKWILA, King, WA | PCE Off-Site | Local |
| 2026-02-17 | US OIL & REFINING CO | TACOMA, Pierce, WA | PCE Off-Site | Local |
| 2026-02-17 | US OIL & REFINING CO | TACOMA, Pierce, WA | PCE Off-Site | Local |
| 2026-02-17 | US OIL & REFINING CO | TACOMA, Pierce, WA | PCE Off-Site | Local |
| 2026-02-13 | CARLISLE CONSTRUCTION MATERIALS INCORPORATED | PUYALLUP, Pierce, WA | PCE Off-Site | Local |
| 2026-02-13 | CARLISLE CONSTRUCTION MATERIALS INCORPORATED | PUYALLUP, Pierce, WA | PCE Off-Site | Local |
| 2026-02-13 | CARLISLE CONSTRUCTION MATERIALS INCORPORATED | PUYALLUP, Pierce, WA | PCE Off-Site | Local |
| 2026-02-13 | CENTRIO (WESTERN) | SEATTLE, King, WA | PCE Off-Site | Local |
| 2026-02-13 | CENTRIO (WESTERN) | SEATTLE, King, WA | PCE Off-Site | Local |
| 2026-02-13 | CENTRIO (WESTERN) | SEATTLE, King, WA | PCE Off-Site | Local |
| 2026-02-13 | KENWORTH TRUCK CO - RENTON | RENTON, King, WA | PCE Off-Site | Local |
| 2026-02-13 | NAVAL BASE KITSAP AT BANGOR | SILVERDALE, Kitsap, WA | PCE Off-Site | Local |
| 2026-02-13 | US OIL & REFINING CO | TACOMA, Pierce, WA | PCE Off-Site | Local |
| 2026-02-12 | ARCHAEA ENERGY INC DBA. EMERALD CITY RENEWABLES LLC | GRAHAM, Pierce, WA | PCE Off-Site | Local |
| 2026-02-12 | BOEING COMMERCIAL AIRPLANE AUBURN | AUBURN, King, WA | PCE Off-Site | Local |
| 2026-02-12 | KING CO. DNRP WASTEWATER TREATMENT | RENTON, King, WA | PCE Off-Site | Local |
| 2026-02-11 | MACKENZIE SPECIALTY CASTINGS INC | ARLINGTON, Snohomish, WA | PCE Off-Site | Local |
| 2026-02-11 | DELTA MARINE INDUSTRIES INC | SEATTLE, King, WA | PCE On-Site Record/Report Review | Local |
| 2026-02-11 | DELTA MARINE INDUSTRIES INC | SEATTLE, King, WA | FCE On-Site | Local |
| 2026-02-11 | GEORGIA-PACIFIC - CONSUMER OPERATIONS | CAMAS, Clark, WA | FCE On-Site | Local |
| 2026-02-10 | WESTROCK LONGVIEW LLC — high-priority violation on file | LONGVIEW, Cowlitz, WA | PCE On-Site | State |
| 2026-02-10 | US NAVY PUGET SOUND NAVAL SHIPYARD PSNS | BREMERTON, Kitsap, WA | PCE Off-Site | Local |
| 2026-02-10 | US NAVY PUGET SOUND NAVAL SHIPYARD PSNS | BREMERTON, Kitsap, WA | PCE Off-Site | Local |
| 2026-02-10 | RAINIER PLYWOOD COMPANY DBA RAINIER RICHLITE CO | TACOMA, Pierce, WA | PCE Off-Site | Local |
| 2026-02-10 | SHORE TERMINALS LLC DBA SUNOCO LP | TACOMA, Pierce, WA | PCE Off-Site | Local |
| 2026-02-10 | SHORE TERMINALS LLC DBA SUNOCO LP | TACOMA, Pierce, WA | PCE Off-Site | Local |
| 2026-02-10 | CANYON CREEK CABINET CO | MONROE, Snohomish, WA | PCE On-Site Record/Report Review | Local |
| 2026-02-10 | THOMPSON METAL FABRICATION | VANCOUVER, Clark, WA | FCE On-Site | Local |
| 2026-02-09 | PUGET SOUND ENERGY FREDERICKSON | TACOMA, Pierce, WA | PCE Off-Site | Local |
| 2026-02-06 | DTG ENTERPRISES, INC. DBA DTG RECYCLE | SNOHOMISH, Snohomish, WA | PCE On-Site Record/Report Review | Local |
| 2026-02-06 | DTG ENTERPRISES, INC. DBA DTG RECYCLE | SNOHOMISH, Snohomish, WA | PCE On-Site Record/Report Review | Local |
| 2026-02-06 | DTG ENTERPRISES, INC. DBA DTG RECYCLE | SNOHOMISH, Snohomish, WA | PCE On-Site Record/Report Review | Local |
| 2026-02-06 | DTG ENTERPRISES, INC. DBA DTG RECYCLE | SNOHOMISH, Snohomish, WA | PCE On-Site Record/Report Review | Local |
| 2026-02-06 | DTG ENTERPRISES, INC. DBA DTG RECYCLE | SNOHOMISH, Snohomish, WA | PCE On-Site Record/Report Review | Local |
| 2026-02-05 | OATH HOLDINGS INCORPORATED DATA CENTER | QUINCY, Grant, WA | FCE On-Site | State |
| 2026-02-05 | CEDAR GROVE COMPOSTING, INC | EVERETT, Snohomish, WA | PCE Off-Site | Local |
| 2026-02-05 | CEDAR GROVE COMPOST CO | MAPLE VALLEY, King, WA | PCE Off-Site | Local |
| 2026-02-05 | NUCOR STEEL SEATTLE INC | SEATTLE, King, WA | PCE Off-Site | Local |
| 2026-02-05 | NUCOR STEEL SEATTLE INC | SEATTLE, King, WA | PCE Off-Site | Local |
| 2026-02-05 | NORTH STAR CASTEEL PRODUCTS, INC. | SEATTLE, King, WA | PCE On-Site Record/Report Review | Local |
| 2026-02-05 | PHILLIPS 66 COMPANY - RENTON TERMINAL | RENTON, King, WA | FCE On-Site | Local |
| 2026-02-05 | PHILLIPS 66 COMPANY - RENTON TERMINAL | RENTON, King, WA | PCE On-Site Record/Report Review | Local |
| 2026-02-05 | BOEING COMMERCIAL AIRPLANE, FREDERICKSON | PUYALLUP, Pierce, WA | FCE On-Site | Local |
| 2026-02-05 | BOEING COMMERCIAL AIRPLANE, FREDERICKSON | PUYALLUP, Pierce, WA | PCE On-Site Record/Report Review | Local |
| 2026-02-05 | CANYON CREEK CABINET CO | MONROE, Snohomish, WA | PCE On-Site Record/Report Review | Local |
| 2026-02-05 | CANYON CREEK CABINET CO | MONROE, Snohomish, WA | FCE On-Site | Local |
| 2026-02-05 | GEORGIA-PACIFIC - CONSUMER OPERATIONS | CAMAS, Clark, WA | PCE Off-Site | Local |
Dates as filed by the agency that recorded the inspection. Figures from EPA’s ICIS-AIR download.