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 |
|---|---|---|---|---|
| 2026-03-27 | CERTAINTEED GYPSUM MANUFACTURING INC | SEATTLE, King, WA | PCE On-Site Record/Report Review | Local |
| 2026-03-27 | US OIL & REFINING CO | TACOMA, Pierce, WA | PCE Off-Site | Local |
| 2026-03-26 | SALMON BAY SAND & GRAVEL CO INC | SEATTLE, King, WA | PCE On-Site Record/Report Review | Local |
| 2026-03-26 | UNIVERSITY OF WASHINGTON DBA EHNS | SEATTLE, King, WA | PCE Off-Site | Local |
| 2026-03-26 | US OIL & REFINING CO | TACOMA, Pierce, WA | PCE Off-Site | Local |
| 2026-03-26 | US OIL & REFINING CO | TACOMA, Pierce, WA | PCE Off-Site | Local |
| 2026-03-26 | US OIL & REFINING CO | TACOMA, Pierce, WA | PCE Off-Site | Local |
| 2026-03-26 | US OIL & REFINING CO | TACOMA, Pierce, WA | PCE Off-Site | Local |
| 2026-03-26 | US OIL & REFINING CO | TACOMA, Pierce, WA | PCE Off-Site | Local |
| 2026-03-26 | MERCURY PLASTICS, INC | VANCOUVER, Clark, WA | FCE On-Site | Local |
| 2026-03-26 | MERCURY PLASTICS, INC | VANCOUVER, Clark, WA | PCE Off-Site | Local |
| 2026-03-25 | KENWORTH TRUCK CO - RENTON | RENTON, King, WA | PCE On-Site Record/Report Review | Local |
| 2026-03-25 | KENWORTH TRUCK CO - RENTON | RENTON, King, WA | FCE On-Site | Local |
| 2026-03-24 | NIPPON DYNAWAVE PACKAGING COMPANY LLC — high-priority violation on file | LONGVIEW, Cowlitz, WA | PCE On-Site | State |
| 2026-03-24 | GENERAL METALS OF TACOMA, INC. | TACOMA, Pierce, WA | PCE On-Site Record/Report Review | Local |
| 2026-03-24 | AVIATION TECHNICAL SERVICES INC | EVERETT, Snohomish, WA | FCE On-Site | Local |
| 2026-03-24 | AVIATION TECHNICAL SERVICES INC | EVERETT, Snohomish, WA | PCE On-Site Record/Report Review | Local |
| 2026-03-23 | KING COUNTY WASTEWATER TREATMENT DIVISION WEST POINT TREATMENT PLANT | SEATTLE, King, WA | PCE Off-Site | Local |
| 2026-03-23 | WASTE TO ENERGY | SPOKANE, Spokane, WA | FCE On-Site | Local |
| 2026-03-23 | MINT FARM GENERATION, LLC. | LONGVIEW, Cowlitz, WA | PCE Off-Site | Local |
| 2026-03-19 | KING COUNTY WASTEWATER TREATMENT DIVISION WEST POINT TREATMENT PLANT | SEATTLE, King, WA | FCE On-Site | Local |
| 2026-03-19 | KING COUNTY WASTEWATER TREATMENT DIVISION WEST POINT TREATMENT PLANT | SEATTLE, King, WA | PCE On-Site Record/Report Review | Local |
| 2026-03-19 | SIERRA PACIFIC, INDUSTRIES | CENTRALIA, Lewis, WA | PCE Off-Site | Local |
| 2026-03-18 | CEDAR GROVE COMPOSTING, INC | EVERETT, Snohomish, WA | PCE Off-Site | Local |
| 2026-03-18 | CEDAR GROVE COMPOST CO | MAPLE VALLEY, King, WA | PCE On-Site Record/Report Review | Local |
| 2026-03-18 | US OIL & REFINING CO | TACOMA, Pierce, WA | PCE Off-Site | Local |
| 2026-03-18 | US OIL & REFINING CO | TACOMA, Pierce, WA | PCE Off-Site | Local |
| 2026-03-18 | HAMPTON LUMBER MILLS - RANDLE — high-priority violation on file | RANDLE, Lewis, WA | PCE Off-Site | Local |
| 2026-03-17 | BOEING COMMERCIAL AIRPLANE AUBURN | AUBURN, King, WA | FCE On-Site | Local |
| 2026-03-17 | BOEING COMMERCIAL AIRPLANE AUBURN | AUBURN, King, WA | PCE On-Site Record/Report Review | Local |
| 2026-03-17 | ALON ASPHALT USA | SHORELINE, Snohomish, WA | PCE On-Site Record/Report Review | Local |
| 2026-03-17 | ALON ASPHALT USA | SHORELINE, Snohomish, WA | FCE On-Site | Local |
| 2026-03-17 | HAMPTON LUMBER MILLS - MORTON | MORTON, Lewis, WA | FCE On-Site | Local |
| 2026-03-16 | KMLT LLC HARBOR ISLAND TERMINAL | SEATTLE, King, WA | PCE Off-Site | Local |
| 2026-03-13 | CEDAR GROVE COMPOST CO | MAPLE VALLEY, King, WA | PCE Off-Site | Local |
| 2026-03-13 | CEDAR GROVE COMPOST CO | MAPLE VALLEY, King, WA | PCE Off-Site | Local |
| 2026-03-13 | LENZ ENTERPRISES INC | STANWOOD, Snohomish, WA | PCE Off-Site | Local |
| 2026-03-13 | US OIL & REFINING CO | TACOMA, Pierce, WA | PCE Off-Site | Local |
| 2026-03-13 | US OIL & REFINING CO | TACOMA, Pierce, WA | PCE Off-Site | Local |
| 2026-03-13 | HAMPTON LUMBER MILLS-WASHINGTON INC | DARRINGTON, Snohomish, WA | PCE Off-Site | Local |
| 2026-03-13 | HAMPTON LUMBER MILLS-WASHINGTON INC | DARRINGTON, Snohomish, WA | PCE Off-Site | Local |
| 2026-03-12 | ALTA FOREST PRODUCTS | SHELTON, Mason, WA | FCE On-Site | Local |
| 2026-03-12 | CENTRIO (WESTERN) | SEATTLE, King, WA | PCE Off-Site | Local |
| 2026-03-12 | CENTRIO (WESTERN) | SEATTLE, King, WA | PCE Off-Site | Local |
| 2026-03-12 | CENTRIO (WESTERN) | SEATTLE, King, WA | PCE Off-Site | Local |
| 2026-03-12 | CENTRIO (WESTERN) | SEATTLE, King, WA | PCE Off-Site | Local |
| 2026-03-12 | CENTRIO (WESTERN) | SEATTLE, King, WA | PCE Off-Site | Local |
| 2026-03-12 | CENTRIO (POST) | SEATTLE, King, WA | PCE On-Site Record/Report Review | Local |
| 2026-03-12 | CENTRIO (POST) | SEATTLE, King, WA | FCE On-Site | Local |
| 2026-03-12 | GIRARD RESOURCES & RECYCLING LLC | COVINGTON, King, WA | PCE Off-Site | Local |
| 2026-03-12 | US OIL & REFINING CO | TACOMA, Pierce, WA | PCE Off-Site | Local |
| 2026-03-12 | US OIL & REFINING CO | TACOMA, Pierce, WA | PCE Off-Site | Local |
| 2026-03-12 | US OIL & REFINING CO | TACOMA, Pierce, WA | PCE Off-Site | Local |
| 2026-03-12 | PIERCE CO RECYCLING COMPOSTING AND DISPOSAL, LLC DBA LRI — high-priority violation on file | GRAHAM, Pierce, WA | PCE Off-Site | Local |
| 2026-03-12 | ALON ASPHALT USA | SHORELINE, Snohomish, WA | PCE Off-Site | Local |
| 2026-03-12 | ALON ASPHALT USA | SHORELINE, Snohomish, WA | PCE Off-Site | Local |
| 2026-03-12 | HAMPTON LUMBER MILLS-WASHINGTON INC | DARRINGTON, Snohomish, WA | PCE Off-Site | Local |
| 2026-03-11 | WASHINGTON BEEF LLC | TOPPENISH, Yakima, WA | PCE On-Site | U.S. EPA |
| 2026-03-11 | JENSEN PRECAST | SHELTON, Mason, WA | FCE On-Site | Local |
| 2026-03-11 | CENTRIO (WESTERN) | SEATTLE, King, WA | PCE On-Site Record/Report Review | Local |
| 2026-03-11 | CENTRIO (WESTERN) | SEATTLE, King, WA | FCE On-Site | Local |
| 2026-03-11 | HYTEK FINISHES CO | KENT, King, WA | PCE On-Site Record/Report Review | Local |
| 2026-03-10 | NUCOR STEEL SEATTLE INC | SEATTLE, King, WA | PCE On-Site Record/Report Review | Local |
| 2026-03-10 | NUCOR STEEL SEATTLE INC | SEATTLE, King, WA | FCE On-Site | Local |
| 2026-03-10 | HEXCEL CORPORATION | KENT, King, WA | PCE On-Site Record/Report Review | Local |
| 2026-03-10 | HEXCEL CORPORATION | KENT, King, WA | FCE On-Site | Local |
| 2026-03-09 | CENTRIO (POST) | SEATTLE, King, WA | PCE Off-Site | Local |
| 2026-03-06 | STONEWAY ROCK & RECYCLING, BLACK RIVER, G MERLINO | RENTON, King, WA | PCE On-Site Record/Report Review | Local |
| 2026-03-04 | FLUID MOTION LLC | ARLINGTON, Snohomish, WA | PCE Off-Site | Local |
| 2026-03-04 | SKILLS PAINT DIV | AUBURN, King, WA | PCE On-Site Record/Report Review | Local |
| 2026-03-04 | VULCAN METALS CORP | TACOMA, Pierce, WA | PCE Off-Site | Local |
| 2026-03-04 | CITY OF VANCOUVER / WESTSIDE WASTEWATER TREATMENT PLANT — high-priority violation on file | VANCOUVER, Clark, WA | FCE On-Site | Local |
| 2026-03-04 | NORTH PACIFIC PAPER CORP. — high-priority violation on file | LONGVIEW, Cowlitz, WA | FCE On-Site | Local |
| 2026-03-03 | FLUID MOTION LLC | ARLINGTON, Snohomish, WA | PCE On-Site Record/Report Review | Local |
| 2026-03-03 | FLUID MOTION LLC | ARLINGTON, Snohomish, WA | FCE On-Site | Local |
| 2026-03-03 | BOEING COMMERCIAL AIRPLANE SEATTLE | SEATTLE, King, WA | PCE Off-Site | Local |
| 2026-03-03 | BOEING COMMERCIAL AIRPLANE SEATTLE | SEATTLE, King, WA | PCE Off-Site | Local |
| 2026-03-03 | BOEING COMMERCIAL AIRPLANE SEATTLE | SEATTLE, King, WA | PCE Off-Site | Local |
| 2026-03-03 | BOEING COMMERCIAL AIRPLANE SEATTLE | SEATTLE, King, WA | PCE Off-Site | Local |
| 2026-03-03 | PUGET SOUND ENERGY (WA NATURAL GAS) | CHEHALIS, Lewis, WA | FCE On-Site | Local |
| 2026-03-02 | PORT TOWNSEND PAPER CORPORATION — high-priority violation on file | PORT TOWNSEND, Jefferson, WA | PCE On-Site | State |
| 2026-03-02 | CEDAR GROVE COMPOSTING, INC | EVERETT, Snohomish, WA | PCE Off-Site | Local |
| 2026-03-02 | ARCHAEA ENERGY INC DBA. EMERALD CITY RENEWABLES LLC | GRAHAM, Pierce, WA | PCE On-Site Record/Report Review | Local |
| 2026-03-02 | ARCHAEA ENERGY INC DBA. EMERALD CITY RENEWABLES LLC | GRAHAM, Pierce, WA | FCE On-Site | Local |
| 2026-03-02 | KING COUNTY WASTEWATER TREATMENT DIVISION WEST POINT TREATMENT PLANT | SEATTLE, King, WA | PCE Off-Site | Local |
| 2026-03-02 | PIERCE CO RECYCLING COMPOSTING AND DISPOSAL, LLC DBA LRI — high-priority violation on file | GRAHAM, Pierce, WA | PCE On-Site Record/Report Review | Local |
| 2026-03-02 | PIERCE CO RECYCLING COMPOSTING AND DISPOSAL, LLC DBA LRI — high-priority violation on file | GRAHAM, Pierce, WA | FCE On-Site | Local |
| 2026-02-27 | CEDAR GROVE COMPOST CO | MAPLE VALLEY, King, WA | PCE On-Site Record/Report Review | Local |
| 2026-02-26 | VIGOR SHIPYARDS, LLC | SEATTLE, King, WA | PCE Off-Site | Local |
| 2026-02-26 | VIGOR SHIPYARDS, LLC | SEATTLE, King, WA | PCE Off-Site | Local |
| 2026-02-25 | UNIVERSITY OF WASHINGTON DBA EHNS | SEATTLE, King, WA | PCE Off-Site | Local |
| 2026-02-25 | WESTERN PNEUMATIC TUBE CO | KIRKLAND, King, WA | PCE On-Site Record/Report Review | Local |
| 2026-02-25 | WESTERN PNEUMATIC TUBE CO | KIRKLAND, King, WA | FCE On-Site | Local |
| 2026-02-24 | NUCOR STEEL SEATTLE INC | SEATTLE, King, WA | PCE Off-Site | Local |
| 2026-02-24 | NUCOR STEEL SEATTLE INC | SEATTLE, King, WA | PCE Off-Site | Local |
| 2026-02-24 | UNITED STATES BAKERY DBA FRANZ FAMILY BAKERIES, INC | SEATTLE, King, WA | PCE Off-Site | Local |
| 2026-02-24 | UNITED STATES BAKERY DBA FRANZ FAMILY BAKERIES, INC | SEATTLE, King, WA | PCE Off-Site | Local |
| 2026-02-24 | UNITED STATES BAKERY DBA FRANZ FAMILY BAKERIES, INC | SEATTLE, King, WA | PCE Off-Site | Local |
| 2026-02-24 | FRANZ SEATTLE DIVISION - WELLER ST. | SEATTLE, King, WA | PCE Off-Site | Local |
| 2026-02-24 | CARDINAL FG COMPANY | WINLOCK, Lewis, WA | PCE Off-Site | Local |
Dates as filed by the agency that recorded the inspection. Figures from EPA’s ICIS-AIR download.