EPA Air · by county
Air-emissions sources in Snohomish County, Washington
- 65Facilities
Every stationary source in Snohomish County, Washington that holds a Clean Air Act permit or is otherwise tracked by an air agency — planned, under construction, operating, seasonal or temporarily closed. Sources EPA records as permanently closed are not listed.
By emissions classification in Snohomish County
A source’s classification is the size band its potential emissions put it in: a major source is large enough to need a Title V operating permit, a synthetic minor has accepted limits to stay below that line, and a minor source sits below it outright.
Inspections in Snohomish County, by year
A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source.
- 2026 — inspections 110
- 2025 — inspections 210
- 2024 — inspections 215
- 2023 — inspections 242
- 2022 — inspections 215
- 2021 — inspections 143
- 2020 — inspections 163
- 2019 — inspections 206
- 2018 — inspections 163
- 2017 — inspections 140
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| A&E LLC | Minor source | No |
| ACHILLES USA INC. | Synthetic minor source | No |
| AGC BIOLOGICS INC. | Minor source | No |
| ALON ASPHALT USA | Minor source | No |
| APPLIED FINISHING INC | Synthetic minor source | No |
| ARAMARK UNIFORM SERVICES | Minor source | No |
| ARTISAN FINISHING SYSTEMS | Synthetic minor source | No |
| AVIATION TECHNICAL SERVICES INC | Synthetic minor source | No |
| BAILEY COMPOST | Minor source | No |
| BOEING COMMERCIAL AIRPLANE GROUP - EVERETT | Major source | Yes |
| CADMAN INC | Minor source | No |
| CADMAN INC HIGH ROCK | Minor source | No |
| CADMAN MATERIALS, INC. (CADMAN) | Minor source | No |
| CADMAN MATERIALS, INC. (CADMAN) | Minor source | No |
| CANYON CREEK CABINET CO | Synthetic minor source | No |
| CEDAR GROVE COMPOSTING, INC | Minor source | No |
| CITY OF EVERETT PUBLIC WORKS DEPT | Minor source | No |
| CONCRETE NORWEST MILES SAND & GRAVEL CO | Minor source | No |
| CPC MATERIALS, INC | Minor source | No |
| DONNA'S TRAVEL PLAZA | Minor source | No |
| DTG ENTERPRISES, INC. DBA DTG RECYCLE | Minor source | No |
| EDMONDS, CITY OF, WASTEWATER TREATMENT PLANT | Major source | No |
| FLUID MOTION | Synthetic minor source | No |
| FLUID MOTION LLC | Major source | No |
| GRANITE CONSTRUCTION COMPANY | Synthetic minor source | No |
| GREEN CROW CORPORATION | Minor source | No |
| HAMPTON LUMBER MILLS-WASHINGTON INC | Major source | No |
| HM PACIFIC NORTHWEST CASCADE QUARRY | Minor source | No |
| INTERWEST CONSTRUCTION | Minor source | No |
| IRON MOUNTAIN QUARRY LLC | Minor source | No |
| KETTLE CUISINE, LLC | Minor source | No |
| KING CO NTRL RES WASTEWATER TREATMENT BRIGHTWATER | Minor source | No |
| LAKESIDE INDUSTRIES #060 | Minor source | No |
| LENZ ENTERPRISES INC | Minor source | No |
| LYNNWOOD, CITY OF, WASTEWATER TREATMENT FACILITY | Major source | No |
| MACKENZIE SPECIALTY CASTINGS INC | Minor source | No |
| MARINE DRIVE 76 | Minor source | No |
| MOREL INDUSTRIES | Minor source | No |
| MORGAN AERO PRODUCTS | Minor source | No |
| MOUNTAIN LOOP MINE | Minor source | No |
| NATIONAL INDUSTRIAL CONCEPTS | Synthetic minor source | No |
| NIELSEN BROTHERS INC. (GRANITE FALLS SITE) | Minor source | No |
| NORTHWEST PIPELINE LLC SNOHOMISH | Major source | No |
| PACIFIC TOPSOILS INC | Minor source | No |
| PACIFIC TOPSOILS, INC. | Minor source | No |
| PROVIDENCE REGIONAL MEDICAL CENTER | Minor source | No |
| QUALCO ENERGY CORP | Minor source | No |
| REECE AGGREGATE | Minor source | No |
| REECE CONSTRUCTION COMPANY | Minor source | No |
| RIGHT ON HEARING & SHEET METAL | Minor source | No |
| RIVERSIDE TOPSOIL, INCORPORATED | Minor source | No |
| ROMAC INDUSTRIES INC | Minor source | No |
| SAFRAN CABIN | Synthetic minor source | No |
| SEA CAST, INC | Minor source | No |
| SILVER HORDE FISHING SUPPLIES, INC. | Minor source | No |
| SR SMITH, LLC | Synthetic minor source | No |
| STANDARD BIODIESEL | Minor source | No |
| STELLA-JONES CORPORATION | Minor source | No |
| SWEDISH EDMONDS | Minor source | No |
| TRAVIS INDUSTRIES, INC. | Synthetic minor source | No |
| UNOCAL 76 SERVICE | Minor source | No |
| US NAVY NAVAL STATION EVERETT | Minor source | No |
| WASHINGTON STATE MONROE CORRECTIONAL COMPLEX | Minor source | No |
| WESTERN FOREST PRODUCTS US LLC | Minor source | No |
| WETLANDS CREATION, INC./STOCK YARD | Minor source | No |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.