EPA Air · by county
Air-emissions sources in Cowlitz County, Washington
- 17Facilities
Every stationary source in Cowlitz 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 Cowlitz 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 Cowlitz 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 17
- 2025 — inspections 15
- 2024 — inspections 18
- 2023 — inspections 25
- 2022 — inspections 32
- 2021 — inspections 27
- 2020 — inspections 20
- 2019 — inspections 12
- 2018 — inspections 17
- 2017 — inspections 14
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| COWLITZ COUNTY HEADQUARTERS LANDFILL | Major source | No |
| COWLITZ COUNTY HEADQUARTERS LANDFILL | No | |
| EGT DEVELOPMENT, LLC | Minor source | No |
| KALAMA EXPORT COMPANY, LLC | Minor source | No |
| LAKESIDE INDUSTRIES, INC. / LONGVIEW | Minor source | No |
| LANXESS CORPORATION | Major source | Yes |
| MINT FARM GENERATION, LLC. | Minor source | No |
| NIPPON DYNAWAVE PACKAGING COMPANY LLC | Major source | Yes |
| NORTH PACIFIC PAPER CORP. | Major source | Yes |
| NORTHWEST HARDWOODS / LONGVIEW | Minor source | No |
| OWENS-BROCKWAY GLASS CONTAINER, INC. | Not applicable | Yes |
| PORT OF LONGVIEW | Minor source | No |
| SOLVAY INTEROX | Minor source | No |
| TEMCO LLC | Minor source | No |
| WESTLAKE US 2 LLC | Major source | No |
| WESTROCK LONGVIEW LLC | Major source | Yes |
| WEYERHAEUSER LONGVIEW LUMBER | Major source | No |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.