EPA Air · by county
Air-emissions sources in Lewis County, Washington
- 15Facilities
Every stationary source in Lewis 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 Lewis 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 Lewis 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 18
- 2025 — inspections 25
- 2024 — inspections 32
- 2023 — inspections 37
- 2022 — inspections 41
- 2021 — inspections 40
- 2020 — inspections 17
- 2019 — inspections 16
- 2018 — inspections 24
- 2017 — inspections 25
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| CAFFAL BROTHERS FOREST PRODUCTS / CHEHAL | Minor source | No |
| CARDINAL FG COMPANY | Major source | No |
| HAMPTON LUMBER MILLS - MORTON | Major source | No |
| HAMPTON LUMBER MILLS - RANDLE | Major source | Yes |
| HARDEL MUTUAL PLYWOOD CORPORATION | Synthetic minor source | Yes |
| NORTHWEST HARDWOODS - CENTRALIA | Minor source | No |
| NORTHWEST PIPELINE CORP CHEHALIS | Major source | No |
| PUGET SOUND ENERGY (WA NATURAL GAS) | Synthetic minor source | No |
| ROCKY MOUNTAIN POWER - CHEHALIS POWER GENERATING, L.P. | Major source | No |
| SHAKERTOWN 1992, INC. | Minor source | No |
| SIERRA PACIFIC, INDUSTRIES | Major source | No |
| TRANSALTA CENTRALIA GENERATION, LLC | Major source | Yes |
| TRANSALTA CENTRALIA MINING LLC | Major source | No |
| WAYNE DALTON CORP. | Minor source | No |
| WEST FARM FOODS/DARIGOLD MILK PRODUCTS | Minor source | No |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.