EPA Air · by county
Air-emissions sources in Mason County, West Virginia
- 6Facilities
Every stationary source in Mason County, West Virginia 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 Mason 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 Mason 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 4
- 2024 — inspections 6
- 2022 — inspections 6
- 2020 — inspections 4
- 2018 — inspections 5
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| APG POLYTECH, LLC, APPLE GROVE PLANT | Major source | No |
| APPALACHIAN POWER CO. - MOUNTAINEER PLANT, NEW HAVEN | Major source | No |
| FELMAN PRODUCTION, LLC, LETART | Major source | No |
| ICL-IP AMERICA INC., GALLIPOLIS FERRY | Synthetic minor source | No |
| NUCOR STEEL WEST VIRGINIA LLC, NUCORSTEEL | Major source | No |
| RICK JOHNSON MINING, LLC, MASON - RJM LOADOUT | Minor source | No |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.