EPA Air · by county
Air-emissions sources in Boyd County, Kentucky
- 12Facilities
Every stationary source in Boyd County, Kentucky 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 Boyd 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 Boyd 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.
- 2025 — inspections 8
- 2024 — inspections 7
- 2023 — inspections 4
- 2022 — inspections 8
- 2021 — inspections 9
- 2020 — inspections 8
- 2019 — inspections 10
- 2018 — inspections 9
- 2017 — inspections 12
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| AIR PRODUCTS & CHEMICALS INC - CATLETTSBURG HYDROGEN PLANT | Major source | No |
| BIG RUN POWER PRODUCERS LLC | Major source | No |
| BOYD CO SANITARY LANDFILL INC | Major source | No |
| CALGON CARBON CORPORATION | Major source | No |
| HARDIN STREET MARINE LLC - MARINE REPAIR FACILITY | Synthetic minor source | No |
| HUNTINGTON ALLOYS CORP | Synthetic minor source | No |
| KES ACQUISITION CO LLC | Minor source | No |
| MARATHON PETROLEUM CO LLC - CATLETTSBURG REFINING | Major source | Yes |
| RIVER METALS RECYCLING - ASHLAND | Synthetic minor source | No |
| STEIN INC | Major source | No |
| TN GAS PIPELINE CO LLC - STATION 114 | Major source | No |
| VGP HOLDINGS LLC - VALVOLINE ENGINE TEST LABORATORY | Synthetic minor source | No |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.