EPA Air · by county
Air-emissions sources in Marshall County, Kentucky
- 21Facilities
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Every stationary source in Marshall 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.
Every source’s record in Marshall County
Each of the 20 operating major, synthetic minor and minor sources in Marshall County, Kentucky has a record page: every source in Marshall County, A to Z.
By emissions classification in Marshall 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 Marshall 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 6
- 2025 inspections 16
- 2024 inspections 13
- 2023 inspections 12
- 2022 inspections 11
- 2021 inspections 16
- 2020 inspections 13
- 2019 inspections 17
- 2018 inspections 10
- 2017 inspections 19
Stack tests in Marshall County, by year
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
- 2023 stack tests 12
- 2022 stack tests 5
- 2021 stack tests 4
- 2019 stack tests 5
- 2018 stack tests 6
- 2017 stack tests 4
Inspections in Marshall County, year by year · Stack tests in Marshall County, year by year
Other counties in Kentucky
Every county in the state with at least three sources on file.
- Jefferson County 81
- Jessamine County 6
- Kenton County 17
- Knox County 3
- Laurel County 6
- Letcher County 3
- Livingston County 3
- Logan County 5
- Madison County 13
- Marion County 8
- Martin County 11
- Mason County 6
- McCracken County 12
- Meade County 3
- Mercer County 3
- Metcalfe County 3
- Monroe County 4
- Montgomery County 7
- Muhlenberg County 6
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| 3A COMPOSITES USA INC | Synthetic minor source | No |
| ARKEMA INC | Major source | No |
| AVIENT CORPORATION/GOODRICH CORPORATION | Synthetic minor source | No |
| CARBIDE INDUSTRIES LLC | Major source | No |
| CC METALS AND ALLOYS LLC | Major source | No |
| CYMETECH CORPORATION | Synthetic minor source | No |
| DTE CALVERT CITY LLC | Major source | No |
| ESTRON CHEMICAL INC | Synthetic minor source | No |
| EVONIK CORPORATION | Major source | No |
| EVONIK CORPORATION | Synthetic minor source | No |
| FOUR RIVERS BIOENERGY CO INC, THE | Synthetic minor source | No |
| ISP CHEMICALS LLC | Major source | No |
| JAMES MARINE INC | Major source | No |
| LUBRIZOL ADVANCED MATERIALS INC | Synthetic minor source | No |
| SEKISUI SPECIALTY CHEMICALS AMERICA LLC | Major source | No |
| TEXAS GAS TRANSMISSION LLC - CALVERT CITY COMPRESSOR | Major source | No |
| TVA - KGEN MARSHALL LLC | Major source | No |
| WACKER CHEMICAL CORPORATION | Major source | No |
| WESTLAKE OPCO | Major source | No |
| WESTLAKE VINYLS INC | Major source | No |
| WESTLAKE VINYLS, INC - PVC PLANT | Major source | No |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.
What this page shows
This page covers Clean Air Act facilities in the EPA air register for Marshall county, KY. It lists 21 facilities in Marshall county and 14 major sources.