EPA Air · by county
Air-emissions sources in Knox County, Ohio
- 26Facilities
Every stationary source in Knox County, Ohio 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 Knox 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 Knox 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
- 2023 — inspections 6
- 2020 — inspections 5
- 2019 — inspections 3
- 2018 — inspections 9
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| AIRCO OHIO | Minor source | No |
| ARIEL CORP - BJ1 | Synthetic minor source | No |
| ARIEL CORP GRANVILLE ROAD FACILITY | Minor source | No |
| ARIEL CORPORATION - EP1 | Minor source | No |
| BEACHY WOODWORKING | Minor source | No |
| BURROWS PAPER CORP | Minor source | No |
| CENTRAL OHIO FARMERS CO-OP INC | Minor source | No |
| CENTRAL OHIO FARMERS CO-OP INC. | Minor source | No |
| FOOTE FOUNDRY CO. INC. | Minor source | No |
| INTERNATIONAL PAPER | Minor source | No |
| KNOX COMMUNITY HOSPITAL | Minor source | No |
| KOKOSING CONSTRUCTION CO INC. | Minor source | No |
| KOKOSING MATERIALS INC - 37 KW DIESEL FIRED GENERATOR | Minor source | No |
| KOKOSING MATERIALS INC - PLANT 505 | Synthetic minor source | Yes |
| MACK CONCRETE, LLC | Minor source | No |
| MID-OHIO PAVING, INC. | Synthetic minor source | No |
| OHIO DEPT OF DEVELOPMENTAL DISABILITIES - MOUNT VERNON | Minor source | No |
| OWENS CORNING | Major source | No |
| PRESTRESS SERVICES INDUSTRIES, LLC | Minor source | No |
| REPLEX MIRROR COMPANY | Minor source | No |
| ROSS BROS SALVAGE | Minor source | No |
| SANTMYER OIL CO INC | Minor source | No |
| SELECT MATERIALS | Minor source | No |
| SMALL'S SAND AND GRAVEL | Synthetic minor source | No |
| THE OLEN CORPORATION PLANT 2 | Minor source | No |
| UNITED AGGREGATES | Minor source | No |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.