EPA Air · by county
Air-emissions sources in DeKalb County, Indiana
- 26Facilities
Every stationary source in DeKalb County, Indiana 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 DeKalb 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 DeKalb 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 9
- 2024 — inspections 10
- 2023 — inspections 5
- 2022 — inspections 16
- 2021 — inspections 4
- 2020 — inspections 10
- 2019 — inspections 5
- 2018 — inspections 15
- 2017 — inspections 3
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| BROOKS CONSTRUCTION COMPANY INC | Synthetic minor source | No |
| BUNGE NORTH AMERICA (EAST), LLC | Minor source | No |
| CJ AUTOMOTIVE INDIANA LLC | Minor source | No |
| CONTITECH USA LLC | Major source | No |
| EATON CORP R & D LAB | Synthetic minor source | Yes |
| FXI, INC. | Major source | No |
| GRIFFITH RUBBER MILLS | Synthetic minor source | No |
| GRIFFITH RUBBER MILLS OF GARRETT, INC. | Synthetic minor source | No |
| HEIDTMAN STEEL PRODUCTS INCORPORATED | Synthetic minor source | No |
| LINACAST INC LINAMAR LIGHT METALS AUBURN | Synthetic minor source | No |
| METAL TECHNOLOGIES AUBURN LLC | Major source | Yes |
| METAL X AUBURN | Synthetic minor source | No |
| MOMENTIVE PERFORMANCE MATERIALS USA LLC | Synthetic minor source | No |
| NEW MILLENNIUM BUILDING SYSTEMS LLC | Major source | No |
| NUCOR BUILDING SYSTEMS | Major source | No |
| NUCOR FASTENER ST JOE PLANT | Major source | No |
| NUCOR INSULATED PANEL GROUP WATERLOO | Major source | No |
| NUCOR VULCRAFT GROUP ST JOE DIVISION | Major source | No |
| PARKER HANNIFIN CORP-CYLINDER DIV | Minor source | No |
| PRINCE MANUFACTURING | Synthetic minor source | No |
| RIEKE, LLC | Synthetic minor source | No |
| SCOT INDUSTRIES INC | Synthetic minor source | No |
| SCP LIMITED HOLDING LLC | Synthetic minor source | No |
| STAFFORD GRAVEL INCORPORATED | Synthetic minor source | No |
| STEEL DYNAMICS, INC. FLAT ROLL GROUP, BUTLER DIVISION | Major source | Yes |
| THERMA TRU CORPORATION | Major source | No |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.