EPA Air · by county
Air-emissions sources in Delaware County, Ohio
- 22Facilities
Every stationary source in Delaware 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 Delaware 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 Delaware 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 6
- 2024 — inspections 14
- 2023 — inspections 8
- 2022 — inspections 11
- 2020 — inspections 3
- 2019 — inspections 7
- 2018 — inspections 12
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| ABRASIVE TECHNOLOGY, LLC | Synthetic minor source | No |
| ASTEMO AMERICAS, INC. | Minor source | No |
| BEST BLOCK/OBERFIELDS | Minor source | No |
| CARETTA DESKS | Minor source | No |
| CITI MIDWEST DATA CENTER | Synthetic minor source | No |
| DELO SCREW PRODUCTS | Minor source | No |
| DISPATCH CONSUMER SERVICES, INC. | Minor source | No |
| INTERNATIONAL PAPER | Minor source | No |
| LIBERTY CASTING INC. | Major source | Yes |
| MAR-ZANE PLANT #1 | Synthetic minor source | No |
| NATIONAL LIME & STONE CO - DELAWARE PLAN | Minor source | No |
| NATIONAL LIME AND STONE COMPANY | Minor source | No |
| OBERFIELD'S LLC | Minor source | No |
| OHIO WESLEYAN UNIVERSITY | Emissions classification unknown | No |
| OLENTANGY ENVIRONMENTAL CONTROL CENTER | Minor source | No |
| PPG INDUSTRIES - DELAWARE | Major source | No |
| QUALAWASH HOLDINGS | Synthetic minor source | No |
| SAM DONG OHIO, INC. | Synthetic minor source | No |
| SCIOTO/RIVERVIEW COMPLEX | Minor source | No |
| SNYDER RODMAN FUNERAL CENTER | Minor source | No |
| VERTIV CORPORATION | Synthetic minor source | No |
| WORTHINGTON CYLINDER CORPORATION | Major source | No |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.