EPA Air · by county
Air-emissions sources in Defiance County, Ohio
- 16Facilities
Every stationary source in Defiance 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 Defiance 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 Defiance 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 3
- 2025 — inspections 3
- 2024 — inspections 7
- 2023 — inspections 4
- 2022 — inspections 5
- 2021 — inspections 6
- 2020 — inspections 4
- 2019 — inspections 7
- 2018 — inspections 6
- 2017 — inspections 4
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| ANR PIPELINE COMPANY | Major source | No |
| DEFIANCE COUNTY SANITARY LANDFILL | Major source | No |
| DEFIANCE METAL PRODUCTS | Minor source | No |
| DEFIANCE METAL PRODUCTS CO | Minor source | No |
| GM DEFIANCE CASTING OPERATIONS | Major source | No |
| JEWELL GRAIN | Minor source | No |
| JEWELL GRAIN CO | Minor source | No |
| JOHNS MANVILLE | Major source | No |
| MERCER LANDMARK, INC. | Minor source | No |
| METAL MANAGEMENT OHIO | Minor source | No |
| OMNISOURCE DEFIANCE | Minor source | No |
| RICHLAND STRYKER GENERATION LLC | Major source | No |
| ROVER PIPELINE - DEFIANCE COMPRESSOR STATION | Major source | No |
| SENSORY EFFECTS, INC. DBA BALCHEM INGREDIENTS SOLUTIONS | Minor source | No |
| WERLOR WASTE CONTROL, INC. | Minor source | No |
| YODER BODY SHOP LLC | Minor source | No |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.