EPA Air · by county
Air-emissions sources in Seneca County, Ohio
- 31Facilities
Every stationary source in Seneca 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 Seneca 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 Seneca 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 8
- 2025 — inspections 26
- 2024 — inspections 18
- 2023 — inspections 10
- 2022 — inspections 4
- 2021 — inspections 14
- 2020 — inspections 17
- 2019 — inspections 8
- 2018 — inspections 6
- 2017 — inspections 8
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| ALL RESOURCE RECYCLING | Minor source | No |
| ALPHA COATINGS, INC. | Synthetic minor source | No |
| BALLREICH FOODS, LLC. | Minor source | No |
| BEAVER - TEREX #1 | Minor source | No |
| BUCKEYE TERMINALS, LLC - TIFFIN TERMINAL | Synthetic minor source | No |
| CARMEUSE LIME, INC. - MAPLE GROVE OPERATIONS | Major source | Yes |
| CHURCH & DWIGHT CO. | Major source | No |
| FILMTEC FABRICATION LLC | Minor source | No |
| FRY FOODS | Minor source | No |
| GIBSON ACCUMULATOR LLC | Major source | No |
| HEIDELBERG MATERIALS MIDWEST AGG, INC | Minor source | No |
| HEIDELBERG MATERIALS MIDWEST AGG, INC | Minor source | No |
| INTERMETRO INDUSTRIES CORPORATION | Minor source | No |
| KANSAS GRAIN INC. | Minor source | No |
| LUCKEY FARMERS, INC. BASCOM GRAIN | Minor source | No |
| MAPLE GROVE MATERIALS, INC. - ALVADA PLANT | Synthetic minor source | No |
| MAPLE GROVE MATERIALS, INC. - TIFFIN PLANT | Synthetic minor source | No |
| MGQ AGGREGATES, INC. | Minor source | No |
| MGQ AGGREGATES, INC. | Minor source | No |
| MORGAN ADVANCED MATERIALS | Major source | No |
| NATIONAL MACHINERY LLC | Minor source | No |
| NORTH CENTRAL ELECTRIC COOPERTIVE, INC. | Minor source | No |
| NOX US LLC | Synthetic minor source | No |
| NUTRIEN AG SOLUTIONS | Minor source | No |
| POET BIOREFINING - FOSTORIA LLC | Major source | No |
| ROPPE CORPORATION | Minor source | No |
| SENECA MILLWORK, INC. | Minor source | No |
| TIFFIN DEVELOPMENTAL CENTER | Minor source | No |
| TIFFIN FARMERS COOPERATIVE, INC. | Minor source | No |
| TIFFIN FOUNDRY & MACHINE INC | Minor source | No |
| WIN WASTE INNOVATIONS OF SENECA COUNTY | Major source | No |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.