EPA Air · by county
Air-emissions sources in Steuben County, Indiana
- 16Facilities
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Every stationary source in Steuben 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.
Every source’s record in Steuben County
Each of the 16 operating major, synthetic minor and minor sources in Steuben County, Indiana has a record page: every source in Steuben County, A to Z.
By emissions classification in Steuben 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 Steuben 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 5
- 2023 inspections 3
- 2022 inspections 8
- 2021 inspections 4
- 2020 inspections 3
- 2019 inspections 3
- 2018 inspections 6
Violations in Steuben County, by year
A high-priority violation is the most serious class of Clean Air Act non-compliance an agency records against a source; a federally reportable violation is the next step down in severity.
Stack tests in Steuben County, by year
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
- 2025 stack tests 11
- 2024 stack tests 9
- 2023 stack tests 4
- 2022 stack tests 8
- 2021 stack tests 4
- 2020 stack tests 10
- 2019 stack tests 4
- 2018 stack tests 4
Inspections in Steuben County, year by year · Violations in Steuben County, year by year · Stack tests in Steuben County, year by year
Other counties in Indiana
Every county in the state with at least three sources on file.
- Pulaski County 10
- Putnam County 9
- Randolph County 9
- Ripley County 6
- Rush County 4
- Scott County 8
- Shelby County 21
- Spencer County 9
- St. Joseph County 51
- Starke County 7
- Sullivan County 13
- Tippecanoe County 34
- Tipton County 5
- Vanderburgh County 39
- Vermillion County 10
- Vigo County 38
- Wabash County 19
- Warrick County 11
- Washington County 8
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| AAA GALVANIZING - HAMILTON, INC. | Minor source | No |
| ALLEGHENY COATINGS | Synthetic minor source | No |
| API CONSTRUCTION CORP | Synthetic minor source | No |
| ASHLEY INDUSTRIAL MOLDING INC | Major source | No |
| BRIGHTMARK PLASTICS ASHLEY OPCO LLC | Synthetic minor source | Yes |
| DAVENPORT MANUFACTURING GROUP | Synthetic minor source | No |
| DEXTER AXLE COMPANY - PLANT 12 | Minor source | No |
| E & B PAVING LLC | Synthetic minor source | No |
| FOREST RIVER INCORPORATED PLANT 86 | Synthetic minor source | Yes |
| LAGRANGE PRODUCTS | Minor source | No |
| NEW HORIZONS BAKING COMPANY | Major source | Yes |
| RIETH-RILEY CONSTRUCTION COMPANY INCORPORATED | Synthetic minor source | No |
| RR DONNELLEY | Synthetic minor source | No |
| TENNECO AUTOMOTIVE | Minor source | No |
| UNIVERTICAL LLC | Synthetic minor source | Yes |
| VESTIL MANUFACTURING COMPANY | Synthetic minor source | No |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.
What this page shows
This page covers Clean Air Act facilities in the EPA air register for Steuben county, IN. It lists 16 facilities in Steuben county, of which 2 are major sources.