EPA Air · by county
Air-emissions sources in Delaware County, Indiana
- 18Facilities
Every stationary source in Delaware 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 Delaware County
Each of the 18 operating major, synthetic minor and minor sources in Delaware County, Indiana has a record page: every source in Delaware County, A to Z.
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.
- 2026 inspections 4
- 2025 inspections 6
- 2024 inspections 5
- 2022 inspections 8
- 2021 inspections 4
- 2020 inspections 3
- 2019 inspections 9
- 2017 inspections 6
Violations in Delaware 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 Delaware County, by year
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
- 2026 stack tests 12
- 2025 stack tests 3
- 2024 stack tests 24
- 2023 stack tests 17
- 2022 stack tests 24
- 2021 stack tests 8
- 2020 stack tests 10
- 2019 stack tests 14
- 2018 stack tests 30
- 2017 stack tests 23
Inspections in Delaware County, year by year · Violations in Delaware County, year by year · Stack tests in Delaware County, year by year
Other counties in Indiana
Every county in the state with at least three sources on file.
- Carroll County 3
- Cass County 17
- Clark County 35
- Clay County 9
- Clinton County 8
- Crawford County 3
- Daviess County 17
- Dearborn County 16
- Decatur County 12
- DeKalb County 26
- Dubois County 20
- Elkhart County 155
- Fayette County 3
- Floyd County 15
- Fountain County 7
- Fulton County 6
- Gibson County 12
- Grant County 20
- Greene County 11
Delaware County carries 18 of the 1,740 air-emissions sources this register holds in Indiana, which places it 27th of 83 in that cohort.
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| ARROWHEAD PLASTIC ENGINEERING INC | Major source | No |
| BALL STATE UNIVERSITY | Major source | No |
| BUCKEYE TERMINALS LLC MUNCIE TERMINAL | Synthetic minor source | No |
| C & J PLATING AND GRINDING | Minor source | No |
| CANPACK US LLC | Synthetic minor source | No |
| E & B PAVING LLC | Synthetic minor source | No |
| FRESENIUS MEDICAL CARE (FMC) OF N.A.SITE | Minor source | No |
| GARFIELD FACILITY LLC | Major source | Yes |
| HOLLINGSHEAD CEMENT YORKTOWN | Synthetic minor source | No |
| INDIANA BRIDGE INC | Synthetic minor source | No |
| IRVING MATERIALS INC DBA PARK ASPHALT | Synthetic minor source | No |
| KENDON CORPORATION | Minor source | No |
| MILESTONE CONTRACTORS LP | Synthetic minor source | No |
| MPLX TERMINALS LLC - MUNCIE TERMINAL | Synthetic minor source | No |
| MUNCIE CASTINGS LLC | Synthetic minor source | No |
| OX PAPERBOARD EATON LLC | Synthetic minor source | No |
| POLYONE DESIGNED STRUCTURES AND SOLUTION | Minor source | No |
| PROGRESS RAIL MANUFACTURING CORPORATION | Major 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 Delaware county, IN. It lists 18 facilities in Delaware county, of which 4 are major sources.