EPA Air · by county
Air-emissions sources in Marion County, Indiana
- 159Facilities
Every stationary source in Marion 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.
By emissions classification in Marion 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 Marion 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 19
- 2025 — inspections 24
- 2024 — inspections 45
- 2023 — inspections 23
- 2022 — inspections 23
- 2021 — inspections 29
- 2020 — inspections 26
- 2019 — inspections 43
- 2018 — inspections 24
- 2017 — inspections 30
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| MARATHON PETROLEUM COMPANY LP | Minor source | No |
| MARIAN UNIVERSITY | Minor source | No |
| MARSH SUPERMARKETS LLC | Minor source | No |
| MAXED SANDBLASTING AND COATING SPECIALISTS LLC | Synthetic minor source | No |
| MENZIES AVIATION | Major source | No |
| METAL FINISHING CO., INC. | Minor source | No |
| METALWORKING LUBRICANTS COMPANY | Synthetic minor source | Yes |
| MICRONUTRIENTS, DIVISION OF HERITAGE TEC | Minor source | No |
| MILESTONE CONTRACTORS LP | Synthetic minor source | No |
| MILESTONE CONTRACTORS LP | Synthetic minor source | No |
| MILLER VENEERS, INC. | Minor source | No |
| MINTEK RESOURCES INCORPORATED | Synthetic minor source | No |
| MONDELEZ GLOBAL LLC | Synthetic minor source | No |
| MPLX TERMINALS LLC - INDIANAPOLIS TERMINAL | Major source | No |
| MPLX TERMINALS LLC - SPEEDWAY TERMINAL | Synthetic minor source | No |
| NATIONAL RAILROAD PASSENGER CORPORATION | Synthetic minor source | No |
| NPX ONE | Major source | No |
| OMNISOURCE LLC | Synthetic minor source | No |
| PLASTIC RECYCLING INCORPORATED | Synthetic minor source | No |
| R & S PLATING, INC. | Minor source | No |
| RAY'S TRASH SERVICE, INC. | Minor source | No |
| REPUBLIC AIRWAYS INC | Major source | No |
| REWORLD INDIANAPOLIS INCORPORATED | Major source | No |
| RIETH RILEY CONSTRUCTION CO INC | Synthetic minor source | No |
| RIETH RILEY CONSTRUCTION COMPANY INCORPORATED | Synthetic minor source | No |
| RIETH RILEY CONSTRUCTION COMPANY INCORPORATED | Synthetic minor source | No |
| ROLLS ROYCE CORPORATION | Major source | No |
| ROLLS-ROYCE CORPORATION | Synthetic minor source | No |
| ROYAL SPA CORPORATION | Synthetic minor source | No |
| SCHLAGE LOCK COMPANY LLC | Minor source | No |
| SENSIENT FLAVORS, LLC | Minor source | No |
| SOUTH SIDE LANDFILL INC | Major source | No |
| SOUTHPORT AWT FACILITY | Minor source | No |
| SPECIALTY COATING SYSTEMS | Minor source | No |
| ST. VINCENT SETON SPECIALTY HOSPITAL | Minor source | No |
| STANLEY SECURITY SOLUTIONS | Minor source | No |
| STEEL SERVICES INCORPORATED | Synthetic minor source | No |
| SUMCO, LLC | Minor source | No |
| SUPERIOR INDUSTRIAL SOLUTIONS INCORPORATED | Synthetic minor source | No |
| SUPERIOR METAL TECHNOLOGIES | Synthetic minor source | No |
| SVC MANUFACTURING INC | Synthetic minor source | No |
| TARGET DISTRIBUTION CENTER | Minor source | No |
| THE KROGER COMPANY - INDIANAPOLIS BAKERY | Synthetic minor source | No |
| THOMAS & SKINNER, INC. | Minor source | No |
| TRADER JOE'S | Minor source | No |
| TRADER JOE'S | Minor source | No |
| U.S. POSTAL SERVICE EAGLE AIR HUB | Minor source | No |
| UNITED TECHNOLOGIES | Minor source | No |
| UNIVAR USA INC. | Minor source | No |
| UNIVERSITY OF INDIANAPOLIS | Minor source | No |
| US ENERGY INDIANAPOLIS TERMINAL | Synthetic minor source | No |
| V2X MODERNIZATION AND SUSTAINMENT LLC | Synthetic minor source | No |
| VEREGY IN LLC | Major source | No |
| VERTELLUS INTEGRATED PYRIDINES LLC | Major source | No |
| WILLIAMSON POLISHING & PLATING CO., INC. | Minor source | No |
| WILLOUGHBY INDUSTRIES INC | Synthetic minor source | No |
| WINGFOOT COMMERCIAL TIRE SYSTEMS, LLC | Minor source | No |
| ZIONSVILLE COMPRESSOR STATION / PANHANDLE EASTERN PIPE LINE | Major source | Yes |
| ZIONSVILLE TERMINAL BUCKEYE TERMINALS LLC | Synthetic minor source | No |
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County as filed on the facility record. Figures from EPA’s ICIS-AIR download.