EPA Air · by county
Air-emissions sources in Marion County, Iowa
- 53Facilities
Every stationary source in Marion County, Iowa 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 5
- 2025 — inspections 3
- 2024 — inspections 7
- 2023 — inspections 4
- 2022 — inspections 6
- 2021 — inspections 3
- 2020 — inspections 4
- 2019 — inspections 4
- 2018 — inspections 6
- 2017 — inspections 6
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| 3M COMPANY | Minor source | No |
| 3M MINNESOTA MINING & MANUFACTURING CO | Major source | Yes |
| AMERICAN WOOD FIBERS | Minor source | No |
| BEN SHINN TRUCKING INC | Emissions classification unknown | No |
| CENTRAL COLLEGE | Synthetic minor source | No |
| CITY OF KNOXVILLE - WASTEWATER TREATMENT | Synthetic minor source | No |
| FARMERS COOPERATIVE EXCHANGE | Minor source | No |
| GOFF & NASH AUTO PARTS | Minor source | No |
| HERITAGE LACE | Minor source | No |
| IDEAL READY MIX CO INC - KNOXVILLE | Minor source | No |
| IDEAL READY MIX CO INC - KNOXVILLE | Minor source | No |
| IDEAL READY MIX CO INC - PELLA | Minor source | No |
| KNOXVILLE AREA COMMUNITY HOSPITAL | Minor source | No |
| KNOXVILLE MFG LLC | Synthetic minor source | No |
| KNOXVILLE QUARRY | Synthetic minor source | No |
| KNOXVILLE WATER WORKS | Minor source | No |
| LAIRD DEMOLITION | Minor source | No |
| LAMBIRTH ENTERPRISES | Minor source | No |
| LANGSTRAAT AUTO BODY INC | Minor source | No |
| LDJ MANUFACTURING INC | Synthetic minor source | No |
| LEYDENS INC | Minor source | No |
| MANATTS INC. | Synthetic minor source | No |
| MARTIN MARIETTA INC-HARVEY | Synthetic minor source | No |
| MARTIN MARIETTA INC-TRACY | Synthetic minor source | No |
| MAXIM TRUCKING AND MATERIALS | Synthetic minor source | No |
| MEDALIST MANUFACTURING INC | Synthetic minor source | No |
| MID AMERICAN ENERGY CO-KNOXVILLE | Major source | No |
| NATURAL GAS PIPELINE CO OF AMERICA-#198 | Major source | No |
| NORRIS ASPHALT PAVING CO-PLANT 450 | Minor source | No |
| PELLA CORP-PELLA DIV | Major source | No |
| PELLA ENGRAVING CO | Minor source | No |
| PELLA FEED SERVICE INC | Synthetic minor source | No |
| PELLA REGIONAL HEALTH CENTER | Synthetic minor source | No |
| PELLA WEST SUBSTATION | Major source | Yes |
| PRECISION PULLEY & IDLER INC-PELLA | Synthetic minor source | No |
| RING-O-MATIC INC | Synthetic minor source | No |
| SMITH FERTILIZER & GRAIN | Minor source | No |
| SOUTH CENTRAL IOWA SOLID WASTE AGENCY (SCISWA) | Major source | No |
| STEENHOEK AUTO SUPPLY INC | Minor source | No |
| THE TIN SHOPPE | Minor source | No |
| THOMPSON AUTO | Minor source | No |
| TOMS COLLISION CENTER INC | Minor source | No |
| TRI-COUNTY VETERINARY CLINIC PC | Minor source | No |
| TWO RIVERS COOPERATIVE | Minor source | No |
| TWO RIVERS COOPERATIVE-PELLA | Minor source | No |
| VAN GORP CONSTRUCTION | Synthetic minor source | No |
| VAN GORP CORP | Synthetic minor source | No |
| VAN SANT COLLISION REPAIR INC | Minor source | No |
| VERMEER MFG CO INC | Major source | No |
| VETERANS ADMINISTRATION MEDICAL CENTER | Synthetic minor source | No |
| WEILER PRODUCTS | Synthetic minor source | No |
| WESTBERGS INC | Minor source | No |
| WINFIELD FUNERAL HOME | Minor source | No |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.