EPA Air · stack tests by state and year
Air-emissions stack tests in Indiana, 2025
- 1,619Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Every stack test below was recorded against a source in Indiana during 2025; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in Indiana, 2025
- Lake County 154
- Marion County 97
- Shelby County 86
- DeKalb County 77
- Wabash County 72
- Posey County 67
- Porter County 54
- Wayne County 53
- Crawford County 47
- Rush County 44
- Allen County 42
- Noble County 40
- Warrick County 40
- Knox County 36
- Huntington County 36
- Howard County 35
- White County 31
- Kosciusko County 30
- Fulton County 29
- Morgan County 26
- Montgomery County 25
- Johnson County 24
- Elkhart County 22
- Clark County 22
- St. Joseph County 20
- Tippecanoe County 20
- Wells County 20
- Cass County 19
- Clinton County 18
- Grant County 17
- Decatur County 16
- Randolph County 16
- Vigo County 16
- Dubois County 15
- LaPorte County 14
- Sullivan County 14
- Henry County 14
- Lawrence County 13
- Fountain County 12
- Jasper County 12
- Steuben County 11
- Marshall County 10
- Bartholomew County 10
- Spencer County 10
- Boone County 10
- Monroe County 9
- Vermillion County 8
- Jennings County 8
- Whitley County 8
- Daviess County 7
- Hendricks County 7
- Pike County 7
- Gibson County 7
- Vanderburgh County 5
- Martin County 5
- Madison County 5
- Putnam County 5
- Hancock County 5
- Jay County 5
- Scott County 4
- Perry County 4
- Franklin County 4
- Dearborn County 4
- Delaware County 3
Indiana, other years
Air-emissions stack tests recorded in Indiana, 2025
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2025-06-30 | INTAT PRECISION INCORPORATED — high-priority violation on file | RUSHVILLE, Rush, IN | Pass | State |
| 2025-06-30 | INTAT PRECISION INCORPORATED — high-priority violation on file | RUSHVILLE, Rush, IN | Pass | State |
| 2025-06-30 | INTAT PRECISION INCORPORATED — high-priority violation on file | RUSHVILLE, Rush, IN | Pass | State |
| 2025-06-30 | INTAT PRECISION INCORPORATED — high-priority violation on file | RUSHVILLE, Rush, IN | Pass | State |
| 2025-06-30 | INTAT PRECISION INCORPORATED — high-priority violation on file | RUSHVILLE, Rush, IN | Pass | State |
| 2025-06-30 | INTAT PRECISION INCORPORATED — high-priority violation on file | RUSHVILLE, Rush, IN | Pass | State |
| 2025-06-30 | INTAT PRECISION INCORPORATED — high-priority violation on file | RUSHVILLE, Rush, IN | Pass | State |
| 2025-06-30 | WARRICK NEWCO LLC — high-priority violation on file | NEWBURGH, Warrick, IN | Fail | State |
| 2025-06-30 | WARRICK NEWCO LLC — high-priority violation on file | NEWBURGH, Warrick, IN | Fail | State |
| 2025-06-26 | CONSOLIDATED GRAIN AND BARGE COMPANY | JEFFERSONVILLE, Clark, IN | Pass | State |
| 2025-06-26 | CONSOLIDATED GRAIN AND BARGE COMPANY | JEFFERSONVILLE, Clark, IN | Pass | State |
| 2025-06-26 | CONSOLIDATED GRAIN AND BARGE COMPANY | JEFFERSONVILLE, Clark, IN | Pass | State |
| 2025-06-26 | CONSOLIDATED GRAIN AND BARGE COMPANY | JEFFERSONVILLE, Clark, IN | Pass | State |
| 2025-06-26 | CONSOLIDATED GRAIN AND BARGE COMPANY | JEFFERSONVILLE, Clark, IN | Pass | State |
| 2025-06-26 | CONSOLIDATED GRAIN AND BARGE COMPANY | JEFFERSONVILLE, Clark, IN | Pass | State |
| 2025-06-26 | CONSOLIDATED GRAIN AND BARGE COMPANY | JEFFERSONVILLE, Clark, IN | Pass | State |
| 2025-06-26 | CONSOLIDATED GRAIN AND BARGE COMPANY | JEFFERSONVILLE, Clark, IN | Pass | State |
| 2025-06-26 | UNITED STATES GYPSUM COMPANY — high-priority violation on file | EAST CHICAGO, Lake, IN | Pass | State |
| 2025-06-26 | UNITED STATES GYPSUM COMPANY — high-priority violation on file | EAST CHICAGO, Lake, IN | Pass | State |
| 2025-06-26 | UNITED STATES GYPSUM COMPANY — high-priority violation on file | EAST CHICAGO, Lake, IN | Pass | State |
| 2025-06-26 | UNITED STATES GYPSUM COMPANY — high-priority violation on file | EAST CHICAGO, Lake, IN | Pass | State |
| 2025-06-26 | BUCKEYE TERMINALS LLC GRANGER TERMINAL | GRANGER, St. Joseph, IN | Pass | State |
| 2025-06-26 | THE FORD METER BOX COMPANY INC | WABASH, Wabash, IN | Pass | State |
| 2025-06-26 | THE FORD METER BOX COMPANY INC | WABASH, Wabash, IN | Pass | State |
| 2025-06-26 | THE FORD METER BOX COMPANY INC | WABASH, Wabash, IN | Pass | State |
| 2025-06-26 | THE FORD METER BOX COMPANY INC | WABASH, Wabash, IN | Pass | State |
| 2025-06-26 | THE FORD METER BOX COMPANY INC | WABASH, Wabash, IN | Pass | State |
| 2025-06-25 | CONSOLIDATED GRAIN AND BARGE COMPANY | JEFFERSONVILLE, Clark, IN | Pass | State |
| 2025-06-25 | CONSOLIDATED GRAIN AND BARGE COMPANY | JEFFERSONVILLE, Clark, IN | Pass | State |
| 2025-06-25 | CONSOLIDATED GRAIN AND BARGE COMPANY | JEFFERSONVILLE, Clark, IN | Pass | State |
| 2025-06-25 | CONSOLIDATED GRAIN AND BARGE COMPANY | JEFFERSONVILLE, Clark, IN | Pass | State |
| 2025-06-25 | UNITED STATES GYPSUM COMPANY — high-priority violation on file | EAST CHICAGO, Lake, IN | Pass | State |
| 2025-06-25 | UNITED STATES GYPSUM COMPANY — high-priority violation on file | EAST CHICAGO, Lake, IN | Fail | State |
| 2025-06-25 | UNITED STATES GYPSUM COMPANY — high-priority violation on file | EAST CHICAGO, Lake, IN | Fail | State |
| 2025-06-25 | UNITED STATES GYPSUM COMPANY — high-priority violation on file | EAST CHICAGO, Lake, IN | Fail | State |
| 2025-06-25 | UNITED STATES GYPSUM COMPANY — high-priority violation on file | EAST CHICAGO, Lake, IN | Pass | State |
| 2025-06-25 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | WHITING, Lake, IN | Pass | State |
| 2025-06-25 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | WHITING, Lake, IN | Pass | State |
| 2025-06-25 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | WHITING, Lake, IN | Pass | State |
| 2025-06-25 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | WHITING, Lake, IN | Pass | State |
| 2025-06-25 | METALX LLC DBA METALX WABASH | WABASH, Wabash, IN | Pass | State |
| 2025-06-25 | METALX LLC DBA METALX WABASH | WABASH, Wabash, IN | Pass | State |
| 2025-06-25 | METALX LLC DBA METALX WABASH | WABASH, Wabash, IN | Pass | State |
| 2025-06-25 | METALX LLC DBA METALX WABASH | WABASH, Wabash, IN | Pass | State |
| 2025-06-25 | METALX LLC DBA METALX WABASH | WABASH, Wabash, IN | Pass | State |
| 2025-06-25 | METALX LLC DBA METALX WABASH | WABASH, Wabash, IN | Pass | State |
| 2025-06-25 | METALX LLC DBA METALX WABASH | WABASH, Wabash, IN | Pass | State |
| 2025-06-25 | METALX LLC DBA METALX WABASH | WABASH, Wabash, IN | Pass | State |
| 2025-06-25 | METALX LLC DBA METALX WABASH | WABASH, Wabash, IN | Pass | State |
| 2025-06-25 | METALX LLC DBA METALX WABASH | WABASH, Wabash, IN | Pass | State |
| 2025-06-24 | UNITED STATES GYPSUM COMPANY — high-priority violation on file | EAST CHICAGO, Lake, IN | Pass | State |
| 2025-06-24 | UNITED STATES GYPSUM COMPANY — high-priority violation on file | EAST CHICAGO, Lake, IN | Pass | State |
| 2025-06-24 | UNITED STATES GYPSUM COMPANY — high-priority violation on file | EAST CHICAGO, Lake, IN | Pass | State |
| 2025-06-24 | UNITED STATES GYPSUM COMPANY — high-priority violation on file | EAST CHICAGO, Lake, IN | Pass | State |
| 2025-06-23 | E & B PAVING LLC | BLOOMINGTON, Monroe, IN | Pass | State |
| 2025-06-23 | E & B PAVING LLC | BLOOMINGTON, Monroe, IN | Pass | State |
| 2025-06-23 | E & B PAVING LLC | BLOOMINGTON, Monroe, IN | Pass | State |
| 2025-06-23 | E & B PAVING LLC | BLOOMINGTON, Monroe, IN | Pass | State |
| 2025-06-20 | ALCOA POWER GENERATING INC WARRICK POWER PLANT — high-priority violation on file | NEWBURGH, Warrick, IN | Pass | State |
| 2025-06-20 | WARRICK NEWCO LLC — high-priority violation on file | NEWBURGH, Warrick, IN | Fail | State |
| 2025-06-18 | BROOKS CONSTRUCTION COMPANY INC | AUBURN, DeKalb, IN | Pass | State |
| 2025-06-18 | BROOKS CONSTRUCTION COMPANY INC | AUBURN, DeKalb, IN | Pass | State |
| 2025-06-18 | BROOKS CONSTRUCTION COMPANY INC | AUBURN, DeKalb, IN | Pass | State |
| 2025-06-18 | BROOKS CONSTRUCTION COMPANY INC | AUBURN, DeKalb, IN | Pass | State |
| 2025-06-18 | BROOKS CONSTRUCTION COMPANY INC | AUBURN, DeKalb, IN | Fail | State |
| 2025-06-18 | COUNTY LINE LANDFILL | ARGOS, Marshall, IN | Pass | State |
| 2025-06-18 | MPLX TERMINALS LLC HAMMOND TERMINAL | HAMMOND, Lake, IN | Pass | State |
| 2025-06-18 | MPLX TERMINALS LLC HAMMOND TERMINAL | HAMMOND, Lake, IN | Pass | State |
| 2025-06-18 | MPLX TERMINALS LLC HAMMOND TERMINAL | HAMMOND, Lake, IN | Pass | State |
| 2025-06-18 | O-N MINERALS (PORTAGE) COMPANY LLC DBA CARMEUSE LIME & STONE — high-priority violation on file | PORTAGE, Porter, IN | Pass | State |
| 2025-06-18 | O-N MINERALS (PORTAGE) COMPANY LLC DBA CARMEUSE LIME & STONE — high-priority violation on file | PORTAGE, Porter, IN | Pass | State |
| 2025-06-18 | O-N MINERALS (PORTAGE) COMPANY LLC DBA CARMEUSE LIME & STONE — high-priority violation on file | PORTAGE, Porter, IN | Pass | State |
| 2025-06-18 | O-N MINERALS (PORTAGE) COMPANY LLC DBA CARMEUSE LIME & STONE — high-priority violation on file | PORTAGE, Porter, IN | Pass | State |
| 2025-06-18 | MATALCO BLUFFTON LLC — high-priority violation on file | BLUFFTON, Wells, IN | Fail | State |
| 2025-06-18 | MATALCO BLUFFTON LLC — high-priority violation on file | BLUFFTON, Wells, IN | Pass | State |
| 2025-06-17 | LASSUS BROTHERS TERMINAL INC | HUNTINGTON, Huntington, IN | Pass | State |
| 2025-06-17 | AMSTED RAIL COMPANY INC | HAMMOND, Lake, IN | Pass | State |
| 2025-06-17 | AMSTED RAIL COMPANY INC | HAMMOND, Lake, IN | Fail | State |
| 2025-06-17 | AMSTED RAIL COMPANY INC | HAMMOND, Lake, IN | Pass | State |
| 2025-06-17 | AMSTED RAIL COMPANY INC | HAMMOND, Lake, IN | Pass | State |
| 2025-06-17 | AMSTED RAIL COMPANY INC | HAMMOND, Lake, IN | Pass | State |
| 2025-06-16 | JENSTAR ASPHALT LLC | GARY, Lake, IN | Pass | State |
| 2025-06-16 | JENSTAR ASPHALT LLC | GARY, Lake, IN | Pass | State |
| 2025-06-16 | JENSTAR ASPHALT LLC | GARY, Lake, IN | Pass | State |
| 2025-06-16 | JENSTAR ASPHALT LLC | GARY, Lake, IN | Pass | State |
| 2025-06-13 | BUILDING MATERIALS MANUFACTURING LLC — high-priority violation on file | MOUNT VERNON, Posey, IN | Pass | State |
| 2025-06-13 | BUILDING MATERIALS MANUFACTURING LLC — high-priority violation on file | MOUNT VERNON, Posey, IN | Pass | State |
| 2025-06-13 | BUILDING MATERIALS MANUFACTURING LLC — high-priority violation on file | MOUNT VERNON, Posey, IN | Pass | State |
| 2025-06-13 | BUILDING MATERIALS MANUFACTURING LLC — high-priority violation on file | MOUNT VERNON, Posey, IN | Pass | State |
| 2025-06-13 | BUILDING MATERIALS MANUFACTURING LLC — high-priority violation on file | MOUNT VERNON, Posey, IN | Pass | State |
| 2025-06-12 | SUPERIOR ALUMINUM ALLOYS LLC — high-priority violation on file | NEW HAVEN, Allen, IN | Pass | State |
| 2025-06-12 | SUPERIOR ALUMINUM ALLOYS LLC — high-priority violation on file | NEW HAVEN, Allen, IN | Pass | State |
| 2025-06-12 | SUPERIOR ALUMINUM ALLOYS LLC — high-priority violation on file | NEW HAVEN, Allen, IN | Pass | State |
| 2025-06-12 | SUPERIOR ALUMINUM ALLOYS LLC — high-priority violation on file | NEW HAVEN, Allen, IN | Fail | State |
| 2025-06-12 | SUPERIOR ALUMINUM ALLOYS LLC — high-priority violation on file | NEW HAVEN, Allen, IN | Pass | State |
| 2025-06-12 | SUPERIOR ALUMINUM ALLOYS LLC — high-priority violation on file | NEW HAVEN, Allen, IN | Pass | State |
| 2025-06-12 | SUPERIOR ALUMINUM ALLOYS LLC — high-priority violation on file | NEW HAVEN, Allen, IN | Pass | State |
| 2025-06-12 | C & D TECHNOLOGIES INC | ATTICA, Fountain, IN | Pass | State |
| 2025-06-12 | C & D TECHNOLOGIES INC | ATTICA, Fountain, IN | Pass | State |
| 2025-06-12 | ROCHESTER METAL PRODUCTS CORPORATION — high-priority violation on file | ROCHESTER, Fulton, IN | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.