EPA Air · stack tests by county and year
Air-emissions stack tests in Lake County, Indiana, 2025
- 154Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row below is one stack test recorded against a source in Lake County, Indiana during 2025. A facility can appear several times: this is the year’s record of what happened, not a list of places. The sources themselves are on the Lake County facility page.
Lake County, Indiana, 2025
Air-emissions stack tests in Lake County, other years
Air-emissions stack tests recorded in Lake County, Indiana, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-05-14 | MILESTONE CONTRACTORS LP | Pass | State |
| 2025-05-13 | INDIANA HARBOR COKE COMPANY LP CONTRACTOR OF CLEVELAND-CLIFF — high-priority violation on file | Pass | State |
| 2025-05-13 | INDIANA HARBOR COKE COMPANY LP CONTRACTOR OF CLEVELAND-CLIFF — high-priority violation on file | Pass | State |
| 2025-05-13 | INDIANA HARBOR COKE COMPANY LP CONTRACTOR OF CLEVELAND-CLIFF — high-priority violation on file | Pass | State |
| 2025-05-13 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | Pass | State |
| 2025-05-13 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | Pass | State |
| 2025-05-09 | INDIANA HARBOR COKE COMPANY LP CONTRACTOR OF CLEVELAND-CLIFF — high-priority violation on file | Pass | State |
| 2025-05-08 | INDIANA HARBOR COKE COMPANY LP CONTRACTOR OF CLEVELAND-CLIFF — high-priority violation on file | Pass | State |
| 2025-05-08 | INDIANA HARBOR COKE COMPANY LP CONTRACTOR OF CLEVELAND-CLIFF — high-priority violation on file | Pass | State |
| 2025-05-07 | INDIANA HARBOR COKE COMPANY LP CONTRACTOR OF CLEVELAND-CLIFF — high-priority violation on file | Pass | State |
| 2025-05-07 | INDIANA HARBOR COKE COMPANY LP CONTRACTOR OF CLEVELAND-CLIFF — high-priority violation on file | Pass | State |
| 2025-05-06 | INDIANA HARBOR COKE COMPANY LP CONTRACTOR OF CLEVELAND-CLIFF — high-priority violation on file | Pass | State |
| 2025-05-06 | INDIANA HARBOR COKE COMPANY LP CONTRACTOR OF CLEVELAND-CLIFF — high-priority violation on file | Pass | State |
| 2025-04-29 | PROEDGE INC | Pass | State |
| 2025-04-24 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | Pass | State |
| 2025-04-24 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | Pass | State |
| 2025-04-24 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | Fail | State |
| 2025-04-24 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | Fail | State |
| 2025-04-09 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | Pass | State |
| 2025-04-09 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | Pass | State |
| 2025-04-08 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | Pass | State |
| 2025-04-08 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | Pass | State |
| 2025-04-08 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | Pass | State |
| 2025-03-26 | EXXONMOBIL PIPELINE COMPANY LLC | Pass | State |
| 2025-02-25 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | Pass | State |
| 2025-02-25 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | Pass | State |
| 2025-02-25 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | Pass | State |
| 2025-02-25 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | Pass | State |
| 2025-02-25 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | Pass | State |
| 2025-02-07 | REED MINERALS LLC | Pass | State |
| 2025-02-07 | REED MINERALS LLC | Pass | State |
| 2025-02-07 | REED MINERALS LLC | Pass | State |
| 2025-02-07 | REED MINERALS LLC | Pass | State |
| 2025-01-30 | JUPITER ALUMINUM CORPORATION — high-priority violation on file | Pass | State |
| 2025-01-30 | JUPITER ALUMINUM CORPORATION — high-priority violation on file | Pass | State |
| 2025-01-29 | JUPITER ALUMINUM CORPORATION — high-priority violation on file | Pass | State |
| 2025-01-29 | JUPITER ALUMINUM CORPORATION — high-priority violation on file | Pass | State |
| 2025-01-24 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | Pass | State |
| 2025-01-24 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | Pass | State |
| 2025-01-24 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | Pass | State |
| 2025-01-15 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | Pass | State |
| 2025-01-10 | MIDWEST AEROSPACE LLC — high-priority violation on file | Pass | State |
| 2025-01-10 | MIDWEST AEROSPACE LLC — high-priority violation on file | Fail | State |
| 2025-01-10 | MIDWEST AEROSPACE LLC — high-priority violation on file | Pass | State |
| 2025-01-10 | MIDWEST AEROSPACE LLC — high-priority violation on file | Pass | State |
| 2025-01-10 | MIDWEST AEROSPACE LLC — high-priority violation on file | Pass | State |
| 2025-01-10 | MIDWEST AEROSPACE LLC — high-priority violation on file | Pass | State |
| 2025-01-10 | MIDWEST AEROSPACE LLC — high-priority violation on file | Pass | State |
| 2025-01-09 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | Pass | State |
| 2025-01-09 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | Pass | State |
| 2025-01-09 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | Pass | State |
| 2025-01-09 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | Pass | State |
| 2025-01-03 | MIDWEST AEROSPACE LLC — high-priority violation on file | Pass | State |
| 2025-01-03 | MIDWEST AEROSPACE LLC — high-priority violation on file | Pass | State |
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Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.