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 |
|---|---|---|---|
| 2025-12-19 | ANR PIPELINE COMPANY ST JOHN COMPRESSOR STATION | Pass | State |
| 2025-12-19 | ANR PIPELINE COMPANY ST JOHN COMPRESSOR STATION | Pass | State |
| 2025-12-19 | ANR PIPELINE COMPANY ST JOHN COMPRESSOR STATION | Pass | State |
| 2025-12-04 | US STEEL CORPORATION GARY WORKS — high-priority violation on file | Pass | State |
| 2025-12-04 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | Pass | State |
| 2025-12-04 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | Pass | State |
| 2025-12-04 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | Pass | State |
| 2025-12-04 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | Pass | State |
| 2025-11-20 | CENTURION CONTAINER LLC | Pass | State |
| 2025-11-18 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | Pass | State |
| 2025-11-18 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | Pass | State |
| 2025-11-18 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | Pass | State |
| 2025-11-18 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | Pass | State |
| 2025-10-30 | MIDWEST PIPE COATING | Pass | State |
| 2025-10-30 | MIDWEST PIPE COATING | Pass | State |
| 2025-10-30 | MIDWEST PIPE COATING | Pass | State |
| 2025-10-30 | MIDWEST PIPE COATING | Pass | State |
| 2025-10-30 | JUPITER ALUMINUM CORPORATION — high-priority violation on file | Pass | State |
| 2025-10-29 | ANR PIPELINE COMPANY ST JOHN COMPRESSOR STATION | Pass | State |
| 2025-10-29 | ANR PIPELINE COMPANY ST JOHN COMPRESSOR STATION | Pass | State |
| 2025-10-29 | UNITED STATES GYPSUM COMPANY — high-priority violation on file | Pass | State |
| 2025-10-29 | UNITED STATES GYPSUM COMPANY — high-priority violation on file | Pass | State |
| 2025-10-29 | UNITED STATES GYPSUM COMPANY — high-priority violation on file | Pass | State |
| 2025-10-29 | UNITED STATES GYPSUM COMPANY — high-priority violation on file | Pass | State |
| 2025-10-28 | ANR PIPELINE COMPANY ST JOHN COMPRESSOR STATION | Pass | State |
| 2025-09-16 | NATIONAL MATERIAL PROCESSING | Pass | State |
| 2025-09-04 | LINDE INC | Pass | State |
| 2025-08-28 | CLEVELAND-CLIFFS STEEL LLC — high-priority violation on file | Pass | State |
| 2025-08-28 | CLEVELAND-CLIFFS STEEL LLC — high-priority violation on file | Pass | State |
| 2025-08-28 | CLEVELAND-CLIFFS STEEL LLC — high-priority violation on file | Fail | State |
| 2025-08-14 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | Pass | State |
| 2025-08-14 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | Pass | State |
| 2025-08-14 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | Pass | State |
| 2025-08-14 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | Pass | State |
| 2025-08-11 | RESCO PRODUCTS INCORPORATED | Pass | State |
| 2025-08-11 | RESCO PRODUCTS INCORPORATED | Pass | State |
| 2025-08-11 | RESCO PRODUCTS INCORPORATED | Pass | State |
| 2025-08-11 | RESCO PRODUCTS INCORPORATED | Pass | State |
| 2025-08-11 | RESCO PRODUCTS INCORPORATED | Pass | State |
| 2025-08-05 | HAMMOND GROUP INCORPORATED | Pass | State |
| 2025-07-23 | INDIANA HARBOR COKE COMPANY LP CONTRACTOR OF CLEVELAND-CLIFF — high-priority violation on file | Fail | State |
| 2025-07-23 | INDIANA HARBOR COKE COMPANY LP CONTRACTOR OF CLEVELAND-CLIFF — high-priority violation on file | Pass | State |
| 2025-07-17 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | Pass | State |
| 2025-07-17 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | Pass | State |
| 2025-07-17 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | Pass | State |
| 2025-07-17 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | Pass | State |
| 2025-07-15 | US STEEL CORPORATION GARY WORKS — high-priority violation on file | Fail | State |
| 2025-07-15 | ALLIED TUBE AND CONDUIT CORPORATION | Pass | State |
| 2025-07-15 | ALLIED TUBE AND CONDUIT CORPORATION | Pass | State |
| 2025-07-15 | ALLIED TUBE AND CONDUIT CORPORATION | Pass | State |
| 2025-07-15 | ALLIED TUBE AND CONDUIT CORPORATION | Pass | State |
| 2025-07-15 | ALLIED TUBE AND CONDUIT CORPORATION | Pass | State |
| 2025-07-11 | MUNSTER STEEL COMPANY INCORPORATED | Pass | State |
| 2025-07-11 | MUNSTER STEEL COMPANY INCORPORATED | Pass | State |
| 2025-07-11 | MUNSTER STEEL COMPANY INCORPORATED | Pass | State |
| 2025-07-11 | MUNSTER STEEL COMPANY INCORPORATED | Pass | State |
| 2025-07-09 | UNILEVER MANUFACTURING US INC | Pass | State |
| 2025-07-09 | UNILEVER MANUFACTURING US INC | Pass | State |
| 2025-07-09 | UNILEVER MANUFACTURING US INC | Pass | State |
| 2025-06-26 | UNITED STATES GYPSUM COMPANY — high-priority violation on file | Pass | State |
| 2025-06-26 | UNITED STATES GYPSUM COMPANY — high-priority violation on file | Pass | State |
| 2025-06-26 | UNITED STATES GYPSUM COMPANY — high-priority violation on file | Pass | State |
| 2025-06-26 | UNITED STATES GYPSUM COMPANY — high-priority violation on file | Pass | State |
| 2025-06-25 | UNITED STATES GYPSUM COMPANY — high-priority violation on file | Pass | State |
| 2025-06-25 | UNITED STATES GYPSUM COMPANY — high-priority violation on file | Fail | State |
| 2025-06-25 | UNITED STATES GYPSUM COMPANY — high-priority violation on file | Fail | State |
| 2025-06-25 | UNITED STATES GYPSUM COMPANY — high-priority violation on file | Fail | State |
| 2025-06-25 | UNITED STATES GYPSUM COMPANY — high-priority violation on file | Pass | State |
| 2025-06-25 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | Pass | State |
| 2025-06-25 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | Pass | State |
| 2025-06-25 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | Pass | State |
| 2025-06-25 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | Pass | State |
| 2025-06-24 | UNITED STATES GYPSUM COMPANY — high-priority violation on file | Pass | State |
| 2025-06-24 | UNITED STATES GYPSUM COMPANY — high-priority violation on file | Pass | State |
| 2025-06-24 | UNITED STATES GYPSUM COMPANY — high-priority violation on file | Pass | State |
| 2025-06-24 | UNITED STATES GYPSUM COMPANY — high-priority violation on file | Pass | State |
| 2025-06-18 | MPLX TERMINALS LLC HAMMOND TERMINAL | Pass | State |
| 2025-06-18 | MPLX TERMINALS LLC HAMMOND TERMINAL | Pass | State |
| 2025-06-18 | MPLX TERMINALS LLC HAMMOND TERMINAL | Pass | State |
| 2025-06-17 | AMSTED RAIL COMPANY INC | Pass | State |
| 2025-06-17 | AMSTED RAIL COMPANY INC | Fail | State |
| 2025-06-17 | AMSTED RAIL COMPANY INC | Pass | State |
| 2025-06-17 | AMSTED RAIL COMPANY INC | Pass | State |
| 2025-06-17 | AMSTED RAIL COMPANY INC | Pass | State |
| 2025-06-16 | JENSTAR ASPHALT LLC | Pass | State |
| 2025-06-16 | JENSTAR ASPHALT LLC | Pass | State |
| 2025-06-16 | JENSTAR ASPHALT LLC | Pass | State |
| 2025-06-16 | JENSTAR ASPHALT LLC | Pass | State |
| 2025-06-10 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | Pass | State |
| 2025-06-10 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | Pass | State |
| 2025-06-10 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | Pass | State |
| 2025-06-10 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | Pass | State |
| 2025-06-04 | ECO SERVICES OPERATIONS CORP | Pass | State |
| 2025-05-29 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | Pass | State |
| 2025-05-29 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | Pass | State |
| 2025-05-29 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | Pass | State |
| 2025-05-15 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | Pass | State |
| 2025-05-15 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | Pass | State |
| 2025-05-14 | ANR PIPELINE COMPANY ST JOHN COMPRESSOR STATION | Pass | State |
| 2025-05-14 | ANR PIPELINE COMPANY ST JOHN COMPRESSOR STATION | Pass | State |
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Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.