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.
What this page shows
This page covers Clean Air Act facilities in the EPA air register with stack tests in Lake county, IN, in 2025. It lists 154 stack tests recorded in 2025.