EPA Air · stack tests by county and year
Air-emissions stack tests in Tippecanoe County, Indiana, 2025
- 20Stack 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 Tippecanoe 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 Tippecanoe County facility page.
Tippecanoe County, Indiana, 2025
Air-emissions stack tests in Tippecanoe County, other years
Air-emissions stack tests recorded in Tippecanoe County, Indiana, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-12-18 | TATE & LYLE SOLUTIONS USA LLC — high-priority violation on file | Fail | State |
| 2025-10-23 | EVONIK CORPORATION TIPPECANOE LABORATORIES — high-priority violation on file | Pass | State |
| 2025-10-23 | EVONIK CORPORATION TIPPECANOE LABORATORIES — high-priority violation on file | Pass | State |
| 2025-10-23 | EVONIK CORPORATION TIPPECANOE LABORATORIES — high-priority violation on file | Pass | State |
| 2025-10-23 | EVONIK CORPORATION TIPPECANOE LABORATORIES — high-priority violation on file | Pass | State |
| 2025-10-23 | EVONIK CORPORATION TIPPECANOE LABORATORIES — high-priority violation on file | Pass | State |
| 2025-10-23 | EVONIK CORPORATION TIPPECANOE LABORATORIES — high-priority violation on file | Pass | State |
| 2025-10-23 | EVONIK CORPORATION TIPPECANOE LABORATORIES — high-priority violation on file | Pass | State |
| 2025-10-23 | EVONIK CORPORATION TIPPECANOE LABORATORIES — high-priority violation on file | Pass | State |
| 2025-08-13 | PRIMARY PRODUCTS INGREDIENTS AMERICAS, LLC | Pass | State |
| 2025-08-12 | REA MAGNET WIRE COMPANY INC — high-priority violation on file | Pass | State |
| 2025-08-12 | PRIMARY PRODUCTS INGREDIENTS AMERICAS, LLC | Pass | State |
| 2025-05-02 | REA MAGNET WIRE COMPANY INC — high-priority violation on file | Pass | State |
| 2025-03-06 | TATE & LYLE SOLUTIONS USA LLC — high-priority violation on file | Pass | State |
| 2025-03-06 | TATE & LYLE SOLUTIONS USA LLC — high-priority violation on file | Pass | State |
| 2025-02-06 | CATERPILLAR INCORPORATED | Pass | State |
| 2025-01-30 | PURDUE UNIVERSITY — high-priority violation on file | Pass | State |
| 2025-01-30 | PURDUE UNIVERSITY — high-priority violation on file | Pass | State |
| 2025-01-30 | PURDUE UNIVERSITY — high-priority violation on file | Pass | State |
| 2025-01-30 | PURDUE UNIVERSITY — high-priority violation on file | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.