EPA Air · stack tests by county and year
Air-emissions stack tests in LaPorte County, Indiana, 2026
- 23Stack 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 LaPorte County, Indiana during 2026. 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 LaPorte County facility page.
LaPorte County, Indiana, 2026
Air-emissions stack tests in LaPorte County, other years
Air-emissions stack tests recorded in LaPorte County, Indiana, 2026
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2026-06-18 | RIETH RILEY ASPHALT PLANT NO 366 | Pass | State |
| 2026-06-18 | RIETH RILEY ASPHALT PLANT NO 366 | Pass | State |
| 2026-06-18 | RIETH RILEY ASPHALT PLANT NO 366 | Pass | State |
| 2026-06-18 | RIETH RILEY ASPHALT PLANT NO 366 | Pass | State |
| 2026-06-10 | KINGSBURY CASTINGS DIVISION | Pass | State |
| 2026-06-10 | KINGSBURY CASTINGS DIVISION | Pass | State |
| 2026-06-10 | KINGSBURY CASTINGS DIVISION | Pass | State |
| 2026-06-10 | KINGSBURY CASTINGS DIVISION | Pass | State |
| 2026-04-16 | HOWMET CASTINGS AND SERVICES INCORPORATED | Pass | State |
| 2026-04-16 | HOWMET CASTINGS AND SERVICES INCORPORATED | Pass | State |
| 2026-04-16 | HOWMET CASTINGS AND SERVICES INCORPORATED | Pass | State |
| 2026-04-16 | HOWMET CASTINGS AND SERVICES INCORPORATED | Pass | State |
| 2026-04-16 | HOWMET CASTINGS AND SERVICES INCORPORATED | Pass | State |
| 2026-04-15 | HOWMET CASTINGS AND SERVICES INCORPORATED | Pass | State |
| 2026-04-15 | HOWMET CASTINGS AND SERVICES INCORPORATED | Pass | State |
| 2026-04-15 | HOWMET CASTINGS AND SERVICES INCORPORATED | Pass | State |
| 2026-04-15 | HOWMET CASTINGS AND SERVICES INCORPORATED | Pass | State |
| 2026-04-15 | HOWMET CASTINGS AND SERVICES INCORPORATED | Pass | State |
| 2026-04-14 | HOWMET CASTINGS AND SERVICES INCORPORATED | Pass | State |
| 2026-04-14 | HOWMET CASTINGS AND SERVICES INCORPORATED | Pass | State |
| 2026-04-14 | HOWMET CASTINGS AND SERVICES INCORPORATED | Pass | State |
| 2026-04-14 | HOWMET CASTINGS AND SERVICES INCORPORATED | Pass | State |
| 2026-04-14 | HOWMET CASTINGS AND SERVICES INCORPORATED | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.