EPA Air · stack tests by county and year
Air-emissions stack tests in Lawrence County, Indiana, 2026
- 13Stack 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 Lawrence 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 Lawrence County facility page.
Air-emissions stack tests in Lawrence County, other years
Air-emissions stack tests recorded in Lawrence County, Indiana, 2026
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2026-03-24 | HEIDELBERG MATERIALS US CEMENT LLC — high-priority violation on file | Pass | State |
| 2026-03-24 | HEIDELBERG MATERIALS US CEMENT LLC — high-priority violation on file | Pass | State |
| 2026-03-24 | HEIDELBERG MATERIALS US CEMENT LLC — high-priority violation on file | Pass | State |
| 2026-03-24 | HEIDELBERG MATERIALS US CEMENT LLC — high-priority violation on file | Pass | State |
| 2026-03-19 | HEIDELBERG MATERIALS US CEMENT LLC — high-priority violation on file | Pass | State |
| 2026-03-19 | HEIDELBERG MATERIALS US CEMENT LLC — high-priority violation on file | Pass | State |
| 2026-03-19 | HEIDELBERG MATERIALS US CEMENT LLC — high-priority violation on file | Pass | State |
| 2026-03-19 | HEIDELBERG MATERIALS US CEMENT LLC — high-priority violation on file | Pass | State |
| 2026-02-24 | GENERAL MOTORS LLC | Pass | State |
| 2026-02-24 | GENERAL MOTORS LLC | Pass | State |
| 2026-02-24 | GENERAL MOTORS LLC | Pass | State |
| 2026-02-24 | GENERAL MOTORS LLC | Pass | State |
| 2026-02-24 | GENERAL MOTORS LLC | Pass | State |
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 Lawrence county, IN, for 2026. It lists 13 stack tests recorded in 2026.