EPA Air · stack tests by county and year
Air-emissions stack tests in Le Sueur County, Minnesota, 2025
- 6Stack 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 Le Sueur County, Minnesota 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 Le Sueur County facility page.
Air-emissions stack tests in Le Sueur County, other years
Air-emissions stack tests recorded in Le Sueur County, Minnesota, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-11-19 | CAMBRIA CO | Pass | State |
| 2025-11-18 | CAMBRIA CO | Pass | State |
| 2025-08-25 | CAMBRIA CO | Pass | State |
| 2025-07-22 | CAMBRIA CO | Pass | State |
| 2025-06-23 | COVIA SOLUTIONS LLC - OTTAWA PLANT | Pass | State |
| 2025-04-29 | CAMBRIA CO | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.