EPA Air · stack tests by county and year
Air-emissions stack tests in Mahaska County, Iowa, 2023
- 5Stack 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 Mahaska County, Iowa during 2023. 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 Mahaska County facility page.
Mahaska County, Iowa, 2023
Air-emissions stack tests in Mahaska County, other years
Air-emissions stack tests recorded in Mahaska County, Iowa, 2023
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2023-11-16 | CLOW VALVE COMPANY | Pass | State |
| 2023-09-12 | CLOW VALVE COMPANY | Pass | State |
| 2023-09-12 | CLOW VALVE COMPANY | Pass | State |
| 2023-03-21 | CLOW VALVE COMPANY | Pass | State |
| 2023-03-21 | CLOW VALVE COMPANY | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.