EPA Air · stack tests by county and year
Air-emissions stack tests in Johnson County, Iowa, 2025
- 11Stack 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 Johnson County, Iowa 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 Johnson County facility page.
Johnson County, Iowa, 2025
Air-emissions stack tests in Johnson County, other years
Air-emissions stack tests recorded in Johnson County, Iowa, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-12-11 | US FOODS - CORALVILLE | Pass | State |
| 2025-12-11 | US FOODS - CORALVILLE | Pass | State |
| 2025-10-22 | ENTERPRISE NGL PIPELINE- IOWA CITY TERMINAL | Pass | State |
| 2025-08-20 | UNIVERSITY OF IOWA | Pass | State |
| 2025-08-19 | LOPAREX INC | Pass | State |
| 2025-05-15 | UNIVERSITY OF IOWA | Pass | State |
| 2025-05-15 | UNIVERSITY OF IOWA | Pass | State |
| 2025-05-14 | UNIVERSITY OF IOWA | Pass | State |
| 2025-05-14 | UNIVERSITY OF IOWA | Pass | State |
| 2025-05-13 | UNIVERSITY OF IOWA | Pass | State |
| 2025-05-13 | UNIVERSITY OF IOWA | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.