EPA Air · stack tests by county and year
Air-emissions stack tests in Muscatine County, Iowa, 2026
- 14Stack 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 Muscatine County, Iowa 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 Muscatine County facility page.
Muscatine County, Iowa, 2026
Air-emissions stack tests in Muscatine County, other years
Air-emissions stack tests recorded in Muscatine County, Iowa, 2026
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2026-05-13 | SSAB IOWA INC — high-priority violation on file | Pass | State |
| 2026-05-13 | SSAB IOWA INC — high-priority violation on file | Fail | State |
| 2026-05-12 | GRAIN PROCESSING CORP — high-priority violation on file | Pass | State |
| 2026-05-12 | GRAIN PROCESSING CORP — high-priority violation on file | Pass | State |
| 2026-05-12 | SSAB IOWA INC — high-priority violation on file | Pass | State |
| 2026-05-12 | SSAB IOWA INC — high-priority violation on file | Pass | State |
| 2026-04-15 | GRAIN PROCESSING CORP — high-priority violation on file | Pass | State |
| 2026-04-14 | GRAIN PROCESSING CORP — high-priority violation on file | Pass | State |
| 2026-03-11 | GRAIN PROCESSING CORP — high-priority violation on file | Pass | State |
| 2026-03-10 | GRAIN PROCESSING CORP — high-priority violation on file | Pass | State |
| 2026-02-24 | SSAB IOWA INC — high-priority violation on file | Pass | State |
| 2026-02-24 | SSAB IOWA INC — high-priority violation on file | Fail | State |
| 2026-02-24 | SSAB IOWA INC — high-priority violation on file | Pass | State |
| 2026-01-20 | GRAIN PROCESSING CORP — high-priority violation on file | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.