EPA Air · stack tests by state, industry and year
Chemical manufacturing (NAICS 3251): stack tests in Nebraska, 2026
- 12Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row is one stack test recorded during 2026 at a Nebraska source whose primary industry code is NAICS 3251. A facility filing more than one industry code is counted under the first one on its record.
Chemical manufacturing (NAICS 3251) in Nebraska, other years
Other industries in Nebraska, 2026
Air-emissions stack tests recorded in Nebraska, 2026
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2026-06-02 | KAAPA PARTNERS AURORA LLC — high-priority violation on file | AURORA, Hamilton, NE | Pass | State |
| 2026-05-20 | CIE NORFOLK GNS LLC — high-priority violation on file | NORFOLK, Madison, NE | Pass | State |
| 2026-05-11 | SIOUXLAND ETHANOL LLC — high-priority violation on file | JACKSON, Dakota, NE | Pass | State |
| 2026-05-06 | CHIEF ETHANOL FUELS INC | HASTINGS, Adams, NE | N/A | State |
| 2026-04-21 | KAAPA ETHANOL RAVENNA LLC — high-priority violation on file | RAVENNA, Buffalo, NE | Pass | State |
| 2026-03-26 | GREEN PLAINS YORK LLC — high-priority violation on file | YORK, York, NE | N/A | State |
| 2026-03-24 | GREEN PLAINS YORK LLC — high-priority violation on file | YORK, York, NE | Fail | State |
| 2026-03-23 | GREEN PLAINS WOOD RIVER LLC — high-priority violation on file | WOOD RIVER, Hall, NE | Pass | State |
| 2026-03-18 | GREEN PLAINS WOOD RIVER LLC — high-priority violation on file | WOOD RIVER, Hall, NE | N/A | State |
| 2026-02-19 | HUSKER AG LLC | PLAINVIEW, Pierce, NE | Pass | State |
| 2026-01-25 | GREEN PLAINS CENTRAL CITY LLC — high-priority violation on file | CENTRAL CITY, Merrick, NE | Pass | State |
| 2026-01-22 | GREEN PLAINS CENTRAL CITY LLC — high-priority violation on file | CENTRAL CITY, Merrick, NE | N/A | State |
Primary NAICS code as filed on the facility record; dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.