EPA Air · stack tests by state, industry and year
Chemical manufacturing (NAICS 3251): stack tests in Nebraska, 2025
- 40Stack 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 2025 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, 2025
- Utilities (NAICS 2211) 35
- Food manufacturing (NAICS 3112) 22
- Nonmetallic mineral product manufacturing (NAICS 3273) 12
- Data processing and hosting (NAICS 5182) 12
- Pipeline transportation (NAICS 4862) 7
- Administration of environmental programs (NAICS 9241) 4
Air-emissions stack tests recorded in Nebraska, 2025
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2025-11-19 | E ENERGY ADAMS LLC — high-priority violation on file | ADAMS, Gage, NE | Pass | State |
| 2025-11-18 | GREEN PLAINS CENTRAL CITY LLC — high-priority violation on file | CENTRAL CITY, Merrick, NE | Pass | State |
| 2025-09-25 | NEBRASKA CORN PROCESSING LLC — high-priority violation on file | CAMBRIDGE, Furnas, NE | N/A | State |
| 2025-09-25 | NEBRASKA CORN PROCESSING LLC — high-priority violation on file | CAMBRIDGE, Furnas, NE | Pass | State |
| 2025-09-25 | KAAPA ETHANOL LLC | MINDEN, Kearney, NE | Pass | State |
| 2025-09-25 | CARGILL INC POLYOL SWEETENERS | BLAIR, Washington, NE | Pass | State |
| 2025-09-24 | SIOUXLAND ETHANOL LLC — high-priority violation on file | JACKSON, Dakota, NE | N/A | State |
| 2025-09-23 | MID AMERICA AGRI PRODUCTS | MADRID, Perkins, NE | N/A | State |
| 2025-09-16 | KAAPA ETHANOL RAVENNA LLC — high-priority violation on file | RAVENNA, Buffalo, NE | Pass | State |
| 2025-09-16 | KAAPA ETHANOL LLC | MINDEN, Kearney, NE | N/A | State |
| 2025-09-12 | GREENAMERICA BIOFUELS ORD LLC | ORD, Valley, NE | Pass | State |
| 2025-09-10 | GREENAMERICA BIOFUELS ORD LLC | ORD, Valley, NE | N/A | State |
| 2025-09-08 | BRIDGEPORT ETHANOL LLC | BRIDGEPORT, Morrill, NE | Pass | State |
| 2025-08-27 | GREEN PLAINS YORK LLC — high-priority violation on file | YORK, York, NE | Pass | State |
| 2025-08-26 | GREEN PLAINS YORK LLC — high-priority violation on file | YORK, York, NE | N/A | State |
| 2025-08-21 | VALERO RENEWABLE FUELS COMPANY — high-priority violation on file | ALBION, Boone, NE | N/A | State |
| 2025-08-20 | GREEN PLAINS WOOD RIVER LLC — high-priority violation on file | WOOD RIVER, Hall, NE | Pass | State |
| 2025-08-19 | VALERO RENEWABLE FUELS COMPANY — high-priority violation on file | ALBION, Boone, NE | N/A | State |
| 2025-08-13 | GREEN PLAINS CENTRAL CITY LLC — high-priority violation on file | CENTRAL CITY, Merrick, NE | N/A | State |
| 2025-08-13 | GREEN PLAINS CENTRAL CITY LLC — high-priority violation on file | CENTRAL CITY, Merrick, NE | Pass | State |
| 2025-08-12 | CARGILL INC POLYOL SWEETENERS | BLAIR, Washington, NE | Pass | State |
| 2025-08-07 | POET BIOREFINING-FAIRMONT LLC — high-priority violation on file | FAIRMONT, Fillmore, NE | N/A | State |
| 2025-08-07 | POET BIOREFINING-FAIRMONT LLC — high-priority violation on file | FAIRMONT, Fillmore, NE | Pass | State |
| 2025-07-30 | CHIEF ETHANOL FUELS INC | HASTINGS, Adams, NE | Pass | State |
| 2025-07-29 | CHIEF ETHANOL FUELS INC | HASTINGS, Adams, NE | N/A | State |
| 2025-07-04 | KAAPA PARTNERS AURORA LLC — high-priority violation on file | AURORA, Hamilton, NE | Fail | State |
| 2025-05-30 | CIE NORFOLK GNS LLC — high-priority violation on file | NORFOLK, Madison, NE | Pass | State |
| 2025-05-15 | GREEN PLAINS YORK LLC — high-priority violation on file | YORK, York, NE | Pass | State |
| 2025-05-07 | GREEN PLAINS WOOD RIVER LLC — high-priority violation on file | WOOD RIVER, Hall, NE | N/A | State |
| 2025-05-07 | GREEN PLAINS WOOD RIVER LLC — high-priority violation on file | WOOD RIVER, Hall, NE | Pass | State |
| 2025-04-30 | POET BIOREFINING-FAIRMONT LLC — high-priority violation on file | FAIRMONT, Fillmore, NE | N/A | State |
| 2025-04-30 | POET BIOREFINING-FAIRMONT LLC — high-priority violation on file | FAIRMONT, Fillmore, NE | Pass | State |
| 2025-03-12 | KAAPA ETHANOL RAVENNA LLC — high-priority violation on file | RAVENNA, Buffalo, NE | N/A | State |
| 2025-03-11 | KAAPA ETHANOL RAVENNA LLC — high-priority violation on file | RAVENNA, Buffalo, NE | Pass | State |
| 2025-03-11 | POET BIOREFINING-FAIRMONT LLC — high-priority violation on file | FAIRMONT, Fillmore, NE | Pass | State |
| 2025-02-28 | GREEN PLAINS WOOD RIVER LLC — high-priority violation on file | WOOD RIVER, Hall, NE | Pass | State |
| 2025-01-29 | TRENTON AGRI PRODUCTS LLC | TRENTON, Hitchcock, NE | Pass | State |
| 2025-01-28 | TRENTON AGRI PRODUCTS LLC | TRENTON, Hitchcock, NE | Pass | State |
| 2025-01-22 | GREEN PLAINS WOOD RIVER LLC — high-priority violation on file | WOOD RIVER, Hall, NE | N/A | State |
| 2025-01-15 | POET BIOREFINING-FAIRMONT LLC — high-priority violation on file | FAIRMONT, Fillmore, NE | Pass | 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.