EPA Air · stack tests by county and year
Air-emissions stack tests in Lancaster County, Nebraska, 2025
- 20Stack 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 Lancaster County, Nebraska 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 Lancaster County facility page.
Lancaster County, Nebraska, 2025
- Inspections 192
Air-emissions stack tests in Lancaster County, other years
Air-emissions stack tests recorded in Lancaster County, Nebraska, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-12-18 | NPPD SHELDON STATION | Pass | Local |
| 2025-08-28 | NPPD SHELDON STATION | Pass | Local |
| 2025-08-26 | NPPD SHELDON STATION | Pass | Local |
| 2025-08-22 | AGATE LLC | Pass | Local |
| 2025-08-20 | AGATE LLC | Pass | Local |
| 2025-08-13 | NPPD SHELDON STATION | Pass | Local |
| 2025-07-29 | ADM SOYBEAN OIL EXTRACTION PLANT | Pass | Local |
| 2025-07-28 | NPPD SHELDON STATION | Pass | Local |
| 2025-07-22 | NPPD SHELDON STATION | Pass | Local |
| 2025-07-21 | NPPD SHELDON STATION | Pass | Local |
| 2025-07-17 | NPPD SHELDON STATION | Pass | Local |
| 2025-07-16 | NPPD SHELDON STATION | Pass | Local |
| 2025-07-10 | LES ROKEBY PEAKING UNIT | Pass | Local |
| 2025-06-04 | NPPD SHELDON STATION | Pass | Local |
| 2025-05-28 | NPPD SHELDON STATION | Pass | Local |
| 2025-05-09 | AGATE LLC | Pass | Local |
| 2025-05-09 | AGATE LLC | Pass | Local |
| 2025-04-11 | NPPD SHELDON STATION | Pending | Local |
| 2025-01-16 | NPPD SHELDON STATION | Pass | Local |
| 2025-01-14 | NPPD SHELDON STATION | Pass | Local |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.