EPA Air · stack tests by county and year
Air-emissions stack tests in Lancaster County, Nebraska, 2026
- 9Stack 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 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 Lancaster County facility page.
Lancaster County, Nebraska, 2026
- Inspections 111
Air-emissions stack tests in Lancaster County, other years
Air-emissions stack tests recorded in Lancaster County, Nebraska, 2026
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2026-08-06 | NPPD SHELDON STATION | Pass | Local |
| 2026-07-29 | NPPD SHELDON STATION | Pass | Local |
| 2026-07-28 | NPPD SHELDON STATION | Pass | Local |
| 2026-07-20 | NPPD SHELDON STATION | Pass | Local |
| 2026-07-16 | NPPD SHELDON STATION | Pass | Local |
| 2026-07-15 | NPPD SHELDON STATION | Pass | Local |
| 2026-05-12 | NPPD SHELDON STATION | Pass | Local |
| 2026-04-23 | NPPD SHELDON STATION | Pass | Local |
| 2026-02-25 | NPPD SHELDON STATION | Pass | Local |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.