EPA Air · stack tests by county and year
Air-emissions stack tests in Ellis County, Texas, 2025
- 11Stack 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 Ellis County, Texas 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 Ellis County facility page.
Ellis County, Texas, 2025
Air-emissions stack tests in Ellis County, other years
Air-emissions stack tests recorded in Ellis County, Texas, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-09-12 | OWENS CORNING INSULATING SYSTEMS WAXAHACHIE PLANT | Pass | State |
| 2025-09-12 | OWENS CORNING INSULATING SYSTEMS WAXAHACHIE PLANT | Pass | State |
| 2025-09-12 | HOWARD COMPRESSOR STATION | Pass | State |
| 2025-08-29 | MIDLOTHIAN FACILITY | Pass | State |
| 2025-07-29 | MIDLOTHIAN FACILITY | Pass | State |
| 2025-05-16 | MIDLOTHIAN FACILITY | Pass | State |
| 2025-05-16 | HOLCIM TEXAS | Pass | State |
| 2025-05-02 | GERDAU MIDLOTHIAN PLANT | Pass | State |
| 2025-02-27 | ASH GROVE CEMENT | Pass | State |
| 2025-02-26 | MIDLOTHIAN FACILITY | Pass | State |
| 2025-02-26 | MIDLOTHIAN FACILITY | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.
What this page shows
This page covers Clean Air Act facilities in the EPA air register with stack tests in Ellis county, TX, for 2025. Stack tests recorded in 2025: 11.