EPA Air · stack tests by state and year
Air-emissions stack tests in Texas, 2025
- 308Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Every stack test below was recorded against a source in Texas during 2025; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in Texas, 2025
- Jefferson County 83
- Karnes County 47
- San Patricio County 35
- Atascosa County 19
- Ellis County 11
- Winkler County 11
- Wise County 10
- Hood County 8
- Loving County 8
- Johnson County 7
- Tarrant County 7
- Parker County 6
- Nueces County 6
- Dallas County 6
- Orange County 6
- Calhoun County 6
- Martin County 5
- Brazoria County 3
- Upton County 3
- Collin County 3
- Gonzales County 3
Texas, other years
Air-emissions stack tests recorded in Texas, 2025
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2025-01-13 | STEEL DYNAMICS SOUTHWEST | SINTON, San Patricio, TX | N/A | State |
| 2025-01-09 | WOLF HOLLOW II | GRANBURY, Hood, TX | Pass | State |
| 2025-01-09 | WOLF HOLLOW II | GRANBURY, Hood, TX | Pass | State |
| 2025-01-09 | WOLF HOLLOW II | GRANBURY, Hood, TX | Pass | State |
| 2025-01-09 | WOLF HOLLOW II | GRANBURY, Hood, TX | Pass | State |
| 2025-01-02 | NORTH LONGHORN CENTRAL TANK BATTERY | KARNES CITY, Karnes, TX | N/A | State |
| 2025-01-02 | NORTH LONGHORN CENTRAL TANK BATTERY | KARNES CITY, Karnes, TX | N/A | State |
| 2025-01-02 | NORTH LONGHORN CENTRAL TANK BATTERY | KARNES CITY, Karnes, TX | N/A | State |
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Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.