EPA Air · stack tests by county and year
Air-emissions stack tests in San Patricio County, Texas, 2026
- 18Stack 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 San Patricio County, Texas 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 San Patricio County facility page.
San Patricio County, Texas, 2026
Air-emissions stack tests in San Patricio County, other years
Air-emissions stack tests recorded in San Patricio County, Texas, 2026
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2026-06-30 | OXYCHEM INGLESIDE PLANT | Pass | State |
| 2026-06-30 | OXYCHEM INGLESIDE PLANT | Pass | State |
| 2026-06-30 | OXYCHEM INGLESIDE PLANT | Pass | State |
| 2026-06-30 | OXYCHEM INGLESIDE PLANT | Pass | State |
| 2026-06-30 | OXYCHEM INGLESIDE PLANT | Pass | State |
| 2026-06-30 | OXYCHEM INGLESIDE PLANT | Pass | State |
| 2026-06-30 | OXYCHEM INGLESIDE PLANT | Pass | State |
| 2026-06-30 | OXYCHEM INGLESIDE PLANT | Pass | State |
| 2026-06-30 | OXYCHEM INGLESIDE PLANT | Pass | State |
| 2026-06-02 | GREGORY PLANT | Pass | State |
| 2026-06-02 | GREGORY PLANT | Pass | State |
| 2026-05-19 | GULF COAST GROWTH VENTURES PROJECT | Pass | State |
| 2026-05-19 | GULF COAST GROWTH VENTURES PROJECT | Pass | State |
| 2026-05-19 | GULF COAST GROWTH VENTURES PROJECT | Pass | State |
| 2026-05-19 | GULF COAST GROWTH VENTURES PROJECT | Pass | State |
| 2026-05-19 | GULF COAST GROWTH VENTURES PROJECT | Pass | State |
| 2026-05-19 | GULF COAST GROWTH VENTURES PROJECT | Pass | State |
| 2026-04-30 | STEEL DYNAMICS SOUTHWEST | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.