EPA Air · stack tests by county and year
Air-emissions stack tests in Jefferson County, Texas, 2025
- 83Stack 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 Jefferson 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 Jefferson County facility page.
Jefferson County, Texas, 2025
Air-emissions stack tests in Jefferson County, other years
Air-emissions stack tests recorded in Jefferson County, Texas, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-12-22 | PORT ARTHUR REFINERY — high-priority violation on file | Pass | State |
| 2025-12-09 | PORT ARTHUR REFINERY — high-priority violation on file | Pass | State |
| 2025-11-14 | PORT ARTHUR REFINERY — high-priority violation on file | Pass | State |
| 2025-11-14 | BASF TOTAL FINA NAFTA REGION OLEFINS COMPLEX — high-priority violation on file | Pass | State |
| 2025-11-14 | BAYPORT POLYMERS | Pass | State |
| 2025-11-03 | PORT ARTHUR REFINERY — high-priority violation on file | Pass | State |
| 2025-10-24 | BASF TOTAL FINA NAFTA REGION OLEFINS COMPLEX — high-priority violation on file | Pass | State |
| 2025-10-24 | BASF TOTAL FINA NAFTA REGION OLEFINS COMPLEX — high-priority violation on file | Pass | State |
| 2025-10-24 | BASF TOTAL FINA NAFTA REGION OLEFINS COMPLEX — high-priority violation on file | Pass | State |
| 2025-10-24 | BASF TOTAL FINA NAFTA REGION OLEFINS COMPLEX — high-priority violation on file | Pass | State |
| 2025-10-24 | BASF TOTAL FINA NAFTA REGION OLEFINS COMPLEX — high-priority violation on file | Pass | State |
| 2025-10-22 | BEAUMONT GAS TO GASOLINE PLANT — high-priority violation on file | N/A | State |
| 2025-10-20 | BEAUMONT GAS TO GASOLINE PLANT — high-priority violation on file | N/A | State |
| 2025-10-20 | BEAUMONT GAS TO GASOLINE PLANT — high-priority violation on file | N/A | State |
| 2025-09-22 | PORT ARTHUR REFINERY — high-priority violation on file | Pass | State |
| 2025-09-22 | BEAUMONT GAS TO GASOLINE PLANT — high-priority violation on file | Pass | State |
| 2025-09-22 | BEAUMONT GAS TO GASOLINE PLANT — high-priority violation on file | Pass | State |
| 2025-09-15 | PORT ARTHUR REFINERY — high-priority violation on file | Pass | State |
| 2025-09-15 | PORT ARTHUR REFINERY — high-priority violation on file | Pass | State |
| 2025-09-15 | PORT ARTHUR REFINERY — high-priority violation on file | Pass | State |
| 2025-09-15 | PORT ARTHUR REFINERY — high-priority violation on file | Pass | State |
| 2025-09-15 | PORT ARTHUR REFINERY — high-priority violation on file | Pass | State |
| 2025-09-05 | ARKEMA BEAUMONT PLANT | Pass | State |
| 2025-09-03 | EXXONMOBIL BEAUMONT REFINERY — high-priority violation on file | Pass | State |
| 2025-09-03 | PORT ARTHUR REFINERY — high-priority violation on file | Pass | State |
| 2025-09-03 | BAYPORT POLYMERS | Pass | State |
| 2025-08-29 | PORT ARTHUR REFINERY — high-priority violation on file | Pass | State |
| 2025-08-29 | PORT ARTHUR REFINERY — high-priority violation on file | Pass | State |
| 2025-08-28 | PORT ARTHUR REFINERY — high-priority violation on file | Pass | State |
| 2025-08-28 | PORT ARTHUR REFINERY — high-priority violation on file | Pass | State |
| 2025-08-28 | PORT ARTHUR REFINERY — high-priority violation on file | Pass | State |
| 2025-08-28 | PORT ARTHUR REFINERY — high-priority violation on file | Pass | State |
| 2025-08-28 | PORT ARTHUR REFINERY — high-priority violation on file | Pass | State |
| 2025-08-27 | EXXONMOBIL BEAUMONT REFINERY — high-priority violation on file | Pass | State |
| 2025-08-27 | EXXONMOBIL BEAUMONT REFINERY — high-priority violation on file | Pass | State |
| 2025-08-27 | EXXONMOBIL BEAUMONT REFINERY — high-priority violation on file | Pass | State |
| 2025-08-27 | PORT ARTHUR REFINERY — high-priority violation on file | Pass | State |
| 2025-08-15 | PORT ARTHUR REFINERY — high-priority violation on file | Pass | State |
| 2025-08-15 | PORT ARTHUR REFINERY — high-priority violation on file | Pass | State |
| 2025-08-15 | PORT ARTHUR REFINERY — high-priority violation on file | Pass | State |
| 2025-08-15 | PORT ARTHUR REFINERY — high-priority violation on file | Pass | State |
| 2025-08-13 | BEAUMONT CHEMICAL PLANT | Pass | State |
| 2025-08-13 | BEAUMONT CHEMICAL PLANT | Pass | State |
| 2025-08-13 | PORT ARTHUR REFINERY — high-priority violation on file | Pass | State |
| 2025-08-13 | PORT ARTHUR REFINERY — high-priority violation on file | Pass | State |
| 2025-07-22 | EXXONMOBIL OIL BEAUMONT CHEMICAL PLANT — high-priority violation on file | N/A | State |
| 2025-07-22 | BEAUMONT GAS TO GASOLINE PLANT — high-priority violation on file | N/A | State |
| 2025-07-22 | BEAUMONT GAS TO GASOLINE PLANT — high-priority violation on file | N/A | State |
| 2025-07-22 | BEAUMONT GAS TO GASOLINE PLANT — high-priority violation on file | N/A | State |
| 2025-06-27 | DOW BEAUMONT ANILINE | Pass | State |
| 2025-06-17 | EXXONMOBIL BEAUMONT REFINERY — high-priority violation on file | N/A | State |
| 2025-06-06 | EXXONMOBIL BEAUMONT REFINERY — high-priority violation on file | N/A | State |
| 2025-06-06 | EXXONMOBIL BEAUMONT REFINERY — high-priority violation on file | N/A | State |
| 2025-06-06 | EXXONMOBIL BEAUMONT REFINERY — high-priority violation on file | N/A | State |
| 2025-05-19 | BEAUMONT CHEMICAL PLANT | Pass | State |
| 2025-05-19 | BEAUMONT CHEMICAL PLANT | Pass | State |
| 2025-05-19 | MCA BEAUMONT SITE | Pass | State |
| 2025-05-12 | BEAUMONT CHEMICAL PLANT | Pass | State |
| 2025-05-09 | PORT NECHES OPERATIONS — high-priority violation on file | Pass | State |
| 2025-04-21 | EXXONMOBIL BEAUMONT REFINERY — high-priority violation on file | N/A | State |
| 2025-04-08 | PORT NECHES OPERATIONS — high-priority violation on file | Pass | State |
| 2025-04-08 | PORT NECHES OPERATIONS — high-priority violation on file | Pass | State |
| 2025-04-04 | BEAUMONT CHEMICAL PLANT | Pass | State |
| 2025-04-04 | PORT ARTHUR REFINERY — high-priority violation on file | Pass | State |
| 2025-02-25 | CHEVRON PHILLIPS CHEMICAL PORT ARTHUR FACILITY — high-priority violation on file | Pass | State |
| 2025-02-18 | EXXONMOBIL BEAUMONT REFINERY — high-priority violation on file | Pass | State |
| 2025-02-18 | EXXONMOBIL BEAUMONT REFINERY — high-priority violation on file | Pass | State |
| 2025-02-18 | EXXONMOBIL BEAUMONT REFINERY — high-priority violation on file | Pass | State |
| 2025-02-18 | BEAUMONT GAS TO GASOLINE PLANT — high-priority violation on file | Pass | State |
| 2025-02-14 | PORT ARTHUR REFINERY — high-priority violation on file | Pass | State |
| 2025-02-14 | PORT ARTHUR REFINERY — high-priority violation on file | Pass | State |
| 2025-02-14 | PORT ARTHUR REFINERY — high-priority violation on file | Pass | State |
| 2025-02-14 | PORT ARTHUR REFINERY — high-priority violation on file | Pass | State |
| 2025-02-14 | BEAUMONT GAS TO GASOLINE PLANT — high-priority violation on file | Pass | State |
| 2025-02-13 | PORT ARTHUR REFINERY — high-priority violation on file | Pass | State |
| 2025-02-13 | PORT ARTHUR REFINERY — high-priority violation on file | Pass | State |
| 2025-02-13 | PORT ARTHUR REFINERY — high-priority violation on file | Pass | State |
| 2025-02-13 | PORT ARTHUR REFINERY — high-priority violation on file | Pass | State |
| 2025-02-05 | BASF TOTAL FINA NAFTA REGION OLEFINS COMPLEX — high-priority violation on file | Pass | State |
| 2025-02-04 | BASF TOTAL FINA NAFTA REGION OLEFINS COMPLEX — high-priority violation on file | Pass | State |
| 2025-01-23 | EXXONMOBIL BEAUMONT REFINERY — high-priority violation on file | Pass | State |
| 2025-01-23 | EXXONMOBIL BEAUMONT REFINERY — high-priority violation on file | Pass | State |
| 2025-01-23 | EXXONMOBIL BEAUMONT REFINERY — high-priority violation on file | 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 Jefferson county, TX, for 2025. It lists 83 stack tests recorded in 2025.