EPA Air · stack tests by county and year
Air-emissions stack tests in Monroe County, Mississippi, 2025
- 47Stack 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 Monroe County, Mississippi 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 Monroe County facility page.
Monroe County, Mississippi, 2025
Air-emissions stack tests in Monroe County, other years
Air-emissions stack tests recorded in Monroe County, Mississippi, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-09-12 | WESTLAKE CHEMICALS AND VINYLS LLC | Pass | State |
| 2025-09-12 | WESTLAKE CHEMICALS AND VINYLS LLC | Pass | State |
| 2025-09-12 | WESTLAKE CHEMICALS AND VINYLS LLC | Pass | State |
| 2025-09-12 | WESTLAKE CHEMICALS AND VINYLS LLC | Pass | State |
| 2025-09-11 | WESTLAKE CHEMICALS AND VINYLS LLC | Pass | State |
| 2025-09-11 | WESTLAKE CHEMICALS AND VINYLS LLC | Pass | State |
| 2025-09-11 | WESTLAKE CHEMICALS AND VINYLS LLC | Pass | State |
| 2025-09-11 | WESTLAKE CHEMICALS AND VINYLS LLC | Pass | State |
| 2025-09-10 | WESTLAKE CHEMICALS AND VINYLS LLC | Pass | State |
| 2025-09-10 | WESTLAKE CHEMICALS AND VINYLS LLC | Pass | State |
| 2025-09-10 | WESTLAKE CHEMICALS AND VINYLS LLC | Pass | State |
| 2025-09-10 | WESTLAKE CHEMICALS AND VINYLS LLC | Pass | State |
| 2025-09-10 | WESTLAKE CHEMICALS AND VINYLS LLC | Pass | State |
| 2025-09-10 | WESTLAKE CHEMICALS AND VINYLS LLC | Pass | State |
| 2025-09-10 | WESTLAKE CHEMICALS AND VINYLS LLC | Pass | State |
| 2025-09-10 | WESTLAKE CHEMICALS AND VINYLS LLC | Pass | State |
| 2025-09-10 | WESTLAKE CHEMICALS AND VINYLS LLC | Pass | State |
| 2025-09-10 | WESTLAKE CHEMICALS AND VINYLS LLC | Pass | State |
| 2025-09-10 | WESTLAKE CHEMICALS AND VINYLS LLC | Pass | State |
| 2025-09-10 | WESTLAKE CHEMICALS AND VINYLS LLC | Pass | State |
| 2025-09-10 | WESTLAKE CHEMICALS AND VINYLS LLC | Pass | State |
| 2025-09-10 | WESTLAKE CHEMICALS AND VINYLS LLC | Pass | State |
| 2025-09-10 | WESTLAKE CHEMICALS AND VINYLS LLC | Pass | State |
| 2025-09-10 | WESTLAKE CHEMICALS AND VINYLS LLC | Pass | State |
| 2025-09-09 | WESTLAKE CHEMICALS AND VINYLS LLC | Pass | State |
| 2025-09-09 | WESTLAKE CHEMICALS AND VINYLS LLC | Pass | State |
| 2025-09-09 | WESTLAKE CHEMICALS AND VINYLS LLC | Pass | State |
| 2025-09-09 | WESTLAKE CHEMICALS AND VINYLS LLC | Pass | State |
| 2025-09-09 | WESTLAKE CHEMICALS AND VINYLS LLC | Pass | State |
| 2025-09-09 | WESTLAKE CHEMICALS AND VINYLS LLC | Pass | State |
| 2025-09-09 | WESTLAKE CHEMICALS AND VINYLS LLC | Pass | State |
| 2025-09-09 | WESTLAKE CHEMICALS AND VINYLS LLC | Pass | State |
| 2025-07-30 | MONROE GAS STORAGE COMPANY LLC, MONROE GAS STORAGE PROJECT | Pass | State |
| 2025-07-30 | MONROE GAS STORAGE COMPANY LLC, MONROE GAS STORAGE PROJECT | Pass | State |
| 2025-07-30 | MONROE GAS STORAGE COMPANY LLC, MONROE GAS STORAGE PROJECT | Pass | State |
| 2025-07-29 | MONROE GAS STORAGE COMPANY LLC, MONROE GAS STORAGE PROJECT | Pass | State |
| 2025-07-29 | MONROE GAS STORAGE COMPANY LLC, MONROE GAS STORAGE PROJECT | Pass | State |
| 2025-07-29 | MONROE GAS STORAGE COMPANY LLC, MONROE GAS STORAGE PROJECT | Pass | State |
| 2025-07-29 | MONROE GAS STORAGE COMPANY LLC, MONROE GAS STORAGE PROJECT | Pass | State |
| 2025-07-29 | MONROE GAS STORAGE COMPANY LLC, MONROE GAS STORAGE PROJECT | Pass | State |
| 2025-07-29 | MONROE GAS STORAGE COMPANY LLC, MONROE GAS STORAGE PROJECT | Pass | State |
| 2025-06-27 | WATCO TRANSLOADING LLC, WTPS AMORY BULK TERMINAL — high-priority violation on file | Pass | State |
| 2025-06-27 | WATCO TRANSLOADING LLC, WTPS AMORY BULK TERMINAL — high-priority violation on file | Pass | State |
| 2025-06-27 | WATCO TRANSLOADING LLC, WTPS AMORY BULK TERMINAL — high-priority violation on file | Pass | State |
| 2025-06-27 | WATCO TRANSLOADING LLC, WTPS AMORY BULK TERMINAL — high-priority violation on file | Pass | State |
| 2025-06-27 | WATCO TRANSLOADING LLC, WTPS AMORY BULK TERMINAL — high-priority violation on file | Pass | State |
| 2025-06-27 | WATCO TRANSLOADING LLC, WTPS AMORY BULK TERMINAL — 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.