EPA Air · stack tests by county and year
Air-emissions stack tests in Jackson County, Mississippi, 2026
- 16Stack 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 Jackson County, Mississippi 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 Jackson County facility page.
Jackson County, Mississippi, 2026
Air-emissions stack tests in Jackson County, other years
Air-emissions stack tests recorded in Jackson County, Mississippi, 2026
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2026-04-29 | CHEVRON USA INC, CHEVRON PRODUCTS COMPANY, PASCAGOULA REFINERY | Pass | State |
| 2026-04-29 | CHEVRON USA INC, CHEVRON PRODUCTS COMPANY, PASCAGOULA REFINERY | Pass | State |
| 2026-04-29 | CHEVRON USA INC, CHEVRON PRODUCTS COMPANY, PASCAGOULA REFINERY | Pass | State |
| 2026-04-28 | CHEVRON USA INC, CHEVRON PRODUCTS COMPANY, PASCAGOULA REFINERY | Pass | State |
| 2026-04-16 | CHEVRON USA INC, CHEVRON PRODUCTS COMPANY, PASCAGOULA REFINERY | Pass | State |
| 2026-04-16 | CHEVRON USA INC, CHEVRON PRODUCTS COMPANY, PASCAGOULA REFINERY | Pass | State |
| 2026-04-15 | CHEVRON USA INC, CHEVRON PRODUCTS COMPANY, PASCAGOULA REFINERY | Pass | State |
| 2026-04-14 | CHEVRON USA INC, CHEVRON PRODUCTS COMPANY, PASCAGOULA REFINERY | Pass | State |
| 2026-03-19 | CHEVRON USA INC, CHEVRON PRODUCTS COMPANY, PASCAGOULA REFINERY | Pass | State |
| 2026-03-19 | CHEVRON USA INC, CHEVRON PRODUCTS COMPANY, PASCAGOULA REFINERY | Pass | State |
| 2026-03-17 | CHEVRON USA INC, CHEVRON PRODUCTS COMPANY, PASCAGOULA REFINERY | Pass | State |
| 2026-03-17 | CHEVRON USA INC, CHEVRON PRODUCTS COMPANY, PASCAGOULA REFINERY | Pass | State |
| 2026-03-13 | GULF SOUTH PIPELINE COMPANY LLC, MOSS POINT COMPRESSOR STATION | Pass | State |
| 2026-03-13 | GULF SOUTH PIPELINE COMPANY LLC, MOSS POINT COMPRESSOR STATION | Pass | State |
| 2026-03-13 | GULF SOUTH PIPELINE COMPANY LLC, MOSS POINT COMPRESSOR STATION | Pass | State |
| 2026-02-12 | CHEVRON USA INC, CHEVRON PRODUCTS COMPANY, PASCAGOULA REFINERY | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.