EPA Air · stack tests by county and year
Air-emissions stack tests in St. Charles County, Louisiana, 2026
- 4Stack 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 St. Charles County, Louisiana 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 St. Charles County facility page.
St. Charles County, Louisiana, 2026
- Inspections 12
Air-emissions stack tests in St. Charles County, other years
Air-emissions stack tests recorded in St. Charles County, Louisiana, 2026
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2026-07-15 | VALERO REFINING - NEW ORLEANS LLC - ST CHARLES REFINERY | Pass | State |
| 2026-02-24 | ADM GRAIN RIVER SYSTEM INC - AMA GRAIN ELEVATOR FACILITY | Pass | State |
| 2026-01-14 | ADM GRAIN RIVER SYSTEM INC - DESTREHAN FACILITY | Pass | State |
| 2026-01-06 | RAIN CII CARBON LLC - NORCO COKE CALCINING PLANT | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.