EPA Air · stack tests by county and year
Air-emissions stack tests in St. Louis (city) County, Missouri, 2025
- 7Stack 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. Louis (city) County, Missouri 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 St. Louis (city) County facility page.
St. Louis (city) County, Missouri, 2025
Air-emissions stack tests in St. Louis (city) County, other years
Air-emissions stack tests recorded in St. Louis (city) County, Missouri, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-11-21 | KINDER MORGAN | Pass | State |
| 2025-11-19 | METROPOLITAN ST. LOUIS SEWER DISTRICT BISSELL POINT WWTP | Pending | State |
| 2025-11-03 | ANHEUSER BUSCH, LLC, ST.LOUIS BREWERY | Pass | State |
| 2025-08-04 | ELEMENTIS SPECIALITIES | Pass | State |
| 2025-04-25 | METROPOLITAN ST. LOUIS SEWER DISTRICT BISSELL POINT WWTP | Pass | State |
| 2025-04-24 | METROPOLITAN ST. LOUIS SEWER DISTRICT BISSELL POINT WWTP | Pass | State |
| 2025-01-14 | OSTARA INC. | N/A | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.