EPA Air · stack tests by state and year
Air-emissions stack tests in Missouri, 2025
- 768Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Every stack test below was recorded against a source in Missouri during 2025; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in Missouri, 2025
- Johnson County 112
- Buchanan County 101
- Jefferson County 69
- Undetermined County 62
- Pettis County 42
- Dent County 24
- Shannon County 23
- Iron County 23
- Greene County 22
- Andrew County 21
- Bates County 20
- Ste. Genevieve County 19
- Hickory County 16
- Ray County 16
- Jasper County 16
- Henry County 16
- Jackson County 14
- Cass County 14
- Stoddard County 12
- St. Louis County 8
- St. Charles County 8
- St. Louis (city) County 7
- Cape Girardeau County 7
- Franklin County 7
- Knox County 6
- Randolph County 6
- Vernon County 6
- Cole County 6
- Washington County 6
- Boone County 5
- Lincoln County 5
- Clay County 5
- New Madrid County 4
- Chariton County 4
- Ralls County 3
- Madison County 3
- Lafayette County 3
- Pike County 3
- Maries County 3
- Barry County 3
Missouri, other years
Air-emissions stack tests recorded in Missouri, 2025
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2025-12-22 | CENTRAL STONE COMPANY EDINA QUARRY-KC01 | EDINA, Knox, MO | Pass | State |
| 2025-12-22 | CENTRAL STONE COMPANY EDINA QUARRY-KC01 | EDINA, Knox, MO | Pass | State |
| 2025-12-22 | CENTRAL STONE COMPANY EDINA QUARRY-KC01 | EDINA, Knox, MO | Pass | State |
| 2025-12-22 | CENTRAL STONE COMPANY EDINA QUARRY-KC01 | EDINA, Knox, MO | Pass | State |
| 2025-12-22 | CENTRAL STONE COMPANY EDINA QUARRY-KC01 | EDINA, Knox, MO | Pass | State |
| 2025-12-22 | CENTRAL STONE COMPANY EDINA QUARRY-KC01 | EDINA, Knox, MO | Pass | State |
| 2025-12-18 | CLARIOS, LLC | SAINT JOSEPH, Buchanan, MO | Pass | State |
| 2025-12-18 | CLARIOS, LLC | SAINT JOSEPH, Buchanan, MO | Pass | State |
| 2025-12-18 | CLARIOS, LLC | SAINT JOSEPH, Buchanan, MO | Fail | State |
| 2025-12-18 | CLARIOS, LLC | SAINT JOSEPH, Buchanan, MO | Pass | State |
| 2025-12-18 | CLARIOS, LLC | SAINT JOSEPH, Buchanan, MO | Pass | State |
| 2025-12-18 | CLARIOS, LLC | SAINT JOSEPH, Buchanan, MO | Pass | State |
| 2025-12-18 | NOBLE HILL SANITARY LANDFILL | WILLARD, Greene, MO | Pass | State |
| 2025-12-17 | CENTRAL MISSOURI SANITARY LANDFILL | SEDALIA, Pettis, MO | Pass | State |
| 2025-12-17 | CENTRAL MISSOURI SANITARY LANDFILL | SEDALIA, Pettis, MO | Pass | State |
| 2025-12-17 | CENTRAL MISSOURI RENEWABLE NATURAL GAS LLC | SEDALIA, Pettis, MO | Pass | State |
| 2025-12-12 | ENERSYS, INC. — high-priority violation on file | WARRENSBURG, Johnson, MO | Pass | State |
| 2025-12-12 | ENERSYS, INC. — high-priority violation on file | WARRENSBURG, Johnson, MO | Pass | State |
| 2025-12-12 | ENERSYS, INC. — high-priority violation on file | WARRENSBURG, Johnson, MO | Pass | State |
| 2025-12-12 | ENERSYS, INC. — high-priority violation on file | WARRENSBURG, Johnson, MO | Pass | State |
| 2025-12-12 | ENERSYS, INC. — high-priority violation on file | WARRENSBURG, Johnson, MO | Pass | State |
| 2025-12-12 | ENERSYS, INC. — high-priority violation on file | WARRENSBURG, Johnson, MO | Pass | State |
| 2025-12-12 | BASF AGRICULTURAL SOLUTIONS US LLC | PALMYRA, Marion, MO | Pass | State |
| 2025-12-11 | CLARIOS, LLC | SAINT JOSEPH, Buchanan, MO | Pass | State |
| 2025-12-11 | CLARIOS, LLC | SAINT JOSEPH, Buchanan, MO | Fail | State |
| 2025-12-11 | CLARIOS, LLC | SAINT JOSEPH, Buchanan, MO | Pass | State |
| 2025-12-11 | CLARIOS, LLC | SAINT JOSEPH, Buchanan, MO | Pass | State |
| 2025-12-11 | CLARIOS, LLC | SAINT JOSEPH, Buchanan, MO | Pass | State |
| 2025-12-11 | CLARIOS, LLC | SAINT JOSEPH, Buchanan, MO | Pass | State |
| 2025-12-11 | CLARIOS, LLC | SAINT JOSEPH, Buchanan, MO | Pass | State |
| 2025-12-11 | CLARIOS, LLC | SAINT JOSEPH, Buchanan, MO | Fail | State |
| 2025-12-11 | CLARIOS, LLC | SAINT JOSEPH, Buchanan, MO | Pass | State |
| 2025-12-11 | CLARIOS, LLC | SAINT JOSEPH, Buchanan, MO | Fail | State |
| 2025-12-11 | CLARIOS, LLC | SAINT JOSEPH, Buchanan, MO | Pass | State |
| 2025-12-11 | CLARIOS, LLC | SAINT JOSEPH, Buchanan, MO | Pass | State |
| 2025-12-11 | CLARIOS, LLC | SAINT JOSEPH, Buchanan, MO | Pass | State |
| 2025-12-11 | CLARIOS, LLC | SAINT JOSEPH, Buchanan, MO | Pass | State |
| 2025-12-11 | CLARIOS, LLC | SAINT JOSEPH, Buchanan, MO | Pass | State |
| 2025-12-11 | CLARIOS, LLC | SAINT JOSEPH, Buchanan, MO | Pass | State |
| 2025-12-11 | CLARIOS, LLC | SAINT JOSEPH, Buchanan, MO | Pass | State |
| 2025-12-11 | CLARIOS, LLC | SAINT JOSEPH, Buchanan, MO | Pass | State |
| 2025-12-11 | CLARIOS, LLC | SAINT JOSEPH, Buchanan, MO | Pass | State |
| 2025-12-11 | CLARIOS, LLC | SAINT JOSEPH, Buchanan, MO | Pass | State |
| 2025-12-10 | SOUTHWEST CLEAN WATER PLANT SPRINGFIELD | SPRINGFIELD, Greene, MO | Pass | State |
| 2025-12-10 | SOUTHWEST CLEAN WATER PLANT SPRINGFIELD | SPRINGFIELD, Greene, MO | Pass | State |
| 2025-12-10 | SOUTHWEST CLEAN WATER PLANT SPRINGFIELD | SPRINGFIELD, Greene, MO | Pass | State |
| 2025-12-10 | SOUTHWEST CLEAN WATER PLANT SPRINGFIELD | SPRINGFIELD, Greene, MO | Pass | State |
| 2025-12-10 | SOUTHWEST CLEAN WATER PLANT SPRINGFIELD | SPRINGFIELD, Greene, MO | Pass | State |
| 2025-12-10 | SOUTHWEST CLEAN WATER PLANT SPRINGFIELD | SPRINGFIELD, Greene, MO | Pass | State |
| 2025-12-10 | THE BOEING COMPANY | SAINT LOUIS COUNTY, St. Louis, MO | Pass | State |
| 2025-12-10 | THE BOEING COMPANY | SAINT LOUIS COUNTY, St. Louis, MO | Pass | State |
| 2025-12-09 | PRECOAT METALS | WASHINGTON, Franklin, MO | Pending | State |
| 2025-12-09 | PRECOAT METALS | WASHINGTON, Franklin, MO | Pending | State |
| 2025-12-08 | SOUTHWEST CLEAN WATER PLANT SPRINGFIELD | SPRINGFIELD, Greene, MO | Pass | State |
| 2025-12-02 | SOUTHERN STAR CENTRAL PIPELINE-PECULIAR | PECULIAR, Cass, MO | Pass | State |
| 2025-11-24 | CARGILL, INC. | KANSAS CITY, Jackson, MO | Pass | State |
| 2025-11-24 | CARGILL, INC. | KANSAS CITY, Jackson, MO | Pass | State |
| 2025-11-24 | CENTRAL STONE COMPANY - ANTONIA CS56 | ANTONIA, Jefferson, MO | Pass | State |
| 2025-11-24 | CENTRAL STONE COMPANY - ANTONIA CS56 | ANTONIA, Jefferson, MO | Pass | State |
| 2025-11-24 | CENTRAL STONE COMPANY - ANTONIA CS56 | ANTONIA, Jefferson, MO | Pass | State |
| 2025-11-24 | CENTRAL STONE COMPANY - ANTONIA CS56 | ANTONIA, Jefferson, MO | Pass | State |
| 2025-11-24 | CENTRAL STONE COMPANY - ANTONIA CS56 | ANTONIA, Jefferson, MO | Pass | State |
| 2025-11-24 | CENTRAL STONE COMPANY - ANTONIA CS56 | ANTONIA, Jefferson, MO | Pass | State |
| 2025-11-24 | CENTRAL STONE COMPANY - ANTONIA CS56 | ANTONIA, Jefferson, MO | Pass | State |
| 2025-11-24 | CENTRAL STONE COMPANY - ANTONIA CS56 | ANTONIA, Jefferson, MO | Pass | State |
| 2025-11-24 | CENTRAL STONE COMPANY - ANTONIA CS56 | ANTONIA, Jefferson, MO | Pass | State |
| 2025-11-24 | CENTRAL STONE COMPANY - ANTONIA CS56 | ANTONIA, Jefferson, MO | Pass | State |
| 2025-11-24 | CENTRAL STONE COMPANY - ANTONIA CS56 | ANTONIA, Jefferson, MO | Pass | State |
| 2025-11-24 | CENTRAL STONE COMPANY - ANTONIA CS56 | ANTONIA, Jefferson, MO | Pass | State |
| 2025-11-24 | CENTRAL STONE COMPANY - ANTONIA CS56 | ANTONIA, Jefferson, MO | Pass | State |
| 2025-11-24 | CENTRAL STONE COMPANY - ANTONIA CS56 | ANTONIA, Jefferson, MO | Pass | State |
| 2025-11-24 | CENTRAL STONE COMPANY - ANTONIA CS56 | ANTONIA, Jefferson, MO | Pass | State |
| 2025-11-24 | CENTRAL STONE COMPANY - ANTONIA CS56 | ANTONIA, Jefferson, MO | Pass | State |
| 2025-11-24 | CENTRAL STONE COMPANY - ANTONIA CS56 | ANTONIA, Jefferson, MO | Pass | State |
| 2025-11-24 | CENTRAL STONE COMPANY - ANTONIA CS56 | ANTONIA, Jefferson, MO | Pass | State |
| 2025-11-24 | CENTRAL STONE COMPANY - ANTONIA CS56 | ANTONIA, Jefferson, MO | Pass | State |
| 2025-11-24 | CENTRAL STONE COMPANY - ANTONIA CS56 | ANTONIA, Jefferson, MO | Pass | State |
| 2025-11-24 | CENTRAL MISSOURI SANITARY LANDFILL | SEDALIA, Pettis, MO | Pass | State |
| 2025-11-24 | CENTRAL MISSOURI SANITARY LANDFILL | SEDALIA, Pettis, MO | Pass | State |
| 2025-11-21 | CLARIOS, LLC | SAINT JOSEPH, Buchanan, MO | Pass | State |
| 2025-11-21 | CLARIOS, LLC | SAINT JOSEPH, Buchanan, MO | Pass | State |
| 2025-11-21 | CLARIOS, LLC | SAINT JOSEPH, Buchanan, MO | Pass | State |
| 2025-11-21 | CLARIOS, LLC | SAINT JOSEPH, Buchanan, MO | Pass | State |
| 2025-11-21 | CLARIOS, LLC | SAINT JOSEPH, Buchanan, MO | Pass | State |
| 2025-11-21 | CLARIOS, LLC | SAINT JOSEPH, Buchanan, MO | Pass | State |
| 2025-11-21 | CLARIOS, LLC | SAINT JOSEPH, Buchanan, MO | Pass | State |
| 2025-11-21 | CLARIOS, LLC | SAINT JOSEPH, Buchanan, MO | Pass | State |
| 2025-11-21 | CLARIOS, LLC | SAINT JOSEPH, Buchanan, MO | Pass | State |
| 2025-11-21 | CLARIOS, LLC | SAINT JOSEPH, Buchanan, MO | Pass | State |
| 2025-11-21 | CLARIOS, LLC | SAINT JOSEPH, Buchanan, MO | Pass | State |
| 2025-11-21 | CLARIOS, LLC | SAINT JOSEPH, Buchanan, MO | Pass | State |
| 2025-11-21 | CLARIOS, LLC | SAINT JOSEPH, Buchanan, MO | Pass | State |
| 2025-11-21 | CLARIOS, LLC | SAINT JOSEPH, Buchanan, MO | Pass | State |
| 2025-11-21 | ARDAGH GLASS INC. | PEVELY, Jefferson, MO | Pass | State |
| 2025-11-21 | ENERSYS, INC. — high-priority violation on file | WARRENSBURG, Johnson, MO | Pass | State |
| 2025-11-21 | ENERSYS, INC. — high-priority violation on file | WARRENSBURG, Johnson, MO | Pass | State |
| 2025-11-21 | ENERSYS, INC. — high-priority violation on file | WARRENSBURG, Johnson, MO | Pass | State |
| 2025-11-21 | ENERSYS, INC. — high-priority violation on file | WARRENSBURG, Johnson, MO | Pass | State |
| 2025-11-21 | ENERSYS, INC. — high-priority violation on file | WARRENSBURG, Johnson, MO | Pass | State |
| 2025-11-21 | ENERSYS, INC. — high-priority violation on file | WARRENSBURG, Johnson, MO | Pass | State |
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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 state MO for 2025. Stack tests recorded in 2025: 768.