EPA Air · inspections by county and year
Air-emissions inspections in St. Charles County, Missouri, 2025
- 12Inspections
A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source. Each row below is one inspection recorded against a source in St. Charles 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. Charles County facility page.
St. Charles County, Missouri, 2025
Air-emissions inspections in St. Charles County, other years
Air-emissions inspections recorded in St. Charles County, Missouri, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-12-09 | TRINITY PRODUCTS, LLC | FCE On-Site | State |
| 2025-12-08 | TRINITY MANUFACTURING LLC ST. CHARLES | FCE On-Site | State |
| 2025-10-15 | BMC STONE LLC-DEFIANCE QUARRY | FCE On-Site | State |
| 2025-08-12 | GENERAL MOTORS LLC | FCE On-Site | State |
| 2025-08-06 | BOEING COMPANY | FCE On-Site | State |
| 2025-07-02 | KNAPHEIDE TRUCK EQUIPMENT CO | FCE On-Site | State |
| 2025-05-21 | KIENSTRA READY MIX OF FORISTELL, LLC | FCE On-Site | State |
| 2025-05-16 | NEW FRONTIER MATERIALS - O'FALLON ASPHALT PLANT | FCE On-Site | State |
| 2025-04-07 | MITEK INDUSTRIES INC | FCE On-Site | State |
| 2025-02-25 | BMC O'FALLON | FCE On-Site | State |
| 2025-01-28 | AVMAT | FCE On-Site | State |
| 2025-01-22 | SSM HEALTH ST. JOSEPH'S HOSPITAL | FCE On-Site | State |
Dates as filed by the agency that recorded the inspection. Figures from EPA’s ICIS-AIR download.