Key Takeaway
DEFIANCE QUARRY is a active surface mine producing Stone, located in Defiance, St Charles County, MO. It has 111 violations on record (20 S&S) and $25K in proposed penalties. Operated by BMC Stone, LLC.
DEFIANCE QUARRY
Operator: BMC Stone, LLC
Controller: BMC Enterprises Inc
Location: Defiance, St Charles County, MO
Employees: 10
Recent Violations
View all 111 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 10/27/2025 | 56.14110 | Non-S&S | ModNegligence | $366 |
| 10/27/2025 | 56.11003 | S&S | ModNegligence | $1,818 |
| 10/27/2025 | 56.12019 | Non-S&S | LowNegligence | $165 |
| 10/27/2025 | 56.20003(a) | S&S | ModNegligence | $1,818 |
| 10/27/2025 | 56.12004 | Non-S&S | LowNegligence | $165 |
| 10/23/2025 | 56.20003(a) | S&S | HighNegligence | $4,047 |
| 10/23/2025 | 56.14107(a) | Non-S&S | ModNegligence | $366 |
| 10/23/2025 | 56.14100(b) | Non-S&S | LowNegligence | $165 |
| 10/23/2025 | 56.20011 | Non-S&S | ModNegligence | $366 |
| 10/23/2025 | 56.12004 | Non-S&S | LowNegligence | $165 |
| 10/23/2025 | 46.7(a) | Non-S&S | ModNegligence | $407 |
| 05/22/2025 | 56.4203 | Non-S&S | ModNegligence | $151 |
| 05/22/2025 | 56.14207 | Non-S&S | ModNegligence | $151 |
| 05/22/2025 | 56.14112(a)(1) | Non-S&S | ModNegligence | $151 |
| 05/22/2025 | 56.14112(a)(1) | Non-S&S | ModNegligence | $151 |
| 05/21/2025 | 56.9300(b) | S&S | ModNegligence | $193 |
| 05/21/2025 | 56.14107(a) | Non-S&S | ModNegligence | $151 |
| 05/21/2025 | 56.4200(b)(2) | Non-S&S | ModNegligence | $151 |
| 05/21/2025 | 56.9300(a) | S&S | ModNegligence | $549 |
| 05/21/2025 | 56.12020 | Non-S&S | ModNegligence | $151 |
Accidents & Injuries
View all 7 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 01/04/2020 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 05/01/2015 | SLIP OR FALL OF PERSON | DYS AWY FRM WRK & RESTRCTD ACT | 91d lost, 99d restricted |
| 07/09/2007 | IGNITION OR EXPLOSION OF GAS OR DUST | DYS AWY FRM WRK & RESTRCTD ACT | 2d lost, 2d restricted |
| 08/04/2006 | SLIP OR FALL OF PERSON | DAYS RESTRICTED ACTIVITY ONLY | 10d restricted |
| 07/03/2006 | SLIP OR FALL OF PERSON | DAYS RESTRICTED ACTIVITY ONLY | 20d restricted |
| 09/07/2004 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 7d restricted |
| 01/10/2002 | HANDLING OF MATERIALS | PERM TOT OR PERM PRTL DISABLTY | None |
Inspections
View all 66 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 10/23/2025 | 10/29/2025 | 42.50 | 1 |
| 07/10/2025 | 07/10/2025 | 1.25 | 1 |
| 05/21/2025 | 05/22/2025 | 55.75 | 2 |
| 12/02/2024 | 12/05/2024 | 33.00 | 1 |
| 06/11/2024 | 06/11/2024 | 0.25 | 1 |
| 06/10/2024 | 06/11/2024 | 21.75 | 1 |
| 11/21/2023 | 11/22/2023 | 18.25 | 1 |
| 07/05/2023 | 07/06/2023 | 27.50 | 1 |
| 05/17/2023 | 05/17/2023 | 1.00 | 1 |
| 12/28/2022 | 12/29/2022 | 18.50 | 1 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does DEFIANCE QUARRY have?
DEFIANCE QUARRY has 111 MSHA violations on record, of which 20 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $25K.
What type of mine is DEFIANCE QUARRY?
DEFIANCE QUARRY is a Surface mine producing Stone, located in Defiance, St Charles County, MO. It currently has 10 employees.
Has anyone been injured or killed at DEFIANCE QUARRY?
According to MSHA records, DEFIANCE QUARRY has 7 reported accident/injury records and 0 fatalities on file.
Who operates DEFIANCE QUARRY?
DEFIANCE QUARRY is operated by BMC Stone, LLC and controlled by BMC Enterprises Inc. MSHA Mine ID: 2300043.