Key Takeaway
Boone Quarries-West is a active surface mine producing Stone, located in Columbia, Boone County, MO. It has 72 violations on record (13 S&S) and $8K in proposed penalties. Operated by Con-Agg Companies, LLC.
Boone Quarries-West
Operator: Con-Agg Companies, LLC
Controller: Summit Materials LLC
Location: Columbia, Boone County, MO
Employees: 13
Recent Violations
View all 72 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 12/30/2025 | 56.12028 | Non-S&S | ModNegligence | $151 |
| 12/30/2025 | 56.12032 | Non-S&S | LowNegligence | $151 |
| 12/30/2025 | 56.4011 | Non-S&S | ModNegligence | $177 |
| 12/30/2025 | 56.12032 | Non-S&S | ModNegligence | $151 |
| 04/09/2025 | 56.14107(a) | Non-S&S | LowNegligence | $151 |
| 04/09/2025 | 56.14132(b)(2) | Non-S&S | LowNegligence | $151 |
| 04/09/2025 | 56.14107(a) | Non-S&S | ModNegligence | $151 |
| 01/17/2025 | 56.9304(a) | Non-S&S | ModNegligence | $193 |
| 01/17/2025 | 56.13011 | Non-S&S | LowNegligence | $151 |
| 10/17/2023 | 56.4230(a)(1) | Non-S&S | LowNegligence | $143 |
| 10/17/2023 | 56.12004 | Non-S&S | LowNegligence | $143 |
| 07/25/2023 | 56.14107(a) | Non-S&S | LowNegligence | $143 |
| 07/25/2023 | 56.14107(a) | Non-S&S | LowNegligence | $143 |
| 07/24/2023 | 56.16006 | Non-S&S | LowNegligence | $143 |
| 03/08/2023 | 56.12004 | Non-S&S | LowNegligence | $143 |
| 01/27/2022 | 56.16007(b) | Non-S&S | ModNegligence | $133 |
| 07/30/2020 | 56.16005 | Non-S&S | ModNegligence | $123 |
| 07/30/2020 | 56.12004 | Non-S&S | ModNegligence | $123 |
| 01/28/2020 | 47.41(a) | Non-S&S | ModNegligence | $123 |
| 01/28/2020 | 56.4201(a)(1) | Non-S&S | ModNegligence | $123 |
Accidents & Injuries
View all 11 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 04/27/2009 | HANDTOOLS (NONPOWERED) | DAYS RESTRICTED ACTIVITY ONLY | 14d restricted |
| 02/16/2009 | HANDTOOLS (NONPOWERED) | DAYS RESTRICTED ACTIVITY ONLY | 191d restricted |
| 07/28/2008 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 25d restricted |
| 07/24/2003 | HANDTOOLS (NONPOWERED) | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 06/12/2003 | OTHER | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 03/21/2003 | HANDTOOLS (NONPOWERED) | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 03/17/2003 | HANDTOOLS (NONPOWERED) | DAYS RESTRICTED ACTIVITY ONLY | 4d restricted |
| 07/12/2002 | POWERED HAULAGE | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 11/12/2001 | MACHINERY | DAYS RESTRICTED ACTIVITY ONLY | 6d restricted |
| 04/26/2001 | OTHER | DAYS RESTRICTED ACTIVITY ONLY | 2d restricted |
Inspections
View all 51 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 12/30/2025 | 12/31/2025 | 15.00 | 1 |
| 04/09/2025 | 04/10/2025 | 13.50 | 1 |
| 01/17/2025 | 01/17/2025 | 12.50 | 1 |
| 07/09/2024 | 07/10/2024 | 14.00 | 1 |
| 06/26/2024 | 06/26/2024 | 1.25 | 1 |
| 10/17/2023 | 10/18/2023 | 11.50 | 1 |
| 07/24/2023 | 07/26/2023 | 23.00 | 1 |
| 03/08/2023 | 03/08/2023 | 10.50 | 1 |
| 08/31/2022 | 08/31/2022 | 3.50 | 1 |
| 01/27/2022 | 01/28/2022 | 7.75 | 1 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does Boone Quarries-West have?
Boone Quarries-West has 72 MSHA violations on record, of which 13 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $8K.
What type of mine is Boone Quarries-West?
Boone Quarries-West is a Surface mine producing Stone, located in Columbia, Boone County, MO. It currently has 13 employees.
Has anyone been injured or killed at Boone Quarries-West?
According to MSHA records, Boone Quarries-West has 11 reported accident/injury records and 0 fatalities on file.
Who operates Boone Quarries-West?
Boone Quarries-West is operated by Con-Agg Companies, LLC and controlled by Summit Materials LLC. MSHA Mine ID: 2300022.