Key Takeaway
Magruder Limestone-Troy Quarry is a active surface mine producing Stone, located in Troy, Lincoln County, MO. It has 164 violations on record (26 S&S) and $24K in proposed penalties. Operated by Magruder Limestone Co Inc.
Magruder Limestone-Troy Quarry
Operator: Magruder Limestone Co Inc
Controller: Mark Magruder
Location: Troy, Lincoln County, MO
Employees: 8
Recent Violations
View all 164 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 10/16/2025 | 56.20003(a) | Non-S&S | LowNegligence | $151 |
| 10/16/2025 | 56.14100(b) | Non-S&S | LowNegligence | $151 |
| 06/17/2025 | 56.14132(a) | Non-S&S | LowNegligence | $151 |
| 06/17/2025 | 56.14132(a) | Non-S&S | LowNegligence | $151 |
| 03/10/2025 | 56.12008 | Non-S&S | LowNegligence | $151 |
| 03/10/2025 | 56.12008 | Non-S&S | LowNegligence | $151 |
| 06/12/2024 | 56.12018 | Non-S&S | ModNegligence | $147 |
| 06/12/2024 | 56.14100(b) | Non-S&S | HighNegligence | $172 |
| 12/05/2023 | 56.14112(a)(1) | Non-S&S | ModNegligence | $388 |
| 12/05/2023 | 56.14107(a) | Non-S&S | ModNegligence | $388 |
| 12/04/2023 | 56.12032 | S&S | ModNegligence | $1,246 |
| 05/08/2023 | 46.11(a) | Non-S&S | ModNegligence | $159 |
| 05/08/2023 | 46.12(a)(1) | Non-S&S | LowNegligence | $182 |
| 05/08/2023 | 56.14115(b) | Non-S&S | ModNegligence | $182 |
| 05/08/2023 | 56.4602 | Non-S&S | ModNegligence | $143 |
| 05/08/2023 | 56.12028 | Non-S&S | ModNegligence | $182 |
| 05/08/2023 | 56.12019 | Non-S&S | ModNegligence | $407 |
| 05/08/2023 | 56.14207 | Non-S&S | ModNegligence | $143 |
| 10/05/2022 | 56.9300(a) | S&S | ModNegligence | $518 |
| 10/05/2022 | 56.14132(a) | Non-S&S | ModNegligence | $133 |
Accidents & Injuries
View all 36 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 02/10/2026 | MACHINERY | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 02/03/2026 | HANDTOOLS (NONPOWERED) | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 01/30/2026 | DISORDERS (REPEATED TRAUMA) | OCCUPATNAL ILLNESS NOT DEG 1-6 | None |
| 05/05/2025 | SLIP OR FALL OF PERSON | DAYS RESTRICTED ACTIVITY ONLY | 17d restricted |
| 04/25/2025 | DISORDERS (REPEATED TRAUMA) | OCCUPATNAL ILLNESS NOT DEG 1-6 | None |
| 11/01/2024 | SLIP OR FALL OF PERSON | DAYS AWAY FROM WORK ONLY | 3d lost |
| 05/31/2024 | HANDTOOLS (NONPOWERED) | DAYS RESTRICTED ACTIVITY ONLY | 115d restricted |
| 06/09/2023 | SLIP OR FALL OF PERSON | DAYS AWAY FROM WORK ONLY | 5d lost |
| 10/08/2021 | HANDTOOLS (NONPOWERED) | DYS AWY FRM WRK & RESTRCTD ACT | 22d lost, 30d restricted |
| 08/07/2020 | HANDLING OF MATERIALS | DYS AWY FRM WRK & RESTRCTD ACT | 18d lost, 19d restricted |
Inspections
View all 83 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 10/14/2025 | 10/22/2025 | 69.00 | 1 |
| 07/10/2025 | 07/10/2025 | 1.75 | 1 |
| 06/17/2025 | 06/18/2025 | 13.00 | 1 |
| 03/10/2025 | 03/10/2025 | 11.00 | 1 |
| 06/12/2024 | 06/12/2024 | 0.50 | 1 |
| 06/12/2024 | 06/13/2024 | 16.00 | 1 |
| 12/04/2023 | 12/06/2023 | 25.25 | 1 |
| 05/17/2023 | 05/17/2023 | 1.25 | 1 |
| 05/08/2023 | 05/09/2023 | 18.00 | 1 |
| 10/05/2022 | 10/06/2022 | 29.50 | 1 |
Mine Details
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Frequently Asked Questions
How many MSHA violations does Magruder Limestone-Troy Quarry have?
Magruder Limestone-Troy Quarry has 164 MSHA violations on record, of which 26 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $24K.
What type of mine is Magruder Limestone-Troy Quarry?
Magruder Limestone-Troy Quarry is a Surface mine producing Stone, located in Troy, Lincoln County, MO. It currently has 8 employees.
Has anyone been injured or killed at Magruder Limestone-Troy Quarry?
According to MSHA records, Magruder Limestone-Troy Quarry has 36 reported accident/injury records and 0 fatalities on file.
Who operates Magruder Limestone-Troy Quarry?
Magruder Limestone-Troy Quarry is operated by Magruder Limestone Co Inc and controlled by Mark Magruder. MSHA Mine ID: 2300226.