Key Takeaway
IROCK #5 is a active surface mine producing Stone, located in Lake Ozark, Miller County, MO. It has 11 violations on record (0 S&S) and $2K in proposed penalties. Operated by Magruder Limestone Co.
IROCK #5
Operator: Magruder Limestone Co
Controller: Mark Magruder
Location: Lake Ozark, Miller County, MO
Employees: 3
Recent Violations
View all 11 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 01/21/2026 | 47.44(b) | Non-S&S | ModNegligence | $151 |
| 01/21/2026 | 56.14100(b) | Non-S&S | ModNegligence | $151 |
| 05/28/2025 | 56.3200 | Non-S&S | ModNegligence | $151 |
| 05/28/2025 | 56.20003(a) | Non-S&S | ModNegligence | $151 |
| 03/11/2025 | 56.14207 | Non-S&S | ModNegligence | $151 |
| 03/11/2025 | 56.12028 | Non-S&S | ModNegligence | $151 |
| 04/10/2024 | 56.4201(a)(1) | Non-S&S | ModNegligence | $147 |
| 04/10/2024 | 56.14132(a) | Non-S&S | ModNegligence | $147 |
| 02/08/2024 | 56.14112(b) | Non-S&S | HighNegligence | $147 |
| 02/08/2024 | 56.14100(b) | Non-S&S | ModNegligence | $147 |
| 02/08/2024 | 56.4130(b) | Non-S&S | ModNegligence | $147 |
Accidents & Injuries
View all 2 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 01/30/2026 | DISORDERS (REPEATED TRAUMA) | OCCUPATNAL ILLNESS NOT DEG 1-6 | None |
| 08/29/2024 | HANDLING OF MATERIALS | DAYS AWAY FROM WORK ONLY | 2d lost |
Inspections
View all 7 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 01/21/2026 | 01/21/2026 | 11.00 | 1 |
| 05/28/2025 | 05/29/2025 | 22.00 | 1 |
| 03/11/2025 | 03/13/2025 | 16.25 | 1 |
| 10/31/2024 | 11/01/2024 | 11.00 | 1 |
| 04/10/2024 | 04/12/2024 | 16.50 | 1 |
| 02/08/2024 | 02/09/2024 | 15.25 | 1 |
| 10/05/2023 | 10/05/2023 | 5.75 | 1 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does IROCK #5 have?
IROCK #5 has 11 MSHA violations on record, of which 0 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $2K.
What type of mine is IROCK #5?
IROCK #5 is a Surface mine producing Stone, located in Lake Ozark, Miller County, MO. It currently has 3 employees.
Has anyone been injured or killed at IROCK #5?
According to MSHA records, IROCK #5 has 2 reported accident/injury records and 0 fatalities on file.
Who operates IROCK #5?
IROCK #5 is operated by Magruder Limestone Co and controlled by Mark Magruder. MSHA Mine ID: 2302583.