Key Takeaway
Horner's Rock Material,LLC is a active surface mine producing Stone, located in Theodosia, Ozark County, MO. It has 22 violations on record (2 S&S) and $3K in proposed penalties. Operated by Horner's Rock Material,LLC.
Horner's Rock Material,LLC
Operator: Horner's Rock Material,LLC
Controller: Ritchie Horner; Alexander Horner
Location: Theodosia, Ozark County, MO
Employees: 2
Recent Violations
View all 22 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 09/04/2025 | 56.18014 | Non-S&S | ModNegligence | $151 |
| 09/04/2025 | 46.11(a) | Non-S&S | ModNegligence | $151 |
| 09/04/2025 | 47.31(a) | Non-S&S | HighNegligence | $151 |
| 09/04/2025 | 46.9(c)(3) | Non-S&S | ModNegligence | $151 |
| 09/04/2025 | 46.9(c)(3) | Non-S&S | ModNegligence | $151 |
| 09/04/2025 | 56.4330(a) | Non-S&S | ModNegligence | $151 |
| 09/04/2025 | 45.4(b) | Non-S&S | ModNegligence | $151 |
| 09/04/2025 | 50.30(a) | Non-S&S | LowNegligence | $151 |
| 09/03/2025 | 56.12023 | Non-S&S | ModNegligence | $151 |
| 09/03/2025 | 56.14130(g) | Non-S&S | ModNegligence | $151 |
| 09/03/2025 | 56.14100(d) | Non-S&S | HighNegligence | $151 |
| 09/03/2025 | 56.18002(d) | Non-S&S | HighNegligence | $151 |
| 09/02/2025 | 56.4101 | Non-S&S | ModNegligence | $151 |
| 09/02/2025 | 56.9300(a) | Non-S&S | ModNegligence | $151 |
| 09/02/2025 | 56.20008(a) | Non-S&S | ModNegligence | $151 |
| 08/28/2025 | 41.11 | Non-S&S | ModNegligence | $151 |
| 08/28/2025 | 56.12004 | Non-S&S | ModNegligence | $151 |
| 08/28/2025 | 56.14107(a) | S&S | ModNegligence | $165 |
| 08/28/2025 | 56.14112(b) | S&S | ModNegligence | $165 |
| 03/20/2025 | 46.5 | Non-S&S | LowNegligence | $168 |
Inspections
View all 3 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 09/15/2025 | 09/25/2025 | 16.25 | 1 |
| 08/28/2025 | 09/08/2025 | 43.00 | 1 |
| 03/20/2025 | 04/10/2025 | 17.75 | 1 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does Horner's Rock Material,LLC have?
Horner's Rock Material,LLC has 22 MSHA violations on record, of which 2 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $3K.
What type of mine is Horner's Rock Material,LLC?
Horner's Rock Material,LLC is a Surface mine producing Stone, located in Theodosia, Ozark County, MO. It currently has 2 employees.
Has anyone been injured or killed at Horner's Rock Material,LLC?
According to MSHA records, Horner's Rock Material,LLC has 0 reported accident/injury records and 0 fatalities on file.
Who operates Horner's Rock Material,LLC?
Horner's Rock Material,LLC is operated by Horner's Rock Material,LLC and controlled by Ritchie Horner; Alexander Horner. MSHA Mine ID: 2302593.