Key Takeaway
Rock Hill Quarry is a active surface mine producing Stone, located in Rock Hill, York County, SC. It has 116 violations on record (23 S&S) and $37K in proposed penalties. Operated by Martin Marietta Materials, Inc..
Rock Hill Quarry
Operator: Martin Marietta Materials, Inc.
Controller: Martin Marietta Materials Inc
Location: Rock Hill, York County, SC
Employees: 14
Recent Violations
View all 116 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 07/24/2025 | 46.7(a) | Non-S&S | LowNegligence | $168 |
| 02/18/2025 | 56.16005 | Non-S&S | ModNegligence | $151 |
| 02/18/2025 | 56.14109(b)(1) | Non-S&S | ModNegligence | $226 |
| 02/18/2025 | 56.20011 | Non-S&S | ModNegligence | $226 |
| 06/17/2024 | 56.14103(a) | Non-S&S | ModNegligence | $147 |
| 06/17/2024 | 56.14100(b) | Non-S&S | ModNegligence | $147 |
| 06/17/2024 | 56.14101(a)(3) | Non-S&S | ModNegligence | $147 |
| 06/17/2024 | 56.12008 | Non-S&S | ModNegligence | $204 |
| 01/10/2024 | 56.11012 | S&S | ModNegligence | $1,011 |
| 01/10/2024 | 56.14107 | Non-S&S | ModNegligence | $147 |
| 01/10/2024 | 56.14103(b) | Non-S&S | ModNegligence | $147 |
| 01/10/2024 | 56.14103(b) | S&S | ModNegligence | $147 |
| 01/10/2024 | 56.16005 | Non-S&S | ModNegligence | $147 |
| 07/06/2023 | 56.11002 | Non-S&S | ModNegligence | $143 |
| 07/06/2023 | 56.15005 | S&S | ModNegligence | $477 |
| 07/05/2023 | 56.11012 | Non-S&S | ModNegligence | $143 |
| 07/05/2023 | 56.14100(c) | Non-S&S | ModNegligence | $143 |
| 01/31/2023 | 56.14101(a)(2) | Non-S&S | ModNegligence | $143 |
| 01/31/2023 | 47.41(a) | Non-S&S | ModNegligence | $143 |
| 01/31/2023 | 56.12018 | Non-S&S | LowNegligence | $143 |
Accidents & Injuries
View all 15 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 12/03/2025 | MACHINERY | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 09/23/2024 | FIRE | ACCIDENT ONLY | None |
| 11/11/2021 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 1d restricted |
| 03/06/2020 | HANDTOOLS (NONPOWERED) | PERM TOT OR PERM PRTL DISABLTY | 24d restricted |
| 05/20/2019 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 3d restricted |
| 01/14/2019 | SLIP OR FALL OF PERSON | DYS AWY FRM WRK & RESTRCTD ACT | 10d lost, 56d restricted |
| 09/01/2016 | POWERED HAULAGE | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 11/08/2011 | HANDTOOLS (NONPOWERED) | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 07/15/2010 | MACHINERY | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 04/17/2009 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None |
Inspections
View all 77 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 12/16/2025 | 12/17/2025 | 13.75 | 1 |
| 07/23/2025 | 07/24/2025 | 16.25 | 1 |
| 02/18/2025 | 02/19/2025 | 16.00 | 1 |
| 09/23/2024 | 10/10/2024 | 6.00 | 1 |
| 08/12/2024 | 08/12/2024 | 7.50 | 1 |
| 06/24/2024 | 06/24/2024 | 2.75 | 1 |
| 06/17/2024 | 06/18/2024 | 17.75 | 1 |
| 01/10/2024 | 01/16/2024 | 24.00 | 1 |
| 07/05/2023 | 07/13/2023 | 24.50 | 1 |
| 02/06/2023 | 02/06/2023 | 3.50 | 1 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does Rock Hill Quarry have?
Rock Hill Quarry has 116 MSHA violations on record, of which 23 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $37K.
What type of mine is Rock Hill Quarry?
Rock Hill Quarry is a Surface mine producing Stone, located in Rock Hill, York County, SC. It currently has 14 employees.
Has anyone been injured or killed at Rock Hill Quarry?
According to MSHA records, Rock Hill Quarry has 15 reported accident/injury records and 0 fatalities on file.
Who operates Rock Hill Quarry?
Rock Hill Quarry is operated by Martin Marietta Materials, Inc. and controlled by Martin Marietta Materials Inc. MSHA Mine ID: 3800026.