Key Takeaway
MERCER STONE PLANT is a active surface mine producing Stone, located in Princeton, Mercer County, WV. It has 272 violations on record (64 S&S) and $117K in proposed penalties. Operated by Appalachian Aggregates LLC.
MERCER STONE PLANT
Operator: Appalachian Aggregates LLC
Controller: CRH PLC
Location: Princeton, Mercer County, WV
Employees: 27
Recent Violations
View all 272 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 03/03/2026 | Non-S&S | $0 | ||
| 03/03/2026 | 56.14101(a)(3) | S&S | LowNegligence | $0 |
| 03/03/2026 | 56.9101 | S&S | LowNegligence | $0 |
| 05/15/2025 | 47.31(a) | Non-S&S | ModNegligence | $151 |
| 05/15/2025 | 56.12008 | Non-S&S | ModNegligence | $151 |
| 05/15/2025 | 56.5005 | Non-S&S | HighNegligence | $366 |
| 05/13/2025 | 56.16005 | Non-S&S | ModNegligence | $151 |
| 05/12/2025 | 56.14132(b)(1)(i) | Non-S&S | ModNegligence | $151 |
| 05/12/2025 | 56.14100(b) | Non-S&S | ModNegligence | $151 |
| 05/12/2025 | 56.14132(b)(1)(i) | Non-S&S | ModNegligence | $151 |
| 11/25/2024 | 56.14100(a) | Non-S&S | LowNegligence | $151 |
| 11/25/2024 | 56.14100(a) | Non-S&S | LowNegligence | $151 |
| 11/25/2024 | 56.14101(a)(3) | Non-S&S | LowNegligence | $151 |
| 11/18/2024 | 56.14112(b) | Non-S&S | LowNegligence | $147 |
| 11/13/2024 | 56.14100(c) | Non-S&S | ModNegligence | $147 |
| 10/18/2024 | 50.20(a) | Non-S&S | ModNegligence | $147 |
| 05/09/2024 | 56.14112(a)(1) | S&S | ModNegligence | $626 |
| 05/09/2024 | 56.14112(b) | Non-S&S | ModNegligence | $147 |
| 05/09/2024 | 56.14112(b) | Non-S&S | ModNegligence | $147 |
| 01/10/2024 | 56.4201 | Non-S&S | ModNegligence | $797 |
Accidents & Injuries
View all 56 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 01/28/2026 | SLIP OR FALL OF PERSON | DAYS AWAY FROM WORK ONLY | None |
| 06/10/2025 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 10/07/2024 | SLIP OR FALL OF PERSON | DAYS RESTRICTED ACTIVITY ONLY | 194d restricted |
| 08/18/2023 | DISORDERS (REPEATED TRAUMA) | OCCUPATNAL ILLNESS NOT DEG 1-6 | None |
| 08/16/2021 | POWERED HAULAGE | DAYS RESTRICTED ACTIVITY ONLY | 12d restricted |
| 06/12/2021 | OTHER | ALL OTHER CASES (INCL 1ST AID) | None |
| 02/08/2021 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 4d restricted |
| 08/15/2020 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 4d restricted |
| 05/26/2020 | SLIP OR FALL OF PERSON | DAYS RESTRICTED ACTIVITY ONLY | 3d restricted |
| 01/10/2020 | SLIP OR FALL OF PERSON | DAYS RESTRICTED ACTIVITY ONLY | 7d restricted |
Inspections
View all 99 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 03/03/2026 | 26.00 | 1 | |
| 02/19/2026 | 8.50 | 1 | |
| 07/10/2025 | 07/10/2025 | 2.00 | 1 |
| 05/15/2025 | 05/15/2025 | 4.25 | 1 |
| 05/12/2025 | 05/20/2025 | 49.50 | 3 |
| 12/09/2024 | 12/09/2024 | 5.00 | 1 |
| 11/25/2024 | 11/27/2024 | 10.75 | 1 |
| 11/01/2024 | 12/04/2024 | 64.00 | 2 |
| 04/29/2024 | 05/13/2024 | 45.00 | 1 |
| 10/02/2023 | 01/10/2024 | 49.50 | 3 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does MERCER STONE PLANT have?
MERCER STONE PLANT has 272 MSHA violations on record, of which 64 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $117K.
What type of mine is MERCER STONE PLANT?
MERCER STONE PLANT is a Surface mine producing Stone, located in Princeton, Mercer County, WV. It currently has 27 employees.
Has anyone been injured or killed at MERCER STONE PLANT?
According to MSHA records, MERCER STONE PLANT has 56 reported accident/injury records and 0 fatalities on file.
Who operates MERCER STONE PLANT?
MERCER STONE PLANT is operated by Appalachian Aggregates LLC and controlled by CRH PLC. MSHA Mine ID: 4602793.