COLUMBIA PLANT
Active
Surface
Nonmetal
Operator: U S Silica Company
Controller: USS Holdings Inc
Location: Cayce, Lexington County, SC
Employees: 55
313
Violations
46
S&S Violations
27
Accidents
$121K
Penalties
Recent Violations
View all 313 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 01/20/2026 | 56.20003(a) | Non-S&S | ModNegligence | $0 |
| 01/20/2026 | 56.14100(c) | Non-S&S | ModNegligence | $0 |
| 09/22/2025 | 56.20003(b) | Non-S&S | ModNegligence | $151 |
| 07/14/2025 | 56.14112(b) | Non-S&S | ModNegligence | $151 |
| 07/14/2025 | 56.11001 | Non-S&S | ModNegligence | $151 |
| 06/02/2025 | 56.20003(a) | Non-S&S | ModNegligence | $151 |
| 05/31/2025 | 56.5001(a)/56.5005 | Non-S&S | ModNegligence | $151 |
| 05/30/2025 | 56.20003(a) | Non-S&S | ModNegligence | $151 |
| 05/30/2025 | 56.20003(a) | S&S | ModNegligence | $549 |
| 05/30/2025 | 47.41(a) | Non-S&S | ModNegligence | $151 |
| 05/30/2025 | 56.14130(g) | Non-S&S | ModNegligence | $398 |
| 05/30/2025 | 47.41(a) | Non-S&S | ModNegligence | $151 |
| 05/30/2025 | 56.14207 | Non-S&S | ModNegligence | $151 |
| 05/30/2025 | 56.16005 | Non-S&S | ModNegligence | $151 |
| 05/30/2025 | 56.16006 | Non-S&S | ModNegligence | $165 |
| 05/30/2025 | 56.11012 | Non-S&S | ModNegligence | $366 |
| 04/14/2025 | 56.5001(a)/56.5005 | Non-S&S | $0 | |
| 04/14/2025 | 56.5001(a)/56.5005 | Non-S&S | $0 | |
| 04/14/2025 | 56.5001(a)/56.5005 | Non-S&S | $0 | |
| 03/24/2025 | 46.5(a) | Non-S&S | ModNegligence | $407 |
Accidents & Injuries
View all 27 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 11/12/2022 | HANDLING OF MATERIALS | DYS AWY FRM WRK & RESTRCTD ACT | 1d lost, 29d restricted |
| 09/12/2022 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 03/03/2022 | SLIP OR FALL OF PERSON | DAYS RESTRICTED ACTIVITY ONLY | 14d restricted |
| 11/14/2021 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 2d restricted |
| 10/16/2019 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 7d restricted |
| 07/13/2019 | POWERED HAULAGE | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 02/11/2019 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 08/14/2015 | HANDLING OF MATERIALS | DAYS AWAY FROM WORK ONLY | 220d lost |
| 01/30/2015 | HANDLING OF MATERIALS | DAYS AWAY FROM WORK ONLY | 54d lost |
| 08/29/2014 | MACHINERY | DAYS AWAY FROM WORK ONLY | 207d lost |
Inspections
View all 106 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 02/17/2026 | 02/17/2026 | 2.00 | 1 |
| 02/04/2026 | 02/04/2026 | 3.50 | 1 |
| 01/20/2026 | 01/20/2026 | 10.00 | 1 |
| 11/19/2025 | 11/19/2025 | 7.50 | 1 |
| 09/22/2025 | 09/30/2025 | 13.00 | 1 |
| 08/26/2025 | 08/26/2025 | 5.50 | 1 |
| 08/14/2025 | 08/14/2025 | 6.50 | 1 |
| 07/24/2025 | 07/24/2025 | 6.25 | 1 |
| 07/21/2025 | 07/21/2025 | 3.75 | 1 |
| 07/14/2025 | 07/16/2025 | 11.25 | 1 |
Mine Details
MSHA Mine ID3800138
Mine TypeSurface
StatusActive
CommodityNonmetal
SIC DescriptionSand, Industrial NEC
Employees55
Days/Week7.0
Hours/Shift12.0
Coordinates33.8872220, -81.1650000
Nearest TownCayce
Related Mines
Ottawa Plant
Ottawa, La Salle County, IL
745 violations
Active
Colado Plant
Lovelock, Pershing County, NV
641 violations
Active
Middleton Operations
Middleton, Hardeman County, TN
545 violations
Active
Clark Operations
SPARKS, Storey County, NV
404 violations
Active
Berkeley Plant
Berkeley Springs, Morgan County, WV
375 violations
Active
EP Engineered Clays Corporation
Jackson, Hinds County, MS
375 violations
Active
Fernley Operations
Fernley, Churchill County, NV
297 violations
Active
CAYCE QUARRY
Cayce, Lexington County, SC
254 violations
Active
Frequently Asked Questions
How many MSHA violations does COLUMBIA PLANT have?
COLUMBIA PLANT has 313 MSHA violations on record, of which 46 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $121K.
What type of mine is COLUMBIA PLANT?
COLUMBIA PLANT is a Surface mine producing Nonmetal, located in Cayce, Lexington County, SC. It currently has 55 employees.
Has anyone been injured or killed at COLUMBIA PLANT?
According to MSHA records, COLUMBIA PLANT has 27 reported accident/injury records and 0 fatalities on file.
Who operates COLUMBIA PLANT?
COLUMBIA PLANT is operated by U S Silica Company and controlled by USS Holdings Inc. MSHA Mine ID: 3800138.