Rockwood Plant
Active
Surface
Nonmetal
Operator: U S Silica Company
Controller: USS Holdings Inc
Location: Rockwood, Wayne County, MI
Employees: 12
190
Violations
30
S&S Violations
9
Accidents
$32K
Penalties
Recent Violations
View all 190 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 12/17/2025 | 47.44(b) | Non-S&S | LowNegligence | $151 |
| 12/16/2025 | 46.9(a) | Non-S&S | LowNegligence | $151 |
| 07/15/2025 | 56.14101(a)(2) | Non-S&S | LowNegligence | $151 |
| 07/15/2025 | 56.12002 | Non-S&S | LowNegligence | $151 |
| 02/25/2025 | 56.20003(a) | Non-S&S | ModNegligence | $151 |
| 02/25/2025 | 56.4201(b) | Non-S&S | LowNegligence | $151 |
| 02/24/2025 | 56.20003(b) | Non-S&S | LowNegligence | $151 |
| 02/24/2025 | 56.12018 | Non-S&S | ModNegligence | $151 |
| 02/24/2025 | 56.12004 | Non-S&S | LowNegligence | $151 |
| 07/17/2024 | 56.12004 | Non-S&S | LowNegligence | $172 |
| 07/16/2024 | 56.20003(a) | Non-S&S | LowNegligence | $147 |
| 02/13/2024 | 56.20003(a) | Non-S&S | ModNegligence | $147 |
| 02/13/2024 | 56.12008 | Non-S&S | ModNegligence | $147 |
| 02/13/2024 | 56.11002 | Non-S&S | ModNegligence | $147 |
| 02/13/2024 | 56.11001 | Non-S&S | ModNegligence | $147 |
| 01/16/2024 | 56.12004 | S&S | ModNegligence | $2,079 |
| 12/20/2023 | 56.11001 | S&S | ModNegligence | $1,773 |
| 03/09/2023 | 56.12019 | Non-S&S | ModNegligence | $143 |
| 03/08/2023 | 56.20003(a) | S&S | ModNegligence | $232 |
| 03/08/2023 | 56.11001 | Non-S&S | ModNegligence | $143 |
Accidents & Injuries
View all 9 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 05/26/2021 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 39d restricted |
| 09/05/2020 | POWERED HAULAGE | DAYS AWAY FROM WORK ONLY | 198d lost |
| 04/17/2020 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 5d restricted |
| 03/07/2014 | HANDLING OF MATERIALS | DYS AWY FRM WRK & RESTRCTD ACT | 1d lost, 57d restricted |
| 01/11/2011 | SLIP OR FALL OF PERSON | DAYS AWAY FROM WORK ONLY | 367d lost |
| 10/27/2004 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 8d restricted |
| 09/27/2003 | SLIP OR FALL OF PERSON | DAYS AWAY FROM WORK ONLY | 64d lost |
| 03/16/2003 | HANDTOOLS (NONPOWERED) | DAYS RESTRICTED ACTIVITY ONLY | 11d restricted |
| 03/28/2000 | SLIP OR FALL OF PERSON | DAYS RESTRICTED ACTIVITY ONLY | 15d restricted |
Inspections
View all 76 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 12/16/2025 | 12/17/2025 | 23.50 | 1 |
| 07/24/2025 | 07/24/2025 | 2.00 | 1 |
| 07/14/2025 | 07/16/2025 | 25.75 | 1 |
| 02/24/2025 | 02/27/2025 | 52.50 | 2 |
| 08/14/2024 | 08/15/2024 | 27.25 | 1 |
| 07/16/2024 | 07/18/2024 | 37.00 | 1 |
| 02/22/2024 | 02/22/2024 | 9.50 | 1 |
| 02/12/2024 | 02/15/2024 | 55.00 | 2 |
| 01/16/2024 | 01/17/2024 | 13.25 | 1 |
| 12/20/2023 | 12/20/2023 | 11.50 | 1 |
Mine Details
MSHA Mine ID2000608
Mine TypeSurface
StatusActive
CommodityNonmetal
SIC DescriptionSand, Industrial NEC
Employees12
Days/Week5.0
Hours/Shift8.0
Coordinates42.0708330, -83.2347220
Nearest TownRockwood
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Frequently Asked Questions
How many MSHA violations does Rockwood Plant have?
Rockwood Plant has 190 MSHA violations on record, of which 30 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $32K.
What type of mine is Rockwood Plant?
Rockwood Plant is a Surface mine producing Nonmetal, located in Rockwood, Wayne County, MI. It currently has 12 employees.
Has anyone been injured or killed at Rockwood Plant?
According to MSHA records, Rockwood Plant has 9 reported accident/injury records and 0 fatalities on file.
Who operates Rockwood Plant?
Rockwood Plant is operated by U S Silica Company and controlled by USS Holdings Inc. MSHA Mine ID: 2000608.