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

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.