3M - Greystone Plant
Active
Surface
Stone
Operator: 3M Company
Controller: Minnesota Mining & Manufacturing Company
Location: Wausau, WI, Marathon County, WI
Employees: 61
369
Violations
59
S&S Violations
97
Accidents
$113K
Penalties
Recent Violations
View all 369 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 01/14/2026 | 56.4201(a)(2) | Non-S&S | LowNegligence | $151 |
| 01/14/2026 | 56.4201(a)(3) | Non-S&S | LowNegligence | $151 |
| 01/14/2026 | 56.4201(a)(2) | Non-S&S | LowNegligence | $151 |
| 01/14/2026 | 56.5001(a)/.5005 | Non-S&S | LowNegligence | $0 |
| 01/14/2026 | 56.20003(a) | S&S | ModNegligence | $3,184 |
| 01/14/2026 | 56.14110 | S&S | HighNegligence | $2,503 |
| 01/14/2026 | 56.4104(b) | Non-S&S | LowNegligence | $151 |
| 01/13/2026 | 56.14100(c) | Non-S&S | LowNegligence | $313 |
| 01/13/2026 | 56.9301 | Non-S&S | LowNegligence | $151 |
| 01/13/2026 | 56.12004 | Non-S&S | LowNegligence | $313 |
| 01/13/2026 | 56.4201(a)(1) | Non-S&S | LowNegligence | $151 |
| 01/13/2026 | 56.20003(a) | S&S | LowNegligence | $2,133 |
| 01/13/2026 | 56.4104(b) | Non-S&S | LowNegligence | $151 |
| 01/13/2026 | 56.14107(a) | Non-S&S | LowNegligence | $151 |
| 01/13/2026 | 56.4102 | Non-S&S | LowNegligence | $151 |
| 07/31/2025 | 56.11001 | Non-S&S | ModNegligence | $151 |
| 07/29/2025 | 56.18002(a) | S&S | ModNegligence | $642 |
| 07/29/2025 | 56.11003 | Non-S&S | ModNegligence | $151 |
| 07/29/2025 | 56.3200 | Non-S&S | ModNegligence | $432 |
| 07/29/2025 | 56.3200 | Non-S&S | ModNegligence | $432 |
Accidents & Injuries
View all 97 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 06/19/2025 | MACHINERY | DAYS AWAY FROM WORK ONLY | None |
| 05/16/2025 | POWERED HAULAGE | DAYS RESTRICTED ACTIVITY ONLY | 9d restricted |
| 06/16/2024 | HANDLING OF MATERIALS | DAYS AWAY FROM WORK ONLY | 255d lost |
| 05/11/2024 | STEPPING OR KNEELING ON OBJECT | DAYS AWAY FROM WORK ONLY | 1d lost |
| 01/16/2024 | POWERED HAULAGE | PERM TOT OR PERM PRTL DISABLTY | 148d lost |
| 05/14/2023 | HANDTOOLS (NONPOWERED) | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 04/03/2023 | HANDLING OF MATERIALS | DYS AWY FRM WRK & RESTRCTD ACT | 62d lost, 172d restricted |
| 11/15/2022 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 6d restricted |
| 11/03/2022 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 09/07/2022 | HANDTOOLS (NONPOWERED) | DAYS AWAY FROM WORK ONLY | 6d lost |
Inspections
View all 88 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 01/12/2026 | 01/15/2026 | 96.50 | 2 |
| 07/27/2025 | 08/01/2025 | 59.00 | 1 |
| 05/06/2025 | 05/06/2025 | 2.00 | 1 |
| 04/23/2025 | 04/28/2025 | 20.25 | 1 |
| 02/03/2025 | 02/13/2025 | 91.75 | 1 |
| 01/28/2025 | 02/03/2025 | 22.25 | 1 |
| 09/16/2024 | 09/19/2024 | 114.25 | 4 |
| 04/24/2024 | 04/24/2024 | 3.25 | 1 |
| 04/09/2024 | 04/16/2024 | 41.00 | 1 |
| 02/15/2024 | 02/15/2024 | 17.00 | 1 |
Mine Details
MSHA Mine ID4700119
Mine TypeSurface
StatusActive
CommodityStone
SIC DescriptionCrushed, Broken Granite
Employees61
Days/Week5.0
Hours/Shift8.0
Coordinates45.0555560, -89.6811110
Nearest TownWausau, WI
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Frequently Asked Questions
How many MSHA violations does 3M - Greystone Plant have?
3M - Greystone Plant has 369 MSHA violations on record, of which 59 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $113K.
What type of mine is 3M - Greystone Plant?
3M - Greystone Plant is a Surface mine producing Stone, located in Wausau, WI, Marathon County, WI. It currently has 61 employees.
Has anyone been injured or killed at 3M - Greystone Plant?
According to MSHA records, 3M - Greystone Plant has 97 reported accident/injury records and 0 fatalities on file.
Who operates 3M - Greystone Plant?
3M - Greystone Plant is operated by 3M Company and controlled by Minnesota Mining & Manufacturing Company. MSHA Mine ID: 4700119.