Sylvania Minerals
Active
Surface
Stone
Operator: Sylvania Minerals LLC
Controller: Great Lakes Aggregates LLC
Location: Berlin Twp., Monroe County, MI
Employees: 49
189
Violations
33
S&S Violations
25
Accidents
$24K
Penalties
Recent Violations
View all 189 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 01/13/2026 | 56.12004 | Non-S&S | ModNegligence | $151 |
| 01/13/2026 | 56.12004 | Non-S&S | ModNegligence | $0 |
| 01/13/2026 | 56.4201(a)(2) | Non-S&S | LowNegligence | $151 |
| 01/12/2026 | 56.12004 | Non-S&S | ModNegligence | $151 |
| 07/23/2025 | 56.14112(b) | Non-S&S | LowNegligence | $151 |
| 07/23/2025 | 56.12016 | S&S | LowNegligence | $151 |
| 07/22/2025 | 56.12004 | Non-S&S | LowNegligence | $151 |
| 07/22/2025 | 56.12004 | Non-S&S | LowNegligence | $151 |
| 07/10/2024 | 56.16006 | Non-S&S | ModNegligence | $147 |
| 07/10/2024 | 46.5 | S&S | NoNegligence | $1,124 |
| 07/09/2024 | 56.14107(a) | Non-S&S | LowNegligence | $147 |
| 07/09/2024 | 56.20003(a) | Non-S&S | ModNegligence | $147 |
| 03/21/2024 | 56.12004 | Non-S&S | LowNegligence | $147 |
| 03/21/2024 | 56.12004 | Non-S&S | LowNegligence | $147 |
| 03/20/2024 | 56.14207 | Non-S&S | ModNegligence | $147 |
| 03/20/2024 | 56.4501 | Non-S&S | ModNegligence | $147 |
| 03/01/2023 | 56.14132(b)(1) | Non-S&S | ModNegligence | $143 |
| 03/01/2023 | 56.14101(a)(2) | Non-S&S | ModNegligence | $143 |
| 03/01/2023 | 56.14100(b) | Non-S&S | ModNegligence | $143 |
| 03/01/2023 | 56.14100(c) | S&S | ModNegligence | $143 |
Accidents & Injuries
View all 25 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 01/08/2026 | HANDTOOLS (NONPOWERED) | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 02/12/2025 | HANDLING OF MATERIALS | DAYS AWAY FROM WORK ONLY | None |
| 10/29/2024 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 05/14/2024 | HANDLING OF MATERIALS | DAYS AWAY FROM WORK ONLY | 112d lost |
| 04/24/2024 | HANDTOOLS (NONPOWERED) | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 04/19/2024 | MACHINERY | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 02/24/2023 | SLIP OR FALL OF PERSON | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 10/12/2022 | ALL OTHER OCCUPATIONAL ILLNESSES | OCCUPATNAL ILLNESS NOT DEG 1-6 | 132d lost, 54d restricted |
| 08/17/2019 | MACHINERY | ALL OTHER CASES (INCL 1ST AID) | None |
| 04/16/2015 | SLIP OR FALL OF PERSON | DAYS AWAY FROM WORK ONLY | 21d lost |
Inspections
View all 86 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 03/04/2026 | 0.00 | 0 | |
| 01/12/2026 | 01/15/2026 | 39.25 | 1 |
| 01/12/2026 | 01/15/2026 | 14.25 | 1 |
| 09/17/2025 | 09/17/2025 | 12.00 | 1 |
| 07/21/2025 | 07/24/2025 | 47.50 | 1 |
| 03/04/2025 | 03/06/2025 | 23.75 | 1 |
| 01/22/2025 | 01/22/2025 | 8.00 | 1 |
| 09/17/2024 | 09/18/2024 | 21.25 | 1 |
| 07/09/2024 | 07/11/2024 | 43.00 | 1 |
| 03/25/2024 | 03/25/2024 | 3.75 | 1 |
Mine Details
MSHA Mine ID2002964
Mine TypeSurface
StatusActive
CommodityStone
SIC DescriptionCrushed, Broken Limestone NEC
Employees49
Days/Week6.0
Hours/Shift10.0
Coordinates42.0519440, -83.2702780
Nearest TownBerlin Twp.
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Frequently Asked Questions
How many MSHA violations does Sylvania Minerals have?
Sylvania Minerals has 189 MSHA violations on record, of which 33 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $24K.
What type of mine is Sylvania Minerals?
Sylvania Minerals is a Surface mine producing Stone, located in Berlin Twp., Monroe County, MI. It currently has 49 employees.
Has anyone been injured or killed at Sylvania Minerals?
According to MSHA records, Sylvania Minerals has 25 reported accident/injury records and 0 fatalities on file.
Who operates Sylvania Minerals?
Sylvania Minerals is operated by Sylvania Minerals LLC and controlled by Great Lakes Aggregates LLC. MSHA Mine ID: 2002964.