Thompson Mine
Active
Surface
Nonmetal
Operator: Great Sand LLC
Controller: Covia Holdings LLC
Location: Thompson, Geauga County, OH
Employees: 23
480
Violations
108
S&S Violations
27
Accidents
$197K
Penalties
Recent Violations
View all 480 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 11/04/2025 | 56.20003(a) | Non-S&S | LowNegligence | $151 |
| 11/04/2025 | 56.14107(a) | Non-S&S | ModNegligence | $151 |
| 11/04/2025 | 56.12004 | Non-S&S | LowNegligence | $151 |
| 11/04/2025 | 56.14132(b)(2) | Non-S&S | LowNegligence | $151 |
| 11/04/2025 | 56.12032 | Non-S&S | LowNegligence | $151 |
| 11/03/2025 | 56.4101 | Non-S&S | HighNegligence | $549 |
| 11/03/2025 | 56.4101 | Non-S&S | HighNegligence | $1,818 |
| 11/03/2025 | 56.12018 | Non-S&S | ModNegligence | $549 |
| 11/03/2025 | 56.12006 | Non-S&S | ModNegligence | $245 |
| 06/25/2025 | 56.14101(a)(3) | Non-S&S | LowNegligence | $151 |
| 06/24/2025 | 56.14103(b) | Non-S&S | LowNegligence | $151 |
| 06/23/2025 | 50.30(a) | Non-S&S | ModNegligence | $151 |
| 06/23/2025 | 56.14101(a)(3) | Non-S&S | LowNegligence | $151 |
| 06/23/2025 | 56.4203 | Non-S&S | LowNegligence | $151 |
| 02/20/2025 | 56.14211(d) | Non-S&S | ModNegligence | $151 |
| 02/20/2025 | 56.12030 | Non-S&S | LowNegligence | $151 |
| 02/20/2025 | 56.4130(b) | Non-S&S | ModNegligence | $151 |
| 02/19/2025 | 56.12004 | S&S | LowNegligence | $151 |
| 02/19/2025 | 56.16005 | Non-S&S | LowNegligence | $151 |
| 02/19/2025 | 56.11001 | Non-S&S | LowNegligence | $151 |
Accidents & Injuries
View all 27 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 07/07/2025 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 15d restricted |
| 12/05/2023 | OCCUPATIONAL SKIN DISEASES | OCCUPATNAL ILLNESS NOT DEG 1-6 | None |
| 09/05/2023 | MACHINERY | DYS AWY FRM WRK & RESTRCTD ACT | 3d lost, 52d restricted |
| 02/20/2023 | SLIP OR FALL OF PERSON | DYS AWY FRM WRK & RESTRCTD ACT | 5d lost, 9d restricted |
| 09/26/2022 | SLIP OR FALL OF PERSON | DYS AWY FRM WRK & RESTRCTD ACT | 4d lost, 1d restricted |
| 01/21/2021 | SLIP OR FALL OF PERSON | DAYS AWAY FROM WORK ONLY | 1d lost |
| 12/17/2020 | SLIP OR FALL OF PERSON | DAYS RESTRICTED ACTIVITY ONLY | 437d restricted |
| 11/27/2018 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 142d restricted |
| 10/02/2018 | HANDTOOLS (NONPOWERED) | DAYS RESTRICTED ACTIVITY ONLY | 7d restricted |
| 05/16/2018 | SLIP OR FALL OF PERSON | DAYS AWAY FROM WORK ONLY | 4d lost |
Inspections
View all 117 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 11/03/2025 | 11/05/2025 | 79.50 | 2 |
| 07/10/2025 | 07/10/2025 | 1.75 | 1 |
| 06/23/2025 | 06/25/2025 | 38.50 | 1 |
| 03/12/2025 | 03/13/2025 | 11.25 | 1 |
| 02/11/2025 | 02/21/2025 | 42.50 | 1 |
| 12/09/2024 | 12/10/2024 | 12.00 | 1 |
| 09/23/2024 | 09/24/2024 | 19.25 | 3 |
| 06/20/2024 | 06/27/2024 | 39.00 | 1 |
| 04/22/2024 | 04/22/2024 | 7.25 | 1 |
| 04/05/2024 | 04/17/2024 | 7.50 | 1 |
Mine Details
MSHA Mine ID3301944
Mine TypeSurface
StatusActive
CommodityNonmetal
SIC DescriptionGround Silica
Employees23
Days/Week5.0
Hours/Shift10.0
Coordinates41.6777780, -81.0427780
Nearest TownThompson
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Frequently Asked Questions
How many MSHA violations does Thompson Mine have?
Thompson Mine has 480 MSHA violations on record, of which 108 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $197K.
What type of mine is Thompson Mine?
Thompson Mine is a Surface mine producing Nonmetal, located in Thompson, Geauga County, OH. It currently has 23 employees.
Has anyone been injured or killed at Thompson Mine?
According to MSHA records, Thompson Mine has 27 reported accident/injury records and 0 fatalities on file.
Who operates Thompson Mine?
Thompson Mine is operated by Great Sand LLC and controlled by Covia Holdings LLC. MSHA Mine ID: 3301944.