Portable #1 (Red Rock Quarry)
Active
Surface
SandAndGravel
Operator: Red Rock Quarry
Controller: Mike Dean Scheffler
Location: Sanborn, Cottonwood County, MN
Employees: 16
241
Violations
50
S&S Violations
0
Accidents
$74K
Penalties
Recent Violations
View all 241 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 12/16/2025 | 56.11027 | Non-S&S | ModNegligence | $755 |
| 12/16/2025 | 56.4201(a)(2) | Non-S&S | ModNegligence | $226 |
| 12/16/2025 | 56.12004 | Non-S&S | ModNegligence | $755 |
| 12/16/2025 | 56.14131(b) | Non-S&S | ModNegligence | $226 |
| 12/15/2025 | 56.14107(a) | Non-S&S | ModNegligence | $336 |
| 12/15/2025 | 47.44(b) | Non-S&S | ModNegligence | $226 |
| 12/15/2025 | 47.44(b) | Non-S&S | ModNegligence | $226 |
| 12/15/2025 | 56.4402 | Non-S&S | ModNegligence | $226 |
| 12/15/2025 | 56.14101(a)(2) | Non-S&S | ModNegligence | $226 |
| 06/24/2025 | 56.4601 | Non-S&S | LowNegligence | $151 |
| 06/24/2025 | 56.12004 | Non-S&S | ModNegligence | $209 |
| 06/24/2025 | 56.4104(b) | Non-S&S | HighNegligence | $697 |
| 06/24/2025 | 56.11012 | Non-S&S | HighNegligence | $697 |
| 06/24/2025 | 56.12028 | Non-S&S | LowNegligence | $151 |
| 06/24/2025 | 56.12028 | Non-S&S | HighNegligence | $697 |
| 11/19/2024 | 56.14115(b) | Non-S&S | ModNegligence | $221 |
| 11/19/2024 | 56.14101(a)(2) | Non-S&S | LowNegligence | $147 |
| 11/19/2024 | 56.14100(c) | S&S | ModNegligence | $1,098 |
| 11/19/2024 | 50.30(a) | Non-S&S | HighNegligence | $204 |
| 08/28/2024 | 56.14112(b) | Non-S&S | LowNegligence | $328 |
Inspections
View all 41 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 12/15/2025 | 12/16/2025 | 22.75 | 1 |
| 06/24/2025 | 06/26/2025 | 27.75 | 1 |
| 11/18/2024 | 11/20/2024 | 16.00 | 1 |
| 09/04/2024 | 09/04/2024 | 7.50 | 1 |
| 08/28/2024 | 08/29/2024 | 22.50 | 1 |
| 03/11/2024 | 03/14/2024 | 26.25 | 1 |
| 08/14/2023 | 08/18/2023 | 20.50 | 1 |
| 07/17/2023 | 08/03/2023 | 39.50 | 1 |
| 12/09/2021 | 12/09/2021 | 9.00 | 1 |
| 11/15/2021 | 11/15/2021 | 7.75 | 1 |
Mine Details
MSHA Mine ID2103454
Mine TypeSurface
StatusActive
CommoditySandAndGravel
SIC DescriptionConstruction Sand and Gravel
Employees16
Days/Week5.0
Hours/Shift12.0
Coordinates44.2113890, -95.1319440
Nearest TownSanborn
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Frequently Asked Questions
How many MSHA violations does Portable #1 (Red Rock Quarry) have?
Portable #1 (Red Rock Quarry) has 241 MSHA violations on record, of which 50 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $74K.
What type of mine is Portable #1 (Red Rock Quarry)?
Portable #1 (Red Rock Quarry) is a Surface mine producing SandAndGravel, located in Sanborn, Cottonwood County, MN. It currently has 16 employees.
Has anyone been injured or killed at Portable #1 (Red Rock Quarry)?
According to MSHA records, Portable #1 (Red Rock Quarry) has 0 reported accident/injury records and 0 fatalities on file.
Who operates Portable #1 (Red Rock Quarry)?
Portable #1 (Red Rock Quarry) is operated by Red Rock Quarry and controlled by Mike Dean Scheffler. MSHA Mine ID: 2103454.