Duffield Aggregate of Missouri
Active
Surface
Stone
Operator: Duffield Aggregate of Missouri, LLC
Controller: Luke B Duffield
Location: Potosi, Washington County, MO
Employees: 9
221
Violations
55
S&S Violations
8
Accidents
$176K
Penalties
Recent Violations
View all 221 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 10/07/2025 | 56.9300(b) | S&S | LowNegligence | $193 |
| 10/07/2025 | 56.14107(a) | Non-S&S | ModNegligence | $288 |
| 10/07/2025 | 56.14107(a) | Non-S&S | LowNegligence | $151 |
| 10/07/2025 | 56.11001 | Non-S&S | LowNegligence | $151 |
| 10/07/2025 | 56.11002 | Non-S&S | LowNegligence | $151 |
| 10/07/2025 | 56.11001 | Non-S&S | LowNegligence | $151 |
| 10/02/2025 | 56.3200 | S&S | ModNegligence | $3,448 |
| 10/02/2025 | 56.14107(a) | Non-S&S | LowNegligence | $151 |
| 10/02/2025 | 56.4100(b) | Non-S&S | LowNegligence | $151 |
| 05/21/2025 | 56.14112(b) | S&S | ModNegligence | $465 |
| 05/21/2025 | 56.12018 | Non-S&S | ModNegligence | $151 |
| 02/27/2025 | 56.12032 | Non-S&S | ModNegligence | $151 |
| 02/27/2025 | 56.14112(b) | Non-S&S | ModNegligence | $151 |
| 02/27/2025 | 56.9300(a) | Non-S&S | ModNegligence | $151 |
| 05/29/2024 | 56.14100(b) | Non-S&S | ModNegligence | $147 |
| 05/29/2024 | 56.14205 | Non-S&S | ModNegligence | $147 |
| 05/29/2024 | 56.12004 | Non-S&S | ModNegligence | $147 |
| 05/29/2024 | 56.12008 | Non-S&S | ModNegligence | $147 |
| 05/29/2024 | 56.12008 | Non-S&S | ModNegligence | $147 |
| 11/21/2023 | 56.20003(a) | Non-S&S | ModNegligence | $147 |
Accidents & Injuries
View all 8 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 05/24/2023 | HANDTOOLS (NONPOWERED) | DAYS AWAY FROM WORK ONLY | 23d lost |
| 02/08/2021 | POWERED HAULAGE | FATALITY | Fatal |
| 02/21/2018 | STEPPING OR KNEELING ON OBJECT | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 07/08/2017 | SLIP OR FALL OF PERSON | DAYS AWAY FROM WORK ONLY | 40d lost |
| 08/18/2016 | HANDLING OF MATERIALS | DAYS AWAY FROM WORK ONLY | 25d lost |
| 12/15/2015 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 06/07/2005 | SLIP OR FALL OF PERSON | DYS AWY FRM WRK & RESTRCTD ACT | 20d lost, 7d restricted |
| 04/18/2005 | SLIP OR FALL OF PERSON | DAYS AWAY FROM WORK ONLY | 9d lost |
Inspections
View all 82 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 10/01/2025 | 10/14/2025 | 57.25 | 1 |
| 05/21/2025 | 05/22/2025 | 16.00 | 1 |
| 02/25/2025 | 02/27/2025 | 11.50 | 1 |
| 05/28/2024 | 05/28/2024 | 0.50 | 1 |
| 05/28/2024 | 05/29/2024 | 13.50 | 1 |
| 11/21/2023 | 12/01/2023 | 16.00 | 1 |
| 05/17/2023 | 05/17/2023 | 1.25 | 1 |
| 05/09/2023 | 06/06/2023 | 22.25 | 1 |
| 04/17/2023 | 04/17/2023 | 3.25 | 1 |
| 12/11/2022 | 12/12/2022 | 11.50 | 1 |
Mine Details
MSHA Mine ID2302077
Mine TypeSurface
StatusActive
CommodityStone
SIC DescriptionCrushed, Broken Limestone NEC
Employees9
Days/Week5.0
Hours/Shift10.0
Coordinates37.7872220, -90.4297220
Nearest TownPotosi
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Frequently Asked Questions
How many MSHA violations does Duffield Aggregate of Missouri have?
Duffield Aggregate of Missouri has 221 MSHA violations on record, of which 55 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $176K.
What type of mine is Duffield Aggregate of Missouri?
Duffield Aggregate of Missouri is a Surface mine producing Stone, located in Potosi, Washington County, MO. It currently has 9 employees.
Has anyone been injured or killed at Duffield Aggregate of Missouri?
According to MSHA records, Duffield Aggregate of Missouri has 8 reported accident/injury records and 1 fatalities on file.
Who operates Duffield Aggregate of Missouri?
Duffield Aggregate of Missouri is operated by Duffield Aggregate of Missouri, LLC and controlled by Luke B Duffield. MSHA Mine ID: 2302077.