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

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.