Key Takeaway

DMC Mine is a active surface mine producing SandAndGravel, located in Missoula, Missoula County, MT. It has 19 violations on record (1 S&S) and $2K in proposed penalties. Operated by Diversified Materials & Construction LLC.

DMC Mine

Active Surface SandAndGravel

Operator: Diversified Materials & Construction LLC

Controller: Cheryl L Thomas; Mark D Thomas

Location: Missoula, Missoula County, MT

Employees: 6

19
Violations
1
S&S Violations
5
Accidents
$2K
Penalties

Recent Violations

View all 19 →
Date Section S&S Negligence Penalty
06/30/2025 56.12028 Non-S&S ModNegligence $151
07/16/2023 50.30(a) Non-S&S LowNegligence $147
06/23/2021 56.9300(b) Non-S&S ModNegligence $125
10/16/2019 56.14100(b) Non-S&S LowNegligence $121
10/16/2019 56.4201(a)(2) Non-S&S LowNegligence $121
08/14/2018 56.12008 Non-S&S LowNegligence $118
03/05/2018 56.12028 Non-S&S LowNegligence $118
03/05/2018 50.20(a) Non-S&S LowNegligence $118
06/04/2014 56.14207 Non-S&S LowNegligence $100
06/04/2014 56.14103(b) Non-S&S ModNegligence $100
06/04/2014 46.9(a) Non-S&S ModNegligence $100
09/09/2013 56.14107(a) Non-S&S ModNegligence $100
09/09/2013 56.14132(b)(1)(i) Non-S&S LowNegligence $100
09/09/2013 56.12004 Non-S&S ModNegligence $100
10/28/2010 56.14101(a)(2) Non-S&S ModNegligence $100
06/20/2006 56.14130(g) Non-S&S ModNegligence $60
03/17/2005 56.12028 Non-S&S LowNegligence $60
11/17/2004 56.1000 Non-S&S ModNegligence $60
03/18/2004 56.14132(a) S&S LowNegligence $84

Accidents & Injuries

View all 5 →
Date Classification Injury Days Lost
09/14/2021 HANDTOOLS (NONPOWERED) NO DYS AWY FRM WRK,NO RSTR ACT None
10/17/2017 POWERED HAULAGE DYS AWY FRM WRK & RESTRCTD ACT 20d lost, 18d restricted
06/21/2006 HANDLING OF MATERIALS DYS AWY FRM WRK & RESTRCTD ACT 1d lost, 9d restricted
09/07/2004 HANDLING OF MATERIALS DAYS AWAY FROM WORK ONLY 3d lost
04/25/2003 HANDLING OF MATERIALS DAYS RESTRICTED ACTIVITY ONLY 18d restricted

Inspections

View all 33 →
Begin End Hours Inspectors
10/06/2025 10/09/2025 7.75 1
06/30/2025 07/01/2025 12.25 1
10/30/2024 10/31/2024 5.75 1
08/05/2024 08/07/2024 7.25 1
07/09/2024 07/10/2024 16.50 1
02/05/2024 02/06/2024 10.25 1
11/03/2022 11/04/2022 8.50 1
04/19/2022 04/19/2022 5.25 1
11/10/2021 11/10/2021 6.00 1
06/22/2021 06/23/2021 9.50 1

Mine Details

MSHA Mine ID2402211
Mine TypeSurface
StatusActive
CommoditySandAndGravel
SIC DescriptionConstruction Sand and Gravel
Employees6
Days/Week5.0
Hours/Shift8.0
Coordinates46.8780560, -114.0263890
Nearest TownMissoula

Frequently Asked Questions

How many MSHA violations does DMC Mine have?

DMC Mine has 19 MSHA violations on record, of which 1 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $2K.

What type of mine is DMC Mine?

DMC Mine is a Surface mine producing SandAndGravel, located in Missoula, Missoula County, MT. It currently has 6 employees.

Has anyone been injured or killed at DMC Mine?

According to MSHA records, DMC Mine has 5 reported accident/injury records and 0 fatalities on file.

Who operates DMC Mine?

DMC Mine is operated by Diversified Materials & Construction LLC and controlled by Cheryl L Thomas; Mark D Thomas. MSHA Mine ID: 2402211.