Key Takeaway

DDM - Justin is a intermittent surface mine producing SandAndGravel, located in Justin, Denton County, TX. It has 3 violations on record (0 S&S) and $453 in proposed penalties. Operated by DDM Materials, Inc..

DDM - Justin

Intermittent Surface SandAndGravel

Operator: DDM Materials, Inc.

Controller: Jake Markwardt; Luke Markwardt; David Markwardt

Location: Justin, Denton County, TX

Employees: 15

3
Violations
0
S&S Violations
0
Accidents
$453
Penalties

Recent Violations

View all 3 →
Date Section S&S Negligence Penalty
09/17/2025 56.4101 Non-S&S ModNegligence $151
09/16/2025 56.12025 Non-S&S ModNegligence $151
09/16/2025 56.12004 Non-S&S ModNegligence $151

Inspections

View all 1 →
Begin End Hours Inspectors
09/16/2025 09/18/2025 23.50 1

Mine Details

MSHA Mine ID4105809
Mine TypeSurface
StatusIntermittent
CommoditySandAndGravel
SIC DescriptionSand, Common
Employees15
Days/Week6.0
Hours/Shift10.0
Coordinates33.0900000, -97.3130560
Nearest TownJustin

Frequently Asked Questions

How many MSHA violations does DDM - Justin have?

DDM - Justin has 3 MSHA violations on record, of which 0 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $453.

What type of mine is DDM - Justin?

DDM - Justin is a Surface mine producing SandAndGravel, located in Justin, Denton County, TX. It currently has 15 employees.

Has anyone been injured or killed at DDM - Justin?

According to MSHA records, DDM - Justin has 0 reported accident/injury records and 0 fatalities on file.

Who operates DDM - Justin?

DDM - Justin is operated by DDM Materials, Inc. and controlled by Jake Markwardt; Luke Markwardt; David Markwardt. MSHA Mine ID: 4105809.