Key Takeaway

Black Diamond Endeavors LLC is a active surface mine producing SandAndGravel, located in Bronte, Runnels County, TX. It has 144 violations on record (37 S&S) and $133K in proposed penalties. Operated by Black Diamond Endeavors.

Black Diamond Endeavors LLC

Active Surface SandAndGravel

Operator: Black Diamond Endeavors

Controller: Kolton Linthicum; Chad R Sparks

Location: Bronte, Runnels County, TX

Employees: 4

144
Violations
37
S&S Violations
0
Accidents
$133K
Penalties

Recent Violations

View all 144 →
Date Section S&S Negligence Penalty
12/16/2025 50.30(a) Non-S&S ModNegligence $151
12/16/2025 50.30(a) Non-S&S ModNegligence $151
12/16/2025 50.30(a) Non-S&S ModNegligence $151
12/16/2025 56.4104(a) Non-S&S ModNegligence $151
12/16/2025 56.14100(a) Non-S&S ModNegligence $151
12/16/2025 56.14100(c) Non-S&S ModNegligence $151
12/16/2025 56.14100(c) S&S ModNegligence $151
12/16/2025 56.9301 S&S ModNegligence $151
06/17/2025 56.12005 Non-S&S ModNegligence $177
06/17/2025 56.12032 Non-S&S ModNegligence $177
06/17/2025 56.4104(b) Non-S&S ModNegligence $267
06/17/2025 56.9300(a) Non-S&S ModNegligence $267
06/17/2025 56.4104(a) Non-S&S ModNegligence $267
06/17/2025 56.14132(b)(1)(i) S&S ModNegligence $2,936
06/17/2025 56.14100(c) S&S ModNegligence $2,936
06/17/2025 56.18010 S&S ModNegligence $2,936
03/04/2025 56.12032 Non-S&S ModNegligence $592
03/04/2025 56.11001 Non-S&S ModNegligence $177
03/04/2025 56.4104(b) Non-S&S ModNegligence $267
03/04/2025 56.14211(a) Non-S&S ModNegligence $177

Inspections

View all 32 →
Begin End Hours Inspectors
12/16/2025 12/18/2025 27.25 1
06/30/2025 06/30/2025 8.00 1
06/16/2025 06/23/2025 20.50 1
03/17/2025 03/17/2025 8.75 1
03/03/2025 03/06/2025 22.75 1
11/20/2024 02/25/2025 7.00 1
05/22/2024 05/22/2024 1.25 1
05/21/2024 05/22/2024 12.25 1
03/26/2024 03/26/2024 11.75 1
03/04/2024 04/29/2024 11.50 1

Mine Details

MSHA Mine ID4105275
Mine TypeSurface
StatusActive
CommoditySandAndGravel
SIC DescriptionConstruction Sand and Gravel
Employees4
Days/Week5.0
Hours/Shift10.0
Coordinates31.8225000, -100.2102780
Nearest TownBronte

Frequently Asked Questions

How many MSHA violations does Black Diamond Endeavors LLC have?

Black Diamond Endeavors LLC has 144 MSHA violations on record, of which 37 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $133K.

What type of mine is Black Diamond Endeavors LLC?

Black Diamond Endeavors LLC is a Surface mine producing SandAndGravel, located in Bronte, Runnels County, TX. It currently has 4 employees.

Has anyone been injured or killed at Black Diamond Endeavors LLC?

According to MSHA records, Black Diamond Endeavors LLC has 0 reported accident/injury records and 0 fatalities on file.

Who operates Black Diamond Endeavors LLC?

Black Diamond Endeavors LLC is operated by Black Diamond Endeavors and controlled by Kolton Linthicum; Chad R Sparks. MSHA Mine ID: 4105275.