Key Takeaway

Madden Materials Knowlton Plant is a active surface mine producing Stone, located in Bracken TX, Comal County, TX. It has 69 violations on record (9 S&S) and $21K in proposed penalties. Operated by Madden Materials.

Madden Materials Knowlton Plant

Active Surface Stone

Operator: Madden Materials

Controller: Jose C Regalado; Sofia A Regalado

Location: Bracken TX, Comal County, TX

Employees: 3

69
Violations
9
S&S Violations
1
Accidents
$21K
Penalties

Recent Violations

View all 69 →
Date Section S&S Negligence Penalty
10/02/2025 56.18002(a)(1) Non-S&S ModNegligence $151
10/01/2025 56.20003(a) S&S ModNegligence $959
05/01/2025 56.20003(a) Non-S&S ModNegligence $209
05/01/2025 56.20003(a) Non-S&S ModNegligence $209
05/01/2025 56.20011 Non-S&S ModNegligence $209
05/01/2025 56.12028 Non-S&S ModNegligence $697
05/01/2025 56.14132 Non-S&S ModNegligence $209
05/01/2025 56.11001 Non-S&S ModNegligence $209
01/06/2025 56.11001 Non-S&S ModNegligence $209
01/02/2025 56.20003(a) Non-S&S ModNegligence $209
01/02/2025 56.11012 Non-S&S ModNegligence $697
01/02/2025 56.14107(a) Non-S&S ModNegligence $313
01/02/2025 56.12032 Non-S&S ModNegligence $697
01/02/2025 56.12018 Non-S&S ModNegligence $697
01/02/2025 56.9300(a) Non-S&S ModNegligence $697
08/27/2024 56.14132(b)(2) Non-S&S ModNegligence $189
03/27/2024 50.30(a) Non-S&S ModNegligence $147
03/27/2024 56.12004 Non-S&S ModNegligence $626
03/27/2024 56.9300(a) Non-S&S ModNegligence $626
11/15/2023 56.14132(a) Non-S&S ModNegligence $189

Accidents & Injuries

View all 1 →
Date Classification Injury Days Lost
01/04/2026 MACHINERY DAYS RESTRICTED ACTIVITY ONLY 23d restricted

Inspections

View all 21 →
Begin End Hours Inspectors
10/01/2025 10/02/2025 20.00 1
09/23/2025 09/24/2025 19.00 1
05/01/2025 05/02/2025 18.50 1
01/06/2025 01/06/2025 2.50 1
01/02/2025 01/06/2025 7.25 1
08/26/2024 08/27/2024 16.50 1
03/27/2024 03/27/2024 16.50 1
11/14/2023 11/16/2023 0.00 0
08/07/2023 08/07/2023 2.00 1
07/31/2023 08/07/2023 15.25 1

Mine Details

MSHA Mine ID4105475
Mine TypeSurface
StatusActive
CommodityStone
SIC DescriptionCrushed, Broken Limestone NEC
Employees3
Days/Week5.0
Hours/Shift10.0
Coordinates29.5995760, -98.3368840
Nearest TownBracken TX

Frequently Asked Questions

How many MSHA violations does Madden Materials Knowlton Plant have?

Madden Materials Knowlton Plant has 69 MSHA violations on record, of which 9 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $21K.

What type of mine is Madden Materials Knowlton Plant?

Madden Materials Knowlton Plant is a Surface mine producing Stone, located in Bracken TX, Comal County, TX. It currently has 3 employees.

Has anyone been injured or killed at Madden Materials Knowlton Plant?

According to MSHA records, Madden Materials Knowlton Plant has 1 reported accident/injury records and 0 fatalities on file.

Who operates Madden Materials Knowlton Plant?

Madden Materials Knowlton Plant is operated by Madden Materials and controlled by Jose C Regalado; Sofia A Regalado. MSHA Mine ID: 4105475.