Mining Incidents

Madden Materials Knowlton Plant Metal/Non-Metal

Madden Materials · Surface
Bracken TX, Comal County, TX  ·  Active
MSHA Mine ID: 4105475

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Fatalities
0
Total incidents
2
Years on record
2026
Latest incident
Apr 2026
Compliance record
MSHA citations since 2020
69
citations
9
significant & substantial
$20,536
proposed penalties
$20,536
paid to date
Source: MSHA violations data, updated weekly.
Quarterly safety rates
Citations per million employee-hours, as reported to MSHA
Quarter Hours worked Citations S&S Per 1M hrs
2025 Q4 2,441 2 1 819.3
2025 Q3 2,685 0 0 0.0
2025 Q2 2,412 6 0 2487.6
2025 Q1 3,384 7 0 2068.6
2024 Q4 4,496 0 0 0.0
2024 Q3 6,236 1 0 160.4
2024 Q2 5,111 0 0 0.0
2024 Q1 5,472 3 0 548.2
Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
No fatalities recorded at this mine.

Reportable incidents

2 on file

2026 · 2 incidents

April 2, 2026 TX · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Madden Materials · Over-exertion (Not Elsewhere Classified)

Employee slipped carrying 2 gallon can of oil at the topsoil screener and sprained ankle

January 4, 2026 TX · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer MACHINERY
Madden Materials · Over-exertion (Not Elsewhere Classified)

On 1/6 Miner reported soreness to shoulder from welding on 1/4 for an extended period of time in an awkward position inside primary screen deck. Miner was treated conservatively with ice and stretching and continued work duties. On 1/14 incident became reportable when medical evaluation prescribed physical therapy.