Mining Incidents

Rio Medina Operations Metal/Non-Metal

Controlled by Zachry Corporation
Rio Medina, Medina County, TX  ·  Active
MSHA Mine ID: 4105278

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Fatalities
0
Total incidents
3
Years on record
2023–2024
Latest incident
Dec 2024
Compliance record
MSHA citations since 2017
34
citations
1
significant & substantial
$5,236
proposed penalties
$3,678
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 8,877 0 0 0.0
2025 Q3 9,869 2 0 202.7
2025 Q1 603 3 0 4975.1
2024 Q4 10,968 0 0 0.0
2024 Q2 13,090 0 0 0.0
2024 Q1 13,783 3 1 217.7
2023 Q4 6,277 0 0 0.0
2023 Q3 6,806 1 0 146.9
Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
No fatalities recorded at this mine.

Reportable incidents

3 on file

2024 · 1 incident

December 13, 2024 TX · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Capitol Aggregates Inc · Over-exertion (Not Elsewhere Classified)

Operator was dismounting / stepping down from a CAT Loader and when their right ankle stepped down on the ground, the operator felt a pop and couldn't put weight on it. The loader was parked on level ground with dry conditions.

2023 · 2 incidents

October 27, 2023 TX · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Capitol Aggregates Inc · Fall onto or against objects

Employee was working inside the cab of a bulldozer. Rain started so the employee quickly shut the doors on the bulldozer & began to dismount using three points of contact. Employee's right foot slipped on the blade push arm, causing the employee to fall. The employee came to rest on the bulldozer push arm with legs straddling each side, causing contusion to legs & lower back.

August 13, 2023 TX · Metal/Non-Metal FIRE
Capitol Aggregates Inc · Accident type, without injuries

Assistant manager was notified of an approaching wildfire to the southeast of the location. The fire was stopped approx. 1/4 mile from mine property. The fire never contacted Capitol property. In an abundance of caution MSHA was contacted via the emergency line and notified of the approaching fire.