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Alden Portable Wash Metal/Non-Metal

Martin Marietta Materials Inc. · Surface

Controlled by Martin Marietta Materials Inc

Alden, Hardin County, IA · Intermittent

MSHA Mine ID: 1302122

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Fatalities: 0
Total incidents: 2
Years on record: 2012–2023
Latest incident: Apr 2023

Compliance record

MSHA citations since 2000

citations

significant & substantial

$2,434

proposed penalties

$2,434

paid to date

Source: MSHA violations data, updated weekly.

Quarterly safety rates

Citations per million employee-hours, as reported to MSHA

Quarter	Hours worked	Per 1M hrs
2025 Q4	377	0.0
2025 Q3	496	0.0
2024 Q4	106	0.0
2023 Q2	534	0.0
2023 Q1	0
2022 Q4	367	0.0
2021 Q3	2,063	0.0
2020 Q4	1,322	0.0

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

2023 · 1 incident

April 20, 2023 IA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDLING OF MATERIALS

Martin Marietta Materials Inc. · Over-exertion in lifting objects

Employee strained right shoulder while removing a steel plate. Accident became reportable on 04/27/2023.

2012 · 1 incident

August 13, 2012 IA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON

Martin Marietta Materials Inc. · Over-exertion (Not Elsewhere Classified)

Employee was exiting his loader and when he put his left foot on the ground he felt a sharp pain in his left knee. He was diagnosed with a left knee sprain and put in an immobilizer.