Mining Incidents

Independence Portable Metal/Non-Metal

Marthasville, Warren County, MO  ·  Active
MSHA Mine ID: 2301301

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Fatalities
0
Total incidents
2
Years on record
2006–2026
Latest incident
Mar 2026
Compliance record
MSHA citations since 2003
46
citations
5
significant & substantial
$5,190
proposed penalties
$5,190
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 4,945 1 0 202.2
2025 Q2 3,645 0 0 0.0
2025 Q1 1,080 1 0 925.9
2024 Q4 2,735 0 0 0.0
2024 Q3 530 1 0 1886.8
2024 Q2 689 0 0 0.0
2024 Q1 2,196 1 0 455.4
2023 Q4 1,599 0 0 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

2026 · 1 incident

March 25, 2026 MO · Metal/Non-Metal dry screening plant operator, screen house operator MACHINERY
Capital Quarries Co. Inc. · Struck by flying object

Employee was tracking the trommel plant to the pit. Something popped and struck the employee on the middle finger of the left hand.

2006 · 1 incident

January 27, 2006 MO · Metal/Non-Metal drill operator HANDLING OF MATERIALS
Richard J Mertens Inc · Struck by falling object

Employee was removing steel from a hole to clean bit when the coupler & steel above whre he was standing worked loose and fell on him - hit his neck.