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Portable Wash/Crushing Plant Metal/Non-Metal

BMC Aggregates LC · Surface

Controlled by Manatts Enterprises; Cedar Valley Corp

Waterloo, Black Hawk County, IA · Intermittent

MSHA Mine ID: 1302077

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Fatalities: 0
Total incidents: 1
Years on record: 2019
Latest incident: Nov 2019

Compliance record

MSHA citations since 2001

citations

significant & substantial

$6,676

proposed penalties

$6,676

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	Per 1M hrs
2025 Q4	0	0
2025 Q3	0	0
2025 Q2	431	0	0.0
2025 Q1	2,663	1	375.5
2024 Q4	186	0	0.0
2024 Q3	672	2	2976.2
2024 Q2	0	0
2024 Q1	1,458	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

1 on file

2019 · 1 incident

November 22, 2019 IA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator FALLING/SLIDING/ROLLING MATERIALS

BMC Aggregates LC · Struck by rolling or sliding object

A rock rolled out of overflow chute knocking employee's hard hat off and then another rolled out and hit the employee on top of head.