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Plant #70 Metal/Non-Metal

Milestone Materials Div/Mathy Construction Co · Surface

Controlled by Mathy Construction Company

Plain, Sauk County, WI · Intermittent

MSHA Mine ID: 4703308

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Email me when a new MSHA incident is filed at Plant #70.

Fatalities: 0
Total incidents: 3
Years on record: 2008–2026
Latest incident: May 2026

Compliance record

MSHA citations since 2008

citations

significant & substantial

$347

proposed penalties

$347

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	2,582	0	0.0
2025 Q3	3,308	0	0.0
2025 Q2	3,033	0	0.0
2025 Q1	403	0	0.0
2024 Q4	1,594	0	0.0
2024 Q3	2,905	1	344.2
2024 Q2	2,293	0	0.0
2024 Q1	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

3 on file

2026 · 1 incident

May 27, 2026 WI · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS

Milestone Materials Div/Mathy Construction Co · Struck by falling object

Foreign Body in left eye while working under feeder

2014 · 1 incident

December 2, 2014 WI · Metal/Non-Metal safety director SLIP OR FALL OF PERSON

The Kraemer Company, LLC · Fall to the walkway or working surface

Employee slipped and fell on ice; landed on his shoulder; left shoulder contusion, with rotator cuff acute tendonitis.

2008 · 1 incident

July 8, 2008 WI · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS

The Kraemer Company, LLC · Over-exertion (Not Elsewhere Classified)

Employee was finishing up work on loader and putting tools away. Experienced sharp pain in middle back under shoulder blade. Employee states he was twisting and reaching in an awkward position.