← Back to search

Marathon Sand Screener Metal/Non-Metal

County Materials Corp. · Surface

Controlled by Tim Sonnentag

Wausau, WI, Marathon County, WI · Intermittent

MSHA Mine ID: 4703633

Watch this mine

Email me when a new MSHA incident is filed at Marathon Sand Screener.

Fatalities: 0
Total incidents: 3
Years on record: 2017–2018
Latest incident: May 2018

Compliance record

MSHA citations since 2012

citations

significant & substantial

$2,203

proposed penalties

$2,052

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	404	0.0
2025 Q3	0
2025 Q2	56	0.0
2025 Q1	264	0.0
2024 Q4	0
2024 Q3	0
2024 Q2	0
2024 Q1	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

2018 · 1 incident

May 29, 2018 WI · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE

County Materials Corp. · Struck against a moving object

The hydraulic ram broke on the dump & came down quickly. Shook up the driver inside the cab.

2017 · 2 incidents

August 14, 2017 WI · Metal/Non-Metal scoop tram operator, load/haul/dump operator HANDLING OF MATERIALS

County Materials Corp. · Struck against a moving object

Employee was getting off the seat of the end-loader when employee felt pain in lower right back and right leg.

July 26, 2017 WI · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON

County Materials Corp. · Fall from machine

Employee was getting out of loader after EE had finished loading the dump truck, when the last step on the loader bent inward towards the loader causing employee to fall backwards and to strain right knee.