Mining Incidents

Marathon Sand Screener Metal/Non-Metal

Controlled by Tim Sonnentag
Wausau, WI, Marathon County, WI  ·  Intermittent
MSHA Mine ID: 4703633

Marathon Sand Screener has $2K in proposed MSHA penalties and $151 outstanding across 0 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
3
Years on record
2017–2018
Latest incident
May 2018
Compliance record
MSHA citations since 2012
17
citations
5
significant & substantial
$2,203
proposed penalties
$2,052
paid to date
93% of proposed penalties paid to date, a $151 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2012
19
inspections on record
159
inspection hours
n/a
citations per 100 inspection hours
This rate is recorded citations divided by MSHA inspection hours, per 100 hours. It reflects inspection effort, not mine size or production.
Rate withheld: 159 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Marathon Sand Screener has $2K in proposed MSHA penalties and $151 outstanding across 0 contested dockets.

Penalty disposition
Differences between proposed and paid penalties reflect both settlements and conference reductions and amounts still owed. Outstanding is the balance currently owed.
$2K
proposed penalties
$2K
current assessed
$2K
paid to date
$151
outstanding
17 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2026-01-06.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Quarterly safety rates
Citations per million reported employee-hours. Rates begin in 2000, when MSHA's quarterly employment data starts; earlier incidents are counted but cannot be rate-adjusted. Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
Citations per million employee-hours, as reported to MSHA
Quarter Hours worked Citations S&S Per 1M hrs
2025 Q4 404 0 0 0.0
2025 Q3 0 0 0
2025 Q2 56 0 0 0.0
2025 Q1 264 0 0 0.0
2024 Q4 0 0 0
2024 Q3 0 0 0
2024 Q2 0 0 0
2024 Q1 0 0 0
Show 48 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 0 0 0
2023 Q3 0 0 0
2023 Q2 0 0 0
2023 Q1 0 0 0
2022 Q4 429 0 0 0.0
2022 Q3 500 0 0 0.0
2022 Q2 453 0 0 0.0
2022 Q1 0 0 0
2021 Q4 386 0 0 0.0
2021 Q3 981 0 0 0.0
2021 Q2 851 0 0 0.0
2021 Q1 388 0 0 0.0
2020 Q4 490 1 0 2040.8
2020 Q3 325 0 0 0.0
2020 Q2 0 0 0
2020 Q1 0 0 0
2019 Q4 454 0 0 0.0
2019 Q3 864 0 0 0.0
2019 Q2 746 0 0 0.0
2019 Q1 0 0 0
2018 Q4 308 1 1 3246.8
2018 Q3 729 0 0 0.0
2018 Q2 473 0 0 0.0
2018 Q1 0 0 0
2017 Q4 274 0 0 0.0
2017 Q3 700 2 0 2857.1
2017 Q2 521 0 0 0.0
2017 Q1 0 0 0
2016 Q4 528 0 0 0.0
2016 Q3 1,342 0 0 0.0
2016 Q2 1,119 3 2 2681.0
2016 Q1 0 0 0
2015 Q4 308 0 0 0.0
2015 Q3 670 0 0 0.0
2015 Q2 506 0 0 0.0
2015 Q1 0 0 0
2014 Q4 338 2 1 5917.2
2014 Q3 655 4 0 6106.9
2014 Q2 406 0 0 0.0
2014 Q1 0 0 0
2013 Q4 326 0 0 0.0
2013 Q3 555 0 0 0.0
2013 Q2 338 0 0 0.0
2013 Q1 0 0 0
2012 Q4 324 0 0 0.0
2012 Q3 560 0 0 0.0
2012 Q2 580 2 1 3448.3
2012 Q1 1 0 0 0.0
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.

For insurers, brokers, and safety consultants

The full compliance file on Marathon Sand Screener

A dated report covering the 26-year penalty trail, line-item violation pattern, contest and docket posture, rate-normalized peer benchmark, and full fatality history. Delivered as a PDF with the underlying data as CSV.