Mining Incidents

Winona Aggregate Metal/Non-Metal

Winona Aggregate · Surface
Controlled by Kohner Holding Company
Winona, Winona County, MN  ·  Active
MSHA Mine ID: 2102995

Winona Aggregate has $15K in proposed MSHA penalties and $480 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
2006–2020
Latest incident
Aug 2020
Compliance record
MSHA citations since 2000
124
citations
20
significant & substantial
$15,389
proposed penalties
$14,909
paid to date
97% of proposed penalties paid to date, a $480 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
59
inspections on record
775
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: 775 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Winona Aggregate has $15K in proposed MSHA penalties and $480 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.
$15K
proposed penalties
$15K
current assessed
$15K
paid to date
$480
outstanding
116 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2023-04-12.
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 2,773 0 0 0.0
2025 Q3 3,460 0 0 0.0
2025 Q2 3,026 0 0 0.0
2025 Q1 1,711 0 0 0.0
2024 Q4 3,286 0 0 0.0
2024 Q3 3,758 0 0 0.0
2024 Q2 3,493 0 0 0.0
2024 Q1 1,869 0 0 0.0
Show 96 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 2,963 0 0 0.0
2023 Q3 3,160 0 0 0.0
2023 Q2 3,389 2 0 590.1
2023 Q1 1,850 1 0 540.5
2022 Q4 3,543 0 0 0.0
2022 Q3 3,617 0 0 0.0
2022 Q2 3,515 1 0 284.5
2022 Q1 2,049 0 0 0.0
2021 Q4 3,679 0 0 0.0
2021 Q3 3,709 0 0 0.0
2021 Q2 3,509 0 0 0.0
2021 Q1 2,245 1 0 445.4
2020 Q4 3,658 1 0 273.4
2020 Q3 3,634 0 0 0.0
2020 Q2 3,509 0 0 0.0
2020 Q1 2,119 0 0 0.0
2019 Q4 3,372 0 0 0.0
2019 Q3 3,327 2 0 601.1
2019 Q2 2,404 0 0 0.0
2019 Q1 1,923 0 0 0.0
2018 Q4 2,503 0 0 0.0
2018 Q3 2,689 0 0 0.0
2018 Q2 2,256 0 0 0.0
2018 Q1 1,597 0 0 0.0
2017 Q4 2,535 5 1 1972.4
2017 Q3 2,577 2 1 776.1
2017 Q2 2,608 0 0 0.0
2017 Q1 1,155 0 0 0.0
2016 Q4 929 0 0 0.0
2016 Q3 2,783 2 0 718.6
2016 Q2 2,104 0 0 0.0
2016 Q1 1,051 0 0 0.0
2015 Q4 1,968 0 0 0.0
2015 Q3 1,858 0 0 0.0
2015 Q2 1,357 3 0 2210.8
2015 Q1 577 0 0 0.0
2014 Q4 1,841 2 0 1086.4
2014 Q3 3,320 0 0 0.0
2014 Q2 2,370 6 2 2531.6
2014 Q1 1,052 12 0 11406.8
2013 Q4 1,950 6 1 3076.9
2013 Q3 1,957 6 0 3065.9
2013 Q2 1,439 0 0 0.0
2013 Q1 1,252 0 0 0.0
2012 Q4 1,962 7 1 3567.8
2012 Q3 2,647 3 0 1133.4
2012 Q2 7,410 0 0 0.0
2012 Q1 3,131 1 0 319.4
2011 Q4 4,664 1 0 214.4
2011 Q3 5,030 4 0 795.2
2011 Q2 2,650 0 0 0.0
2011 Q1 1,307 0 0 0.0
2010 Q4 4,256 0 0 0.0
2010 Q3 5,566 3 1 539.0
2010 Q2 4,632 0 0 0.0
2010 Q1 2,855 0 0 0.0
2009 Q4 5,262 0 0 0.0
2009 Q3 5,352 0 0 0.0
2009 Q2 4,513 0 0 0.0
2009 Q1 2,650 0 0 0.0
2008 Q4 5,058 2 0 395.4
2008 Q3 4,240 0 0 0.0
2008 Q2 3,944 3 0 760.6
2008 Q1 3,172 0 0 0.0
2007 Q4 3,824 0 0 0.0
2007 Q3 4,315 4 1 927.0
2007 Q2 3,816 0 0 0.0
2007 Q1 3,329 0 0 0.0
2006 Q4 4,108 0 0 0.0
2006 Q3 4,854 8 0 1648.1
2006 Q2 3,598 0 0 0.0
2006 Q1 3,559 0 0 0.0
2005 Q4 3,670 0 0 0.0
2005 Q3 4,056 0 0 0.0
2005 Q2 4,294 0 0 0.0
2005 Q1 3,247 0 0 0.0
2004 Q4 3,472 5 1 1440.1
2004 Q3 4,692 0 0 0.0
2004 Q2 4,309 3 0 696.2
2004 Q1 3,869 0 0 0.0
2003 Q4 4,718 0 0 0.0
2003 Q3 5,118 7 0 1367.7
2003 Q2 5,049 0 0 0.0
2003 Q1 2,767 0 0 0.0
2002 Q4 2,360 0 0 0.0
2002 Q3 3,631 0 0 0.0
2002 Q2 3,259 0 0 0.0
2002 Q1 1,935 0 0 0.0
2001 Q4 1,905 0 0 0.0
2001 Q3 3,863 1 0 258.9
2001 Q2 2,774 0 0 0.0
2001 Q1 1,726 0 0 0.0
2000 Q4 3,190 1 1 313.5
2000 Q3 3,731 17 9 4556.4
2000 Q2 3,478 0 0 0.0
2000 Q1 2,711 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

3 on file

2020 · 1 incident

August 27, 2020 MN · Metal/Non-Metal barge/boat/dredge/towbarge/towboat/leach operator, riverman, deck hand HANDLING OF MATERIALS
Winona Aggregate · Over-exertion in lifting objects

Employee was carrying a flange from the landing onto the booster to weld it onto a pipeline

2006 · 2 incidents

August 18, 2006 MN · Metal/Non-Metal welder (shop) HANDTOOLS (NONPOWERED)
Winona Aggregate · Struck by... (Not Elsewhere Classified)

EE was lying on ground on his side, chipping slag off the weld bead, when a loose piece of slag went under his safety glasses and landed in his eye. Miner was uninjured but was unable to remove slag by himself.

April 21, 2006 MN · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman MACHINERY
Winona Aggregate · Contact with hot objects or substances

EE was spot welding and a spark came off the lead tip & went into his eye. EE wasn't planning to weld yet and turned around & accidently bumped the trigger as it came in contact with metal object causing a spark to hit his eye & bounce out. His eye was burnt as the hot spark came in contact. He was wearing glasses & had his hood on, but it was up at the time.

For insurers, brokers, and safety consultants

The full compliance file on Winona Aggregate

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.