Mining Incidents

NORDBERG HP-400 Metal/Non-Metal

Controlled by Robert Ecker
Stockbridge, WI, Calumet County, WI  ·  Active
MSHA Mine ID: 4703286

NORDBERG HP-400 has $24K in proposed MSHA penalties and $302 outstanding across 1 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
0
Years on record
Latest incident
Compliance record
MSHA citations since 2001
137
citations
30
significant & substantial
$24,405
proposed penalties
$23,806
paid to date
98% of proposed penalties paid to date, a $599 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2001
69
inspections on record
818
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: 818 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

NORDBERG HP-400 has $24K in proposed MSHA penalties and $302 outstanding across 1 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.
$24K
proposed penalties
$24K
current assessed
$24K
paid to date
$302
outstanding
135 assessments are final orders; 1 contested dockets.
As of the most recent assessment on 2026-03-19.
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 2,351 0 0 0.0
2025 Q3 3,153 4 1 1268.6
2025 Q2 2,341 0 0 0.0
2025 Q1 1,602 0 0 0.0
2024 Q4 1,903 5 0 2627.4
2024 Q3 2,629 0 0 0.0
2024 Q2 2,450 2 0 816.3
2024 Q1 1,686 0 0 0.0
Show 88 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 2,033 0 0 0.0
2023 Q3 1,765 2 1 1133.1
2023 Q2 1,785 0 0 0.0
2023 Q1 1,318 5 2 3793.6
2022 Q4 2,544 0 0 0.0
2022 Q3 1,763 1 0 567.2
2022 Q2 2,072 0 0 0.0
2022 Q1 1,256 2 0 1592.4
2021 Q4 2,245 0 0 0.0
2021 Q3 1,874 2 0 1067.2
2021 Q2 1,792 0 0 0.0
2021 Q1 1,328 2 0 1506.0
2020 Q4 1,938 0 0 0.0
2020 Q3 2,131 0 0 0.0
2020 Q2 2,113 2 0 946.5
2020 Q1 2,118 0 0 0.0
2019 Q4 2,709 3 1 1107.4
2019 Q3 2,779 0 0 0.0
2019 Q2 2,137 9 0 4211.5
2019 Q1 2,354 1 0 424.8
2018 Q4 2,302 0 0 0.0
2018 Q3 1,695 2 1 1179.9
2018 Q2 1,861 0 0 0.0
2018 Q1 2,103 3 1 1426.5
2017 Q4 2,180 0 0 0.0
2017 Q3 1,512 4 1 2645.5
2017 Q2 2,523 0 0 0.0
2017 Q1 2,038 0 0 0.0
2016 Q4 2,354 0 0 0.0
2016 Q3 3,045 0 0 0.0
2016 Q2 2,454 0 0 0.0
2016 Q1 912 0 0 0.0
2015 Q4 1,344 0 0 0.0
2015 Q3 2,510 0 0 0.0
2015 Q2 2,615 6 2 2294.5
2015 Q1 673 0 0 0.0
2014 Q4 2,608 0 0 0.0
2014 Q3 2,399 2 0 833.7
2014 Q2 2,684 4 1 1490.3
2014 Q1 0 1 0
2013 Q4 1,888 3 2 1589.0
2013 Q3 2,330 0 0 0.0
2013 Q2 2,072 0 0 0.0
2013 Q1 1,567 10 0 6381.6
2012 Q4 2,707 0 0 0.0
2012 Q3 2,103 4 1 1902.0
2012 Q2 2,270 0 0 0.0
2012 Q1 1,308 10 3 7645.3
2011 Q4 1,686 0 0 0.0
2011 Q3 822 1 0 1216.5
2011 Q2 130 0 0 0.0
2011 Q1 0 0 0
2010 Q4 0 0 0
2010 Q1 288 0 0 0.0
2009 Q4 2,643 0 0 0.0
2009 Q3 2,555 6 6 2348.3
2009 Q2 1,420 0 0 0.0
2009 Q1 490 3 0 6122.4
2008 Q4 806 0 0 0.0
2008 Q3 2,444 0 0 0.0
2008 Q2 2,089 9 1 4308.3
2008 Q1 30 1 1 33333.3
2007 Q4 1,552 0 0 0.0
2007 Q3 1,618 0 0 0.0
2007 Q2 2,016 0 0 0.0
2007 Q1 1,507 0 0 0.0
2006 Q4 1,874 0 0 0.0
2006 Q3 1,481 6 0 4051.3
2006 Q2 1,445 0 0 0.0
2006 Q1 980 0 0 0.0
2005 Q4 480 0 0 0.0
2005 Q3 1,200 0 0 0.0
2005 Q2 280 2 0 7142.9
2005 Q1 0 2 1
2004 Q4 960 1 0 1041.7
2004 Q3 1,800 1 0 555.6
2004 Q2 1,200 0 0 0.0
2004 Q1 900 6 2 6666.7
2003 Q4 100 0 0 0.0
2003 Q3 1,130 0 0 0.0
2003 Q2 480 0 0 0.0
2003 Q1 1,200 0 0 0.0
2002 Q4 4,050 0 0 0.0
2002 Q3 4,050 3 0 740.7
2002 Q2 1,010 0 0 0.0
2002 Q1 468 2 0 4273.5
2001 Q4 1,650 0 0 0.0
2001 Q3 650 3 2 4615.4

No reportable incidents on file.

MSHA has no recorded reportable accidents for this mine in the current dataset. New reports appear here within a week of being filed.

For insurers, brokers, and safety consultants

The full compliance file on NORDBERG HP-400

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.