Portable Plant #2 has $15K in proposed MSHA penalties and $0 outstanding across 0 contested dockets, plus health sampling and the full incident record.
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Fatalities
0
Total incidents
6
Years on record
1992–2025
Latest incident
Sep 2025
Compliance record
MSHA citations since 2000
96
citations
19
significant & substantial
$14,827
proposed penalties
$14,827
paid to date
100% of proposed penalties paid to date, a $0 gap.
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: 559 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
Portable Plant #2 has $15K in proposed MSHA penalties and $0 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
$0
outstanding
96 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2025-05-13.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Violation severity profile
ⓘShares are computed over citations that carry the MSHA gravity and negligence coding; a small share of records are uncoded.
Source: MSHA violations gravity and negligence coding, updated weekly.
Health sampling
ⓘA sample is a point in time compliance measurement, not an individual exposure history. These figures describe MSHA sampling records and do not establish causation or personal dose.
Metal and nonmetal contaminants (personal samples)
ⓘMany samples are screening measurements of substances with no applicable exposure limit; they are counted as samples but excluded from every over-limit figure. Over-limit shares use only limit-tested samples.
Last sampled: 2017-10-17, 8 years ago
4
samples
0
limit-tested
Most sampled contaminants
Respirable dust, <.1mg4
Show the individual readings (4)
Date
Contaminant
Concentration
Limit
Conc / limit
Occupation
2017-10-17
Respirable dust, <.1mg
0
Washer Operator
2017-10-17
Respirable dust, <.1mg
0
Front-end Loader Operator
2011-05-25
Respirable dust, <.1mg
0
Front-end Loader Operator
2011-05-25
Respirable dust, <.1mg
0
Crusher Oper/Worker
Source: MSHA respirable dust, quartz, and noise sampling records, updated weekly. Metal/nonmetal contaminant figures come from MSHA's Personal Health Samples and Area Samples files (public record), updated weekly.
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Year
Employees
2026
4
2025
3
2024
4
2023
5
2022
5
2021
6
2020
7
2019
0
2018
0
2017
3
2016
4
2015
8
2014
9
2013
6
2012
6
2011
7
2010
7
2009
6
2008
9
2007
9
2006
13
2005
10
2004
9
2003
6
2002
7
2001
6
2000
6
Source: MSHA quarterly employment and production, updated weekly.
Portable Plant #2 sits in Manitowoc County, Wisconsin, where the Census mining category is 0.2% of county employment.
Local economic context
ⓘCounty figures come from the US Census Bureau's American Community Survey, 5-year pooled estimates, so the 2023 vintage covers 2019 through 2023. The Census category is 'mining, quarrying, and oil and gas extraction', which is broader than MSHA jurisdiction and includes oil and gas workers no mine employs. These figures describe the surrounding county, not this mine, and are not a factor in any specific incident.
Manitowoc County, Wisconsin · Population 81,314
0.2%
Mining share of county employment
$68,611
Median household income
Source: US Census Bureau, American Community Survey 2023 5-year estimates.
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
2026 Q2
1,296
0
0
0.0
2026 Q1
454
0
0
0.0
2025 Q4
1,157
0
0
0.0
2025 Q3
1,356
0
0
0.0
2025 Q2
1,214
1
0
823.7
2025 Q1
0
0
0
2024 Q4
1,897
0
0
0.0
2024 Q3
2,422
0
0
0.0
Show 95 earlier quartersHide earlier quarters
Quarter
Hours worked
Citations
S&S
Per 1M hrs
2024 Q2
2,982
1
0
335.3
2024 Q1
1,783
0
0
0.0
2023 Q4
1,924
0
0
0.0
2023 Q3
3,190
0
0
0.0
2023 Q2
1,488
2
0
1344.1
2023 Q1
1,583
0
0
0.0
2022 Q4
2,375
0
0
0.0
2022 Q3
3,399
0
0
0.0
2022 Q2
2,887
1
0
346.4
2022 Q1
928
0
0
0.0
2021 Q4
2,130
0
0
0.0
2021 Q3
2,343
0
0
0.0
2021 Q2
4,206
2
1
475.5
2021 Q1
551
0
0
0.0
2020 Q4
1,190
0
0
0.0
2020 Q3
4,115
0
0
0.0
2020 Q2
3,447
1
0
290.1
2020 Q1
492
0
0
0.0
2019 Q2
0
0
0
2019 Q1
0
0
0
2018 Q4
0
0
0
2018 Q3
0
0
0
2018 Q2
0
0
0
2018 Q1
0
0
0
2017 Q4
2,193
2
0
912.0
2017 Q3
1,437
0
0
0.0
2017 Q2
0
0
0
2017 Q1
470
0
0
0.0
2016 Q4
871
0
0
0.0
2016 Q3
2,280
0
0
0.0
2016 Q2
1,243
0
0
0.0
2016 Q1
353
0
0
0.0
2015 Q4
3,701
0
0
0.0
2015 Q3
5,257
0
0
0.0
2015 Q2
4,838
4
0
826.8
2015 Q1
627
0
0
0.0
2014 Q4
4,434
0
0
0.0
2014 Q3
4,856
0
0
0.0
2014 Q2
5,096
9
2
1766.1
2014 Q1
456
0
0
0.0
2013 Q4
5,780
0
0
0.0
2013 Q3
3,161
0
0
0.0
2013 Q2
3,015
3
1
995.0
2013 Q1
320
0
0
0.0
2012 Q4
2,660
0
0
0.0
2012 Q3
3,601
0
0
0.0
2012 Q2
1,758
0
0
0.0
2012 Q1
1,002
0
0
0.0
2011 Q4
2,185
4
0
1830.7
2011 Q3
5,103
0
0
0.0
2011 Q2
2,430
5
1
2057.6
2011 Q1
502
0
0
0.0
2010 Q4
1,474
0
0
0.0
2010 Q3
3,361
0
0
0.0
2010 Q2
3,328
0
0
0.0
2010 Q1
2,378
0
0
0.0
2009 Q4
3,264
10
4
3063.7
2009 Q3
2,945
0
0
0.0
2009 Q2
2,486
1
0
402.3
2009 Q1
1,724
0
0
0.0
2008 Q4
3,487
0
0
0.0
2008 Q3
4,886
0
0
0.0
2008 Q2
4,095
8
1
1953.6
2008 Q1
1,450
0
0
0.0
2007 Q4
3,429
0
0
0.0
2007 Q3
4,731
0
0
0.0
2007 Q2
5,086
0
0
0.0
2007 Q1
1,973
0
0
0.0
2006 Q4
5,008
2
0
399.4
2006 Q3
7,599
0
0
0.0
2006 Q2
5,318
12
3
2256.5
2005 Q4
5,017
0
0
0.0
2005 Q3
6,652
0
0
0.0
2005 Q2
6,601
0
0
0.0
2005 Q1
1,536
0
0
0.0
2004 Q4
4,580
2
0
436.7
2004 Q3
4,720
0
0
0.0
2004 Q2
7,023
0
0
0.0
2004 Q1
1,196
0
0
0.0
2003 Q4
2,270
2
0
881.1
2003 Q3
2,750
0
0
0.0
2003 Q2
2,750
5
0
1818.2
2003 Q1
1,039
0
0
0.0
2002 Q4
3,394
0
0
0.0
2002 Q3
3,765
0
0
0.0
2002 Q2
2,750
0
0
0.0
2002 Q1
1,196
0
0
0.0
2001 Q4
5,589
13
4
2326.0
2001 Q3
5,152
0
0
0.0
2001 Q2
2,042
0
0
0.0
2001 Q1
1,451
0
0
0.0
2000 Q4
2,945
6
2
2037.4
2000 Q3
3,549
0
0
0.0
2000 Q2
3,209
0
0
0.0
2000 Q1
997
0
0
0.0
No fatalities recorded at this mine.
Reportable incidents
6 on file
2025 · 1 incident
September 24, 2025WI · Metal/Non-Metalbulldozer operator, universal operator, heavy equipment operator, operating engineerHANDTOOLS (NONPOWERED)
Employee was working on the screen deck changing out the screens. New screen was being put into place and employee was using a pry bar to guide into place. Screen slid off pry bar and came into contact with employee's forearm causing a laceration.
1993 · 1 incident
April 6, 1993WI · Metal/Non-Metalwarehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operatorSLIP OR FALL OF PERSON
SLIPPED AND FELL. EMPLOYEE WAS COMING DOWN OFF THE END LOADER IN THE SHOP AREA. WHEN HE BACKED AWAY FROM LOADER HE FELL OVER SOME HOSES LAYING ON THE SHOP FLOOR. EMPLOYEE FELL AGAINST A 5-GALL ON PAIL RESULTING IN SORE RIBS.
F. Radandt Sons Inc · Caught in, under or between a moving and a stationary object
EMPLOYEE WAS GLIDING A STEEL PLATE THROUGH SMALL DOORWAY, 3' X 3', ON STONE CRUSHER. THE PLATE HAD TO BE TIPPED ON ITS DIDE TO GO THROUGH THE DOOR. A CRANE WAS USED TO LIFT PLATE. THE PLATE CA UGHT ON THE DOOR JAM. WHEN THE BEAM RELEASED IT CAUGHT RIGHT HAND AGAINST DOOR JAM.
EMPLOYEE SHOVELING UNDER/AROUND CONVEYOR.HE WAS USING IT IN A SWEEPING ACTION BACK AND FORTH AND THEN THROWING THE GRAVEL.RESULTED IN THE EMPLOYEE MUSCLE LIGAMENT PULL.