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Plant #3: 9 MSHA citations Metal/Non-Metal

Middleton, Dane County, WI  ·  Intermittent
MSHA Mine ID: 4703317

Plant #3 has $2K in proposed MSHA penalties and $0 outstanding across 1 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
1
Years on record
2009
Latest incident
Nov 2009
Compliance record
MSHA citations since 2006
9
citations
2
significant & substantial
$1,640
proposed penalties
$1,435
paid to date
88% of proposed penalties paid to date, a $205 gap.
Source: MSHA violations data, updated weekly.
See Northwestern Stone LLC's full MSHA compliance history →
Inspection activity
MSHA inspections since 2002
21
inspections on record
164
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: 164 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Plant #3 has $2K in proposed MSHA penalties and $0 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.
$2K
proposed penalties
$1K
current assessed
$1K
paid to date
$0
outstanding
8 assessments are final orders; 1 contested dockets.
Of $905 in penalties contested before the Commission, $700 was upheld in final decisions.
As of the most recent assessment on 2023-07-25.
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.
22.2%
significant & substantial
0.0%
high negligence or reckless
22.2%
reasonably likely or greater
44.4%
permanently disabling or fatal if injury occurs
Negligence coding: 0.0% none, 55.6% low, 44.4% moderate, 0.0% high, 0.0% reckless.
Source: MSHA violations gravity and negligence coding, updated weekly.
When citations were contested
ⓘ Contesting a citation before the Federal Mine Safety and Health Review Commission is a lawful right. These figures state the public outcomes of that process, from MSHA's Contested Violations file.
1 citations taken to the federal commission · 11% of citations on record
  • Settled 1 · 100%
100%
S&S designation survived the contest
ⓘ Counts a Significant & Substantial citation as surviving when a settlement or judge's decision kept the designation, or the contest was dismissed or defaulted so the citation stands as issued. Vacated and withdrawn citations, and settlements that removed the designation, count against.
of 1 decided S&S contests · industry: 79%
23%
Penalty reduction in decided contests
$905 proposed, $700 after decisions · industry: 39%
Source: MSHA Contested Violations file (public record), updated weekly. A dismissed or defaulted contest leaves the citation standing as issued; a vacated or withdrawn citation is removed from the violation record. Latest contest filed 2023-10-01.
Contested penalties
ⓘ A reduction or dismissal at the Commission is a lawful outcome of contesting a proposed penalty. Figures are the proposed amount and the amount upheld in the docket's decision.
Largest penalties this mine contested before the Federal Mine Safety and Health Review Commission, with the outcome on record.
Docket Decision Judge Year Proposed / upheld
LAKE 2024-0001 Settlement Paez 2024 $905 → $700
Source: FMSHRC civil penalty dockets and decisions (public record), 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: 2009-04-14, 17 years ago
3
samples
0
limit-tested
Most sampled contaminants
  • Respirable dust, <.1mg3
Show the individual readings (3)
Date Contaminant Concentration Limit Conc / limit Occupation
2009-04-14 Respirable dust, <.1mg 0 Crusher Oper/Worker
2009-04-14 Respirable dust, <.1mg 0 Crusher Oper/Worker
2009-04-14 Respirable dust, <.1mg 0 Front-end Loader Operator
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.
Ownership history
  1. Northwestern Stone LLC 2002 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Year Employees
2026 1
2025 1
2024 1
2023 2
2019 0
2018 0
2017 2
2016 1
2015 2
2011 0
2010 1
2009 7
2008 7
2007 7
2006 7
2005 3
2004 2
2003 1
2002 2
Source: MSHA quarterly employment and production, updated weekly.

Plant #3 sits in Dane County, Wisconsin, where the Census mining category is 0.0% 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.
Dane County, Wisconsin · Population 564,777
0.0%
Mining share of county employment
$88,108
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 168 0 0 0.0
2026 Q1 0 0 0
2025 Q4 0 0 0
2025 Q3 0 0 0
2025 Q2 73 0 0 0.0
2025 Q1 84 0 0 0.0
2024 Q4 0 0 0
2024 Q3 0 0 0
Show 53 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2024 Q2 439 0 0 0.0
2024 Q1 0 0 0
2023 Q4 152 0 0 0.0
2023 Q3 130 1 0 7692.3
2019 Q1 0 0 0
2018 Q4 0 0 0
2018 Q2 0 0 0
2018 Q1 0 0 0
2017 Q4 208 0 0 0.0
2017 Q3 529 1 1 1890.4
2017 Q2 137 0 0 0.0
2017 Q1 0 0 0
2016 Q4 229 0 0 0.0
2016 Q3 450 0 0 0.0
2016 Q2 0 0 0
2016 Q1 0 0 0
2015 Q4 367 0 0 0.0
2015 Q3 252 0 0 0.0
2011 Q1 0 0 0
2010 Q4 0 0 0
2010 Q3 66 0 0 0.0
2010 Q2 68 1 0 14705.9
2010 Q1 0 0 0
2009 Q4 375 0 0 0.0
2009 Q3 4,096 0 0 0.0
2009 Q2 3,850 3 0 779.2
2009 Q1 2,675 0 0 0.0
2008 Q4 4,062 0 0 0.0
2008 Q3 4,194 0 0 0.0
2008 Q2 3,754 0 0 0.0
2008 Q1 1,776 0 0 0.0
2007 Q4 3,209 0 0 0.0
2007 Q3 3,412 0 0 0.0
2007 Q2 3,435 0 0 0.0
2007 Q1 1,862 0 0 0.0
2006 Q4 3,563 0 0 0.0
2006 Q3 3,885 0 0 0.0
2006 Q2 3,259 0 0 0.0
2006 Q1 3,049 1 0 328.0
2005 Q4 3,104 0 0 0.0
2005 Q3 965 0 0 0.0
2005 Q2 0 0 0
2005 Q1 0 0 0
2004 Q4 163 0 0 0.0
2004 Q3 264 0 0 0.0
2004 Q2 114 0 0 0.0
2004 Q1 0 0 0
2003 Q4 0 0 0
2003 Q3 24 0 0 0.0
2003 Q2 0 0 0
2003 Q1 48 0 0 0.0
2002 Q4 137 0 0 0.0
2002 Q3 96 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

1 on file

2009 · 1 incident

November 9, 2009 WI · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
Northwestern Stone LLC · Fall from machine

Driver pulled on our truck scale. Our EE was at the office window. She heard a thump and then a scream and saw that the driver had fallen from his dump truck. She asked him if he was ok. He complained his head hurt. She remembers him saying he had missed step. EMS examined him and then transported him to the hospital.