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513497: 26 MSHA citations Metal/Non-Metal

Controlled by Knife River Corporation
Sauk Rapids, Benton County, MN  ·  Intermittent
MSHA Mine ID: 2103112

513497 has $8K 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
3
Years on record
2002–2026
Latest incident
Apr 2026
Compliance record
MSHA citations since 2000
26
citations
5
significant & substantial
$8,246
proposed penalties
$8,246
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
See Knife River Corporation North Central's full MSHA compliance history →
Inspection activity
MSHA inspections since 2000
34
inspections on record
320
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: 320 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

513497 has $8K 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.
$8K
proposed penalties
$8K
current assessed
$8K
paid to date
$0
outstanding
26 assessments are final orders; 1 contested dockets.
Of $262 in penalties contested before the Commission, $262 was upheld in final decisions.
As of the most recent assessment on 2020-05-19.
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.
19.2%
significant & substantial
7.7%
high negligence or reckless
19.2%
reasonably likely or greater
53.8%
permanently disabling or fatal if injury occurs
Negligence coding: 0.0% none, 7.7% low, 84.6% moderate, 7.7% 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.
2 citations taken to the federal commission · 8% of citations on record
  • Settled 2 · 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%
0%
Penalty reduction in decided contests
$262 proposed, $262 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 2010-11-15.
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 2011-123M Settlement Zielinski 2011 $262 → $262
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: 2022-10-19, 3 years ago
0%
of limit-tested samples over the exposure limit
13
samples
10
limit-tested
Most sampled contaminants
  • Quartz, respirable, >1% Qtz10
  • Respirable dust, <.1mg3
Show the individual readings (13)
Date Contaminant Concentration Limit Conc / limit Occupation
2022-10-19 Quartz, respirable, >1% Qtz 0.28 0.86 0.33 Front-end Loader Operator
2022-10-19 Quartz, respirable, >1% Qtz 0.42 0.83 0.51 Crusher Oper/Worker
2021-05-17 Quartz, respirable, >1% Qtz 0.38 0.94 0.40 Crusher Oper/Worker
2021-05-17 Respirable dust, <.1mg 0 Crusher Oper/Worker
2012-10-24 Quartz, respirable, >1% Qtz 0.18 1.37 0.13 Crusher Oper/Worker
2012-10-24 Quartz, respirable, >1% Qtz 0.12 0.85 0.14 Front-end Loader Operator
2009-04-22 Respirable dust, <.1mg 0 Crusher Oper/Worker
2004-11-30 Quartz, respirable, >1% Qtz 0.12 0.78 0.15 Crusher Oper/Worker
2004-11-30 Quartz, respirable, >1% Qtz 0.18 1.15 0.16 Crusher Oper/Worker
2003-11-18 Quartz, respirable, >1% Qtz 0.16 1.14 0.14 Crusher Oper/Worker
2003-11-18 Quartz, respirable, >1% Qtz 0.16 0.65 0.25 Crusher Oper/Worker
2002-07-02 Respirable dust, <.1mg 0 Crusher Oper/Worker
2002-07-02 Quartz, respirable, >1% Qtz 0.13 0.68 0.19 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.
Ownership history
  1. Knife River Corporation North Central 1996 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Year Employees
2026 4
2025 4
2024 4
2023 4
2022 4
2021 4
2020 4
2019 3
2018 3
2017 4
2016 3
2015 4
2014 3
2013 3
2012 4
2011 2
2010 2
2009 3
2008 3
2007 3
2006 3
2005 5
2004 5
2003 5
2002 3
2001 3
2000 4
Source: MSHA quarterly employment and production, updated weekly.

513497 sits in Benton County, Minnesota, where the Census mining category is 0.1% 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.
Benton County, Minnesota · Population 41,458
0.1%
Mining share of county employment
$71,480
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 1,609 0 0 0.0
2026 Q1 98 0 0 0.0
2025 Q4 961 0 0 0.0
2025 Q3 2,377 0 0 0.0
2025 Q2 1,691 0 0 0.0
2025 Q1 121 0 0 0.0
2024 Q4 2,401 0 0 0.0
2024 Q3 2,377 0 0 0.0
Show 97 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2024 Q2 3,120 0 0 0.0
2024 Q1 1 0 0 0.0
2023 Q4 1,681 0 0 0.0
2023 Q3 2,341 0 0 0.0
2023 Q2 3,121 0 0 0.0
2023 Q1 261 0 0 0.0
2022 Q4 1,671 0 0 0.0
2022 Q3 544 0 0 0.0
2022 Q2 1,975 0 0 0.0
2022 Q1 121 0 0 0.0
2021 Q4 309 0 0 0.0
2021 Q3 521 0 0 0.0
2021 Q2 357 0 0 0.0
2021 Q1 91 0 0 0.0
2020 Q4 350 0 0 0.0
2020 Q3 378 0 0 0.0
2020 Q2 496 1 0 2016.1
2020 Q1 37 0 0 0.0
2019 Q4 341 0 0 0.0
2019 Q3 397 0 0 0.0
2019 Q2 486 0 0 0.0
2019 Q1 1 0 0 0.0
2018 Q4 253 0 0 0.0
2018 Q3 407 0 0 0.0
2018 Q2 386 0 0 0.0
2018 Q1 1 0 0 0.0
2017 Q4 408 0 0 0.0
2017 Q3 547 0 0 0.0
2017 Q2 641 1 0 1560.1
2017 Q1 77 0 0 0.0
2016 Q4 355 0 0 0.0
2016 Q3 415 2 0 4819.3
2016 Q2 689 0 0 0.0
2016 Q1 1 0 0 0.0
2015 Q4 337 0 0 0.0
2015 Q3 567 3 1 5291.0
2015 Q2 594 0 0 0.0
2015 Q1 76 0 0 0.0
2014 Q4 722 0 0 0.0
2014 Q3 862 0 0 0.0
2014 Q2 523 0 0 0.0
2014 Q1 1 0 0 0.0
2013 Q4 474 1 0 2109.7
2013 Q3 1,144 0 0 0.0
2013 Q2 485 0 0 0.0
2013 Q1 1 0 0 0.0
2012 Q4 1,931 1 0 517.9
2012 Q3 2,322 0 0 0.0
2012 Q2 733 0 0 0.0
2012 Q1 60 0 0 0.0
2011 Q4 1,214 2 0 1647.4
2011 Q3 1,034 0 0 0.0
2011 Q2 1,160 0 0 0.0
2011 Q1 0 0 0
2010 Q4 373 0 0 0.0
2010 Q3 654 3 1 4587.2
2010 Q2 444 0 0 0.0
2010 Q1 0 0 0
2009 Q4 109 0 0 0.0
2009 Q3 2,786 3 1 1076.8
2009 Q2 1,041 5 0 4803.1
2009 Q1 0 0 0
2008 Q4 67 0 0 0.0
2008 Q3 967 1 0 1034.1
2008 Q2 187 0 0 0.0
2008 Q1 0 0 0
2007 Q4 441 0 0 0.0
2007 Q3 771 0 0 0.0
2007 Q2 668 0 0 0.0
2007 Q1 0 0 0
2006 Q4 566 0 0 0.0
2006 Q3 1,155 0 0 0.0
2006 Q2 1,098 0 0 0.0
2006 Q1 12 0 0 0.0
2005 Q4 1,175 1 1 851.1
2005 Q3 1,170 0 0 0.0
2005 Q1 20 0 0 0.0
2004 Q4 1,038 0 0 0.0
2004 Q3 1,100 0 0 0.0
2004 Q2 856 0 0 0.0
2004 Q1 18 0 0 0.0
2003 Q4 1,047 0 0 0.0
2003 Q3 1,102 0 0 0.0
2003 Q2 966 0 0 0.0
2003 Q1 0 0 0
2002 Q4 842 0 0 0.0
2002 Q3 1,098 0 0 0.0
2002 Q2 1,137 0 0 0.0
2002 Q1 0 0 0
2001 Q4 1,011 0 0 0.0
2001 Q3 1,235 0 0 0.0
2001 Q2 752 0 0 0.0
2001 Q1 0 0 0
2000 Q4 553 2 1 3616.6
2000 Q3 1,128 0 0 0.0
2000 Q2 1,116 0 0 0.0
2000 Q1 177 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

3 on file

2026 · 1 incident

April 23, 2026 MN · Metal/Non-Metal crusher attendant/operator, pan feeder operator/worker HANDTOOLS (NONPOWERED)
Knife River Corporation North Central · Struck by... (Not Elsewhere Classified)

Cutting 4 inch water hose with multi tool, tool slipped and cut hand through glove. Leaving roughly a 1 inch cut.

2009 · 1 incident

July 10, 2009 MN · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
Knife River Corporation North Central · Struck by falling object

4000 cone was packed tight with crused rock. EE entered from underneath cone to free material, when material came down on top of EE. He was smothered and confined for one hour til he was released.

2002 · 1 incident