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513497 Metal/Non-Metal

Knife River Corporation North Central · Surface

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.

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.

As of the most recent assessment on 2020-05-19.

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	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
2024 Q2	3,120	0	0	0.0
2024 Q1	1	0	0	0.0

Show 95 earlier quarters Hide earlier quarters

Quarter	Hours worked	Citations	S&S	Per 1M hrs
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

May 14, 2002 MN · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDTOOLS (NONPOWERED)

Knife River Corporation North Central · Struck by... (Not Elsewhere Classified)

CLEANING PULLEY OFF BAR SLIPPED AND HIT EE IN THE MOUTH.

For insurers, brokers, and safety consultants

The full compliance file on 513497

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.

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