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503990 Metal/Non-Metal

Knife River Corporation North Central · Surface

Controlled by Knife River Corporation

Harris, Chisago County, MN  ·  Intermittent

MSHA Mine ID: 2103086

503990 has $1K 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

2

Years on record

2004–2005

Latest incident

Sep 2005

Compliance record

MSHA citations since 2001

13

citations

3

significant & substantial

$1,309

proposed penalties

$1,309

paid to date

100% of proposed penalties paid to date, a $0 gap.

Source: MSHA violations data, updated weekly.

Inspection activity

MSHA inspections since 2001

37

inspections on record

266

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: 266 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.

Source: MSHA inspections data, updated weekly.

503990 has $1K 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.

$1K

proposed penalties

$1K

current assessed

$1K

paid to date

$0

outstanding

13 assessments are final orders; 1 contested dockets.

As of the most recent assessment on 2017-07-21.

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	361	0	0	0.0
2025 Q3	793	0	0	0.0
2025 Q2	846	0	0	0.0
2025 Q1	1	0	0	0.0
2024 Q4	361	0	0	0.0
2024 Q3	1,585	0	0	0.0
2024 Q2	2,340	0	0	0.0
2024 Q1	1	0	0	0.0

Show 96 earlier quarters Hide earlier quarters

Quarter	Hours worked	Citations	S&S	Per 1M hrs
2023 Q4	553	0	0	0.0
2023 Q3	1,561	0	0	0.0
2023 Q2	781	0	0	0.0
2023 Q1	1	0	0	0.0
2022 Q4	294	0	0	0.0
2022 Q3	221	0	0	0.0
2022 Q2	2,706	0	0	0.0
2022 Q1	1	0	0	0.0
2021 Q4	135	0	0	0.0
2021 Q3	270	0	0	0.0
2021 Q2	339	0	0	0.0
2021 Q1	61	0	0	0.0
2020 Q4	76	0	0	0.0
2020 Q3	313	0	0	0.0
2020 Q2	308	0	0	0.0
2020 Q1	13	0	0	0.0
2019 Q4	86	0	0	0.0
2019 Q3	247	0	0	0.0
2019 Q2	198	0	0	0.0
2019 Q1	1	0	0	0.0
2018 Q4	65	0	0	0.0
2018 Q3	143	0	0	0.0
2018 Q2	185	0	0	0.0
2018 Q1	1	0	0	0.0
2017 Q4	109	0	0	0.0
2017 Q3	240	1	1	4166.7
2017 Q2	71	0	0	0.0
2017 Q1	1	0	0	0.0
2016 Q4	15	0	0	0.0
2016 Q3	144	1	0	6944.4
2016 Q2	176	0	0	0.0
2016 Q1	1	0	0	0.0
2015 Q4	83	0	0	0.0
2015 Q3	247	0	0	0.0
2015 Q2	199	0	0	0.0
2015 Q1	1	0	0	0.0
2014 Q4	106	0	0	0.0
2014 Q3	144	0	0	0.0
2014 Q2	72	0	0	0.0
2014 Q1	1	0	0	0.0
2013 Q4	84	0	0	0.0
2013 Q3	146	0	0	0.0
2013 Q2	29	0	0	0.0
2013 Q1	1	0	0	0.0
2012 Q4	192	2	1	10416.7
2012 Q3	173	0	0	0.0
2012 Q2	392	0	0	0.0
2012 Q1	0	0	0
2011 Q4	380	0	0	0.0
2011 Q3	754	0	0	0.0
2011 Q2	392	0	0	0.0
2011 Q1	0	0	0
2010 Q4	197	0	0	0.0
2010 Q3	450	0	0	0.0
2010 Q2	26	1	0	38461.5
2010 Q1	0	0	0
2009 Q4	0	0	0
2009 Q3	112	0	0	0.0
2009 Q2	132	0	0	0.0
2009 Q1	0	0	0
2008 Q4	53	0	0	0.0
2008 Q3	110	0	0	0.0
2008 Q2	105	0	0	0.0
2008 Q1	0	0	0
2007 Q4	235	3	0	12766.0
2007 Q3	225	0	0	0.0
2007 Q2	547	0	0	0.0
2007 Q1	0	0	0
2006 Q4	451	0	0	0.0
2006 Q3	992	0	0	0.0
2006 Q2	1,075	0	0	0.0
2006 Q1	237	0	0	0.0
2005 Q4	523	0	0	0.0
2005 Q3	518	0	0	0.0
2005 Q2	123	0	0	0.0
2005 Q1	17	0	0	0.0
2004 Q4	592	0	0	0.0
2004 Q3	679	0	0	0.0
2004 Q2	755	0	0	0.0
2004 Q1	18	0	0	0.0
2003 Q4	329	1	0	3039.5
2003 Q3	352	0	0	0.0
2003 Q2	366	0	0	0.0
2003 Q1	0	0	0
2002 Q4	446	1	1	2242.2
2002 Q3	820	0	0	0.0
2002 Q2	806	2	0	2481.4
2002 Q1	0	0	0
2001 Q4	532	0	0	0.0
2001 Q3	626	0	0	0.0
2001 Q2	423	1	0	2364.1
2001 Q1	0	0	0
2000 Q4	185	0	0	0.0
2000 Q3	835	0	0	0.0
2000 Q2	871	0	0	0.0
2000 Q1	0	0	0

No fatalities recorded at this mine.

Reportable incidents

2 on file

2005 · 1 incident

September 7, 2005 MN · Metal/Non-Metal pumper HANDLING OF MATERIALS

Knife River Corporation North Central · Over-exertion in lifting objects

SHOVELING ROCK SPILLAGE FROM CATWALK ON WASH PLANT - BACK "POPPED" AND CAUSED PAIN.

2004 · 1 incident

October 1, 2004 MN · Metal/Non-Metal tipple/top lander/skip dumper operator, binman, topman SLIP OR FALL OF PERSON

Knife River Corporation North Central · Fall from machine

EE was coming down ladder of wash plant. it was dark and raining. needed a flashlight. left foot slippe doff step rung. ee caught himself with his arms and then left sharp pain in back.

For insurers, brokers, and safety consultants

The full compliance file on 503990

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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