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Knife River Portable Plant SD-1 Metal/Non-Metal

Knife River - South Dakota · Surface

Controlled by Knife River Corporation

Sioux Falls, Minnehaha County, SD  ·  Active

MSHA Mine ID: 3900292

Knife River Portable Plant SD-1 has $1K in proposed MSHA penalties and $0 outstanding across 2 contested dockets, plus health sampling and the full incident record.

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Fatalities

0

Total incidents

3

Years on record

1992–2005

Latest incident

Aug 2005

Compliance record

MSHA citations since 2001

10

citations

1

significant & substantial

$1,139

proposed penalties

$1,454

paid to date

128% of proposed penalties paid to date, a $0 gap.

Source: MSHA violations data, updated weekly.

Inspection activity

MSHA inspections since 2000

32

inspections on record

318

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

Source: MSHA inspections data, updated weekly.

Knife River Portable Plant SD-1 has $1K in proposed MSHA penalties and $0 outstanding across 2 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

10 assessments are final orders; 2 contested dockets.

As of the most recent assessment on 2019-01-17.

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	1,779	0	0	0.0
2025 Q3	3,283	0	0	0.0
2025 Q2	3,122	0	0	0.0
2025 Q1	1,518	0	0	0.0
2024 Q4	2,481	0	0	0.0
2024 Q3	2,208	0	0	0.0
2024 Q2	2,053	0	0	0.0
2023 Q4	2,166	0	0	0.0

Show 82 earlier quarters Hide earlier quarters

Quarter	Hours worked	Citations	S&S	Per 1M hrs
2023 Q3	2,403	0	0	0.0
2023 Q2	2,892	0	0	0.0
2023 Q1	556	0	0	0.0
2022 Q4	1,755	0	0	0.0
2022 Q3	2,672	0	0	0.0
2022 Q2	3,170	0	0	0.0
2022 Q1	1,777	0	0	0.0
2021 Q4	3,034	0	0	0.0
2021 Q3	3,528	0	0	0.0
2021 Q2	3,250	0	0	0.0
2021 Q1	637	0	0	0.0
2020 Q4	2,633	0	0	0.0
2020 Q3	3,541	0	0	0.0
2020 Q2	3,932	0	0	0.0
2020 Q1	1,181	0	0	0.0
2019 Q4	2,170	0	0	0.0
2019 Q3	4,307	0	0	0.0
2019 Q2	3,779	0	0	0.0
2019 Q1	1,395	1	0	716.8
2018 Q4	1,793	0	0	0.0
2018 Q3	2,995	0	0	0.0
2018 Q2	2,475	0	0	0.0
2018 Q1	1,151	1	0	868.8
2017 Q4	1,545	0	0	0.0
2017 Q3	2,081	0	0	0.0
2017 Q2	1,300	0	0	0.0
2013 Q4	0	0	0
2013 Q3	0	0	0
2013 Q2	0	0	0
2013 Q1	0	0	0
2012 Q4	1,214	0	0	0.0
2012 Q3	2,206	0	0	0.0
2012 Q2	1,679	0	0	0.0
2012 Q1	1,065	0	0	0.0
2011 Q4	819	0	0	0.0
2011 Q3	1,014	0	0	0.0
2011 Q2	1,381	0	0	0.0
2011 Q1	524	2	0	3816.8
2010 Q4	1,015	0	0	0.0
2010 Q3	1,629	0	0	0.0
2010 Q2	1,770	4	1	2259.9
2010 Q1	1,066	0	0	0.0
2009 Q4	1,308	0	0	0.0
2009 Q3	1,930	0	0	0.0
2009 Q2	1,760	0	0	0.0
2009 Q1	1,006	0	0	0.0
2008 Q4	1,723	0	0	0.0
2008 Q3	2,402	0	0	0.0
2008 Q2	1,447	0	0	0.0
2008 Q1	860	0	0	0.0
2007 Q4	1,552	0	0	0.0
2007 Q3	1,731	0	0	0.0
2007 Q2	1,452	0	0	0.0
2007 Q1	731	0	0	0.0
2006 Q4	1,071	0	0	0.0
2006 Q3	1,879	0	0	0.0
2006 Q2	1,735	1	0	576.4
2006 Q1	1,321	0	0	0.0
2005 Q4	1,722	0	0	0.0
2005 Q3	1,851	0	0	0.0
2005 Q2	1,774	0	0	0.0
2005 Q1	1,500	0	0	0.0
2004 Q4	1,861	0	0	0.0
2004 Q3	1,902	0	0	0.0
2004 Q2	1,845	0	0	0.0
2004 Q1	1,190	0	0	0.0
2003 Q4	1,556	0	0	0.0
2003 Q3	1,928	0	0	0.0
2003 Q2	1,741	0	0	0.0
2003 Q1	1,226	0	0	0.0
2002 Q4	1,532	0	0	0.0
2002 Q3	2,501	0	0	0.0
2002 Q2	1,902	0	0	0.0
2002 Q1	1,132	0	0	0.0
2001 Q4	1,813	1	0	551.6
2001 Q3	2,580	0	0	0.0
2001 Q2	1,880	0	0	0.0
2001 Q1	1,254	0	0	0.0
2000 Q4	1,186	0	0	0.0
2000 Q3	1,837	0	0	0.0
2000 Q2	1,433	0	0	0.0
2000 Q1	850	0	0	0.0

No fatalities recorded at this mine.

Reportable incidents

3 on file

2005 · 2 incidents

August 23, 2005 SD · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS

Knife River - South Dakota · Over-exertion in pulling or pushing objects

Pulling hose and fill tubes, hurt back.

July 5, 2005 SD · Metal/Non-Metal outside foreman, leadman MACHINERY

Knife River - South Dakota · Struck by falling object

Employee was removing the cutting edge bolts with an air wrench. One of the bolts dropped out of the sq. slot. He pushed the bolt back up into the sq slot-when he used the air wrench to remove the nut & bolt, nut & air wrench dropped. The head of the bolt dropped down out of the sq slot and cut through his glove and cut tip of left index finger.

1992 · 1 incident

May 21, 1992 SD · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON

Knife River - South Dakota · Caught in, under or between (Not Elsewhere Classified)

EMPL GETTING UP FROM DESK,GOT FEET TANGLED IN TELEPHONE CORD AND FELL FORWARD ON BOTH KNEES.

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The full compliance file on Knife River Portable Plant SD-1

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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